Teradek Prism Rack v1 (853/873)

Teradek Prism Rack v1 (853/873) firmware

Teradek · Prism Rack v1 (853/873) · Video

Latest firmware for the Teradek Prism Rack v1 (853/873) is v2.25.20261021 (October 21, 2026).

Prism Rack v1 (853/873) firmware changelog

  1. New v2.25.20260924 v2.25.20261021

  2. v2.25.20260526 v2.25.20260924 Scene Change Detection added to encoder settings; fixes connection and modem issues.

  3. v2.25 v2.25.20260526

  4. v2.24.20260106 v2.25

  5. v2.24 v2.24.20260106

  6. v2.23.20250722 v2.24

  7. v2.23 v2.23.20250722

  8. v2.22.20241202 v2.23

  9. v2.22 v2.22.20241202

  10. v2.21 v2.22

Firmware history

  1. Version 2.25.20261021 Latest Released Oct 21, 2026 First seen Oct 22, 2026
    Show release notes

    Teradek Prism Firmw​are Version 2.25.20261021

    New Features

    • None

    Changes and

    Improvements

    • Updated Teradek Priority Data multi-carrier support -- Verizon was not working
    • Decoder MPEG-TS ​and SRT stats are now always displayed in the same order

    Bug Fixes

    • Decoder status could indicate decoding when idle
    Release notes & download
  2. Version 2.25.20260924 Released Sep 24, 2026 First seen Oct 1, 2026

    Scene Change Detection added to encoder settings; fixes connection and modem issues. — summary by updatemystuff.com

    Show release notes

    Teradek Prism Firmware Version 2.25.20260924

    Ne​w Features

    • Added 'Scene Change Detection' option to encoder settings - when enabled, encoder can dynamically insert i frames, this was always enabled in previous firmware

    Changes and

    Improvements

    • None

    Bug Fixe​s

    • Core control/status connection did not always reconnect after network interruptions
    • Node II modems could take a long time to connect, or would never connect in some cases
    Release notes & download
  3. Version 2.25.20260526 Released Jun 3, 2026 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.25.20260526

    New Features

    • Added controls for starting/stopping all Core and Cloud linked streams from the device

    Changes and

    Improvements

    • Added su​pport for RTMP App name in ingest URLs
    • Keep ordering consistent when exporting user settings
    • Added license information to exported settings

    Bug Fixes

    • Teradek Bond stream over UDP did not work with Prism Rack cards if one Ethernet was left disconnected
    • Fixed issues with Multi-track audio - track assignments were incorrect and audio could be distorted
    • Devices could not connect to Core on some networks
    • Network priority labels were incorrect for Prism rack devices
    • Hyperion decoder could not ingest SRT streams
    • SRT and MPEG-TS streams did not work as outputs for Hyperion decoder
    • RTMP and RTSP streams into Hyperion decoder didn't recover after restart
    • Fixed RTSP stream metadata
    • Some output stream modes did not work with IP stream as an input
    • Modems did not connect when used with Teradek Data set to Carrier Lock mode
    Release notes & download
  4. Version 2.25 Released Mar 25, 2026 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.25

    New Features

    • Added REST Settings API, includes the following:
    • Full stream configuration, status, and control
    • Encoder configuration
    • Recording control
    • Endpoint for users to request high/adjustable quality snapshot images
    • SCTE message insertion
    • OAuth authentication
    • Documenta​tion at teradekdev.com
    • Added additional interface priority and bandwidth limit options for UDP protocol Teradek Cloud/Bonded streaming
    • Added failover/backup ingest stream option for decoders
    • Added device configuration import/export functionality
    • Allow users to configure chunks/chunk duration to HLS and DASH in WebUi
    • Allow users to configure web UI session timeout or disable it
    • Added Battery status notifications
    • Added Settings Sync API to push configuration directly to LAN devices
    • Added start/stop controls to WHIP on encoder
    • Added option to upgrade device using a firmware image URL
    • Added Low Power Mode Status/Indicator to front panel for Jetpack
    • Added stream controls for all stream modes that support them to Jetpack monitor

    Changes and

    Improvements

    • Removed license requirement for IP stream as an input
    • All Modems can now be upgraded at the same time
    • Added caching for encoder/return video web UI snapshot so there's no loading screen when switching statuses
    • Auto packet size option for MPEG-TS is now aware of Interface MTU settings, adjusts accordingly
    • Improve decoder bitrate graph accuracy, re​duced 'spikiness'
    • WebUI displays if discovered wifi networks are 5GHz or 2.4GHz
    • Changed Return Video default setting to "Disabled"
    • Added per audio/video track MPEG-TS PID settings
    • Added DASH stream cache control headers to webserver

    Bug Fixes

    • Fixed some intermittent Core API connection stability issues
    • 5.1 and 7.1 audio channel modes were not initialized correctly
    • Fixed network routing initialization to better support multi-VLAN environments
    • Some system utilities would restart periodically when connected to a network with no internet connection
    • RTMP reconnect did not work if RTMP server endpoint was restarted
    • Fixed file duration display for segmented recordings
    • SDI output signal could flicker intermittently when used with some monitors/video switchers
    • Mac-generated PNGs could not be uploaded to Prism for use with pattern generator
    • Some SIMs would not connect automatically without manually adding APN configuration
    • Start/stop broadcast option was not shown on the front panel
    • WHEP stream web player did not play audio
    Release notes & download
  5. Version 2.24.20260106 Released Jan 9, 2026 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Fi​rmware Version 2.24.20260106

    New Features

    • None

    Changes and

    Improvements

    • Updated expired self-signed SSL certificate

    Bug Fixes

    • Teradek Data SIMs cou​ld not connect to some European carriers in Auto mode
    Release notes & download
  6. Version 2.24 Released Oct 15, 2025 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.24

    New Features

    • Added USB audio input support
    • Added support for IP streams as an input source for Prism encoders (Beta, requires license)
    • Added 'Start all' streams button for Prism with Multi-stream license
    • Added real time file upload support for Core, S3 file sync
    • Added selection between Sequential and Parallel file uploads for Frame.io

    Changes and

    Improvements

    • Added read permissions for all groups/users to recorded files
    • Improved Prism web UI mobile compatibility
    • Allow users to disable web UI access on Wired 2 interface
    • Band selection for custom modem configuration is saved when switching be​tween Auto & Custom
    • Improved network uplink detection when connectivity is poor
    • Added support for throttling of status information between devices and Core
    • Added support for hostname registration via DHCP
    • Changed license-activated Decoder Configuration menu label to Return Video
    • Added enable/disable toggle for return video decoder
    • Changed DPI (SCTE 104/35), Splice Type label to Network Event
    • Enter key now works to apply EAP network settings
    • System processes are restarted if a firmware upgrade is interrupted or fails before reboot

    Bug Fixes

    • Unplugging ethernet cable could disrupt other active network connections
    • Disabling return video decoder on encoder could corrupt encoding and spike bitrate
    • Presets export function was not working, exported files could not be imported
    • Mac-generated PNGs could not be uploaded to use with Pattern Generator or OSD
    • RTMPS authentication did not work with some streaming servers
    • Facebook broadcasts would remain live after clicking Stop Broadcast
    • Wowza Cloud server would stop when Prism stopped streaming to​ it
    • HEVC MP4s did not work in some players - Changed HEVC Codec ID header to hvc1 instead of hev1
    • SD card could not be accessed if formatting was done too soon before recordings were started
    • Upload entries were duplicated on Frame.io for files recorded while offline
    • Recording utility could restart when uploading multiple files simultaneously
    • In progress recording uploads could not be manually stopped
    • Corrupt recordings could prevent media information from loading
    • Disabling the Core file sync toggle would stop recordings
    • File browser did not display files mounted via NFS correctly, files could not be downloaded
    • NFS drives sometimes failed to unmount
    • Codec restarted when attempting to record to offline NFS drive
    • Recorded files had no audio track when Audio codec was set to AC3
    • 877 Analog audio volume slider did not work
    • Diagnostics report did not contain 'defaults' file
    • PAP SIM authentication did not work for some carriers
    Release notes & download
  7. Version 2.23.20250722 Released Jul 24, 2025 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.23.20250722

    2.23.20250722 Changes

    • Improved C2C file upload reliability over slow internet connections
    • Fixed issue that caused Core connections to fail for some accounts
    • Encoder did not start correctly when multi-track audio was enabled

    New Features

    • Added failover test pattern generator for Next Gen codec mode
    • Added OpenVPN Server on Decoder for DHCP bridging to remote encoders
    • Enabled HEVC Support for manual RTMP streaming, YouTube
    • Added SCTE 104/35 support to encoder and decoder (Additional license required)
    • Added ability to manually upload files to Core and Frame.io
    • Added cust​omizable uplink checking
    • Added setting to device to force VUER and TTV apps to display watermarks
    • Added interface selection to web UI for MPEG-TS decoder config
    • Users can now select which audio track to use in an RTMP stream
    • Added audio only options for Secondary RTMP Streams
    • Added button to reset streaming stats on the decoder for SRT / RTP
    • Added Ethernet Link Speed selection
    • Users can to select Core Share sources via decoder Front panel

    Changes and

    Improvements

    • Removed Standard encoder mode, device settings will be migrated when upgrading from 2.22 or earlier
    • Restored decoder network interface selection
    • Added URLs for SDP file downloads for RTP Push stream mode
    • Added device host name/serial number to login page
    • Added Core Comms to Prism Mobile Vertical Menu
    • Front panel record indicator now blinks when recording
    • Greatly improved file upload robustness when connectivity is lost or slow
    • Added user notification if Frame.io authorization fails
    • Allow user to configure camera type (for fan control) without recording enabled
    • Interval recording suffix number now increases beyond the configured max files number
    • Node Band Selection options are all enabled by default
    • Added reference guide link to Prism web UI
    • Disabled device history feature
    • SRT/MPEG-TS stream stability improvements

    Bug Fixes

    • Core file sync and Frame.io C2C uploads could fail if the network uplink changed while uploads were in process
    • Decoder SDI metadata was not initialized on startup
    • 877 Cards did not detect HDMI backplate/source
    • RTMP auto-reconnect did not work if the server terminated the connection
    • Manually Adding Wi-Fi networks failed due to an invalid password message
    • Connecting to WPA Enterprise networks from web UI when switching directly from AP mode didn't work
    • Overlay​ editor did not show video preview as background
    • Overlay editor did not display previously configured overlays
    • Right status column showed Audio Track 0 for all Audio Tracks
    • Web UI was causing increased browser memory usage
    • Web Interface reloaded unnecessarily after connecting to OpenVPN server
    • Cloud accounts were displayed as connected even if devices could not connect
    • Decoder audio mapping changes didn't take effect until the codec restarted
    • Decoder overlays were not shown in some configurations
    • Ethernet was not initialized correctly when connecting to non-gigabit ethernet equipment
    • Modem Diagnostic Reports were not being created correctly
    • Hyperion Ingest could not be configured/selected
    • Prism Flex decoder serial number and product info was not shown
    Release notes & download
  8. Version 2.23 Released Jun 30, 2025 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.23

    New Features

    • Added failover test pattern generator for Next Gen codec mode
    • Added OpenVPN Server on Decoder for DHCP bridging to remote encoders
    • Enabled HEVC Support for manual RTMP streaming, YouTube
    • Added SCTE 104/35 support to encoder and decoder (Additional license required)
    • Added ability to manually upload files to Core and Frame.io
    • Added customizable uplink checking
    • Added setting to device to force VUER and TTV apps to display watermarks
    • Added interface selection to web UI for MPEG-TS decoder config
    • Users can now select which audio track to use in an RTMP stream
    • Added audi​o only options for Secondary RTMP Streams
    • Added button to reset streaming stats on the decoder for SRT / RTP
    • Added Ethernet Link Speed selection
    • Users can to select Core Share sources via decoder Front panel

    Changes and

    Improvements

    • Removed Standard encoder mode, device settings will be migrated when upgrading from 2.22 or earlier
    • Restored decoder network interface selection
    • Added URLs for SDP file downloads for RTP Push stream mode
    • Added device host name/serial number to login page
    • Added Core Comms to Prism Mobile Vertical Menu
    • Front panel record indicator now blinks when recording
    • Greatly improved file upload robustness when connectivity is lost or slow
    • Added user notification if Frame.io authorization fails
    • Allow user to configure camera type (for fan control) without recording enabled
    • Interval recording suffix number now increases beyond the configured max files number
    • Node Band Selection options are all enabled by default
    • Added reference guide link to Prism web UI
    • Disabled device history feature
    • SRT/MPEG-TS stream stability improvements

    Bug Fixes

    • Core file sync and Frame.io C2C uploads could fail if the network uplink changed while uploads were in process
    • Decoder SDI metadata was not initialized on startup
    • 877 Cards did not detect HDMI backplate/source
    • RTMP auto-reconnect did not work if the server terminated the connection
    • Manually Adding Wi-Fi networks failed due to an invalid password message
    • Conn​ecting to WPA Enterprise networks from web UI when switching directly from AP mode didn't work
    • Overlay editor did not show video preview as background
    • Overlay editor did not display previously configured overlays
    • Right status column showed Audio Track 0 for all Audio Tracks
    • Web UI was causing increased browser memory usage
    • Web Interface reloaded unnecessarily after connecting to OpenVPN server
    • Cloud accounts were displayed as connected even if devices could not connect
    • Decoder audio mapping changes didn't take effect until the codec restarted
    • Decoder overlays were not shown in some configurations
    • Ethernet was not initialized correctly when connecting to non-gigabit ethernet equipment
    • Modem Diagnostic Reports were not being created correctly
    • Hyperion Ingest could not be configured/selected
    • Prism Flex decoder serial number and product info was not shown
    Release notes & download
  9. Version 2.22.20241202 Released Dec 5, 2024 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.22.20241202

    New Features

    • None

    Changes and

    Improvements

    • Added selectable streaming interface to MPEG-TS, SRT ingest
    • Improved video codec recovery after interruptions
    • Improved Wi-Fi connection stability, throughput

    Bug Fixes

    • Some video/codec status fixes
    • Audio settings sometimes failed to apply

    New Features - 2.22

    • Added 16 channel embedded audio support for SDI input
    • Added H.264 interlaced streaming support
    • Added B Frame support to decoders
    • Timecode can now be embedded into decoder SDI output
    • Added closed captions Support on Next Gen decoder
    • Added WebRTC support to encoder and decoder
    • Added auto join call toggle for Core Comms
    • Users can now set Stream names, visible in web menu navigation
    • Added MPEG 1-LAYER II audio option - BETA
    • Added AC3 audio codec support to encoders and decoders
    • Added full device configuration to front panel for devices with 5-way joysticks
    • Added WPA Enterprise WiFi Support
    • Added support for multiple DNS servers in DHCP and static IP modes
    • Added Hotspot functionality to second Ethernet interface
    • Added OpenVPN Client to Prism encoders/decoders
    • OpenVPN network configuration can be used to provide VPN access to hotspot-connected devices
    • Added File sync for Teradek TV
    • Added support for syncing device diagnostics with Core for quicker support
    • Added ​auto-start support for RTMP streaming in Next Gen encoder mode

    Changes and Improvements - 2.22

    • Updated web UI design and reorganized configuration pages to improve usability
    • Added a default web UI password and disabled auto-login
    • See https://guide.teradek.com/a/1530201-power-and-connect#access-the-web-ui for details
    • Changed default codec mode to Next Gen
    • Changed default deinterlacer mode to Progressive for Next Gen encoder mode
    • Improved video encoding quality in Next Gen encoder mode
    • Improved decoder compatibility with streams from 3rd party encoders
    • Strong passwords are required when changing web UI password
    • Strong passwords are required for stream auth passwords
    • Improved multi-track audio UX for encoders and decoders
    • Stream presets can now be created directly from the streaming page
    • Core file sync setting is preserved when logging out and back into Core
    • USB headset can now be used with Prism Mobile Backpack w/6 modems
    • Added Encryption and password protection to diagnostics reports
    • Added "defaults" item to diagnostic report showing all changed values from factory defaults
    • Rearranged System Setings page and split into two sub-pages - Settings & Maintenance
    • Added rate limiting for failed login attempts
    • Added inactive/idle session timeout to web UI
    • Added support for CSRF tokens
    • Added access control to diagnostic file downloads
    • Updated web server version
    • Improved closed caption stream compatibility with third party platforms
    • Removed obsolete publish_to_groups permission from Facebook API
    • Added stream stats to extra streams 2-5 when multiple stream license is installed
    • Removed rackmount Prism password syncing
    • Removed Dash HLS from decoder
    • Removed Accounts page
    • Removed custom bitrate Selection from audio
    • HTTPS must be enabled before uploading certificates
    • Removed audio only, video only record file types
    • Added option to disable vertical status display
    • Prism Mobile: show Modem C (USB) & D (Lemo) in OLED when connected
    • Changed encryption key size format from bytes to bits

    Bug Fixes - 2.22

    • Next Gen Codec mode
    • Fixed issues with recorded file timebase
    • Prism rack mount analog audio in/out did not work
    • Clicking the mute button removed audio settings from the web UI
    • Fixed long term stream stabi​lity issues
    • Alexa 35 Recordings used previous clip name
    • Sony record triggers did not start recording
    • Interlaced AVC streams were detected as 1080p by 3rd party decoders
    • Decoder would restart occasionally when when ingesting interlaced stream
    • Fixed decoder file playback compatibility issues
    • Decoder could not decode UDP-TS video if another stream is present on the same port
    • Decoder didn't work with interlaced H.264 streams from Cube 6xx/Slice 6xx products
    • Analog audio selection was not applied after switching from embedded to analog
    • WiFi could disconnect/reconnect occasionally on some networks
    • TRT encryption key size was always 16 bytes, ignored 24/32 byte configuration
    • SRT decoder attempted to reconnect every 30ms when encyption was set incorrectly
    • If track 1 is disabled when Enabling Multitrack Audio, other tracks were not transmitted
    • Fixed handling for broadcast start when no uplink is present - users can now retry
    • Decoder would restart unnecessarily when left idle
    • Core Comms join call operation sometimes failed on initial connection
    • Continuous recording uploads did not work with FAT32 formatted media
    • When recordings are split at 4GB only the last segmant was uploaded
    • Headphone loopback was muted when audio input is set to analog
    • Web browser memory usage increased over time with Web UI open
    • Event history sometimes failed to populate
    • Fixed recorded file playback in web UI
    • Twitch authorization failed
    • Node 5G-SW: For Verizon SIM, Sierra Wireless was using the default APN instead of custom APN
    • eSIM modem configuration "Auto" did not work
    Release notes & download
  10. Version 2.22 Released Nov 21, 2024 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.22

    New Features

    • Added 16 channel embedded audio support for SDI input
    • Added H.264 interlaced streaming support
    • Added B Frame support to decoders
    • Timecode can now be embedded into decoder SDI output
    • Added closed captions​ Support on Next Gen decoder
    • Added WebRTC support to encoder and decoder
    • Added auto join call toggle for Core Comms
    • Users can now set Stream names, visible in web menu navigation
    • Added MPEG 1-LAYER II audio option - BETA
    • Added AC3 audio codec support to encoders and decoders
    • Added full device configuration to front panel for devices with 5-way joysticks
    • Added WPA Enterprise WiFi Support
    • Added support for multiple DNS servers in DHCP and static IP modes
    • Added Hotspot functionality to second Ethernet interface
    • Added OpenVPN Client to Prism encoders/decoders
    • OpenVPN network configuration can be used to provide VPN access to hotspot-connected devices
    • Added File sync for Teradek TV
    • Added support for syncing device diagnostics with Core for quicker support
    • Added auto-start support for RTMP streaming in Next Gen encoder mode

    Changes and

    Improvements

    • Updated web UI design and reorganized configuration pages to improve usability
    • Added a default web UI password and disabled auto-login
    • See https://guide.teradek.com/a/1530201-power-and-connect#access-the-web-ui for details
    • Changed default codec mode to Next Gen
    • Changed default deinterlacer mode to Progressive for Next Gen encoder mode
    • Improved video encoding quality in Next Gen encoder mode
    • Improved decoder compatibility with streams from 3rd party encoders
    • Strong passwords are required when changing web UI password
    • Strong passwords are required for stream auth passwords
    • Improved multi-track audio UX for encoders and decoders
    • Stream presets can now be created directly from the streaming page
    • Core file sync setting is preserved when logging out and back into Core
    • USB headset can now be used with Prism Mobile Backpack w/6 modems
    • Added Encryption and password protection to diagnostics reports
    • Added "defaults" item to diagnostic report showing all changed values from factory defaults
    • Rearranged System Setings page and split into two sub-pages - Settings & Maintenance
    • Added rate limiting for failed login attempts
    • Added inactive/idle session timeout to web UI
    • Added support for CSRF tokens
    • Added access control to diagnostic file downloads
    • Updated web server version
    • Improved closed caption stream compatibility with third party platforms
    • Removed obsolete publish_to_groups permission from Facebook API
    • Added stream stats to extra streams 2-5 when multiple stream license is installed
    • Removed rackmount Prism password syncing
    • Removed Dash HLS from decoder
    • Removed Accounts page
    • Removed custom bitrate Selection from audio
    • HTTPS must be enabled before uploading certificates
    • Removed audio only, video only record file types
    • Added option to disable vertical status display
    • Prism Mobile: show Modem C ​(USB) & D (Lemo) in OLED when connected
    • Changed encryption key size format from bytes to bits

    Bug Fixes

    • Next Gen Codec mode
    • Fixed issues with recorded file timebase
    • Prism rack mount analog audio in/out did not work
    • Clicking the mute button removed audio settings from the web UI
    • Fixed long term stream stability issues
    • Alexa 35 Recordings used previous clip name
    • Sony record triggers did not start recording
    • Interlaced AVC streams were detected as 1080p by 3rd party decoders
    • Decoder would restart occasionally when when ingesting interlaced stream
    • Fixed decoder file playback compatibility issues
    • Decoder could not decode UDP-TS video if another stream is present on the same port
    • Decoder didn't work with interlaced H.264 streams from Cube 6xx/Slice 6xx products
    • Analog audio selection was not applied after switching from embedded to analog
    • WiFi could disconnect/reconnect occasionally on some networks
    • TRT encryption key size was always 16 bytes, ignored 24/32 byte configuration
    • SRT decoder attempted to reconnect every 30ms when encyption was set incorrectly
    • If track 1 is disabled when Enabling Multitrack Audio, other tracks were not transmitted
    • Fixed handling for broadcast start when no uplink is present - users can now retry
    • Decoder would restart unnecessarily when left idle
    • Core Comms join call operation sometimes failed on initial connection
    • Continuous recording uploads did not work with FAT32 formatted media
    • When recordings are split at 4GB only the last segmant was uploaded
    • Headphone loopback was muted when audio input is set to analog
    • Web browser memory usage increased over time with Web UI open
    • Event history sometimes failed to populate
    • Fixed recorded file playback in web UI
    • Twitch authorization failed
    • Node 5G-SW: For Verizon SIM, Sierra Wireless was using the default APN instead of custom APN
    • eSIM modem configuration "Auto" did not work
    Release notes & download
  11. Version 2.21 Released Aug 16, 2024 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.21

    New Features

    • WiFi Hotspot is now available -- Wi-Fi can be used to share device's Internet connectivity
    • Added option to enable sidecar metadata file with recordings in Standard codec mode
    • Added "AWS S3" Cloud Service for recording file upload sync
    • Next Gen Codec mde
    • Network interface can be manually selected for push streaming modes
    • Added configurable 5.1/7.1 audio encoding modes (HDMI/SMPTE/Film)
    • Added timecode option for recordings
    • Added loop recording option
    • Added multi-track audio support for encoder and decoder
    • Added WebRTC (WHEP and WHIP) stream mode
    • Added Dolby.io WebRTC support
    • Added FenixRTS WebRTC support
    • Added recording and playback support to decoders
    • Added DASH and HLS streaming support to decoders
    • Added date and timecode OSD options to decoder
    • Added RTP option to MPEG-TS stream mode
    • Decoders now support interlaced H.264 streams from some 3rd party encoders

    C​hanges and

    Improvements

    • Fan now turns off while recording in camera-triggered mode
    • License entry field now allows right-click to paste
    • Added support for multiple network interfaces connecting to the same subnet
    • Remote app access can now be disabled (See System Settings)
    • Removed warning about interrupting streams when configuring overlays
    • Facebook Groups streaming is no longer available
    • Various security updates/improvements
    • Ethernet static IP can be configured via front panel on devices with directional joystick
    • Next Gen Codec mode
    • Improved decoder stability
    • Reduced decoder pixelation/artifacts when network connectivity is poor
    • URLs are now generated for all 'listener' type stream modes (RTSP, HLS, etc.)
    • Recording filename wildcards are now supported
    • Added bonding statuses to web UI
    • Improved interlaced stream compatibility with 3rd party decoders

    Bug Fixes

    • Next Gen Codec mode
    • Encoder would sometimes encode green picture after restart
    • Decoder sometimes output small group of frames repeatedly
    • Encoder overlay disappeared if video source was disconnected and reconnected
    • Encoder overlay was not scaled correctly for some encoder resolutions
    • Prism rack mount decoder analog output was muted
    • Next Gen stream settings were not reset with a factory reset
    • Front panel record status did not work
    • Embedded audio levels were lower in Next gen vs. standard mode
    • Encoder could restart unnece​ssarily when video is disconnected/reconnected
    • Failover generator didn't start if encoder was booted with no video and resolution/bitrate were set to Auto
    • Prism Encoder does not start encoding video if source is connected after bootup and resolution/bitrate were set to Auto
    • Deinterlacer could cause poor video quality
    • Fixed Interlaced HEVC encoding to improve video quality
    • Hyperion decoder did not recover if the inbound stream was restarted
    • Switching between saved Wi-Fi networks did not always work correctly
    • Wi-Fi connection dialog did not always disappear after connecting to a network
    • Wi-Fi AP advertisement was publishing incorrect security mode
    • Front panel interface could freeze if recording was enabled with no media selected
    • Fixed audio stream drops when Audio Bitrate is configured at or above 512kbps
    • Audio Bars on WebUI were not updated based on Audio Channel Selection
    • Recorded file browser created file downloads with other clips' names
    • 0 in wildcard of RED clipnames was saved as open bracket [
    • Stopping a recording from a camera while recording is "Waiting" would trigger another recording
    • Decoder did not output video if the source was 1080i59 with 4:2:2 chroma subsampling
    • Core firmware check would display "Checking" until device's local web UI was loaded
    • Name server and domain were sometimes not configured when connecting to Wi-Fi
    • License-enabled settings were not updating correctly across different firmware versions, or if a modified license was installed
    • Adding licenses to Prism Flex MK II does not work
    • Custom modem APNs were not being saved correctly
    • Add account button for stream presets was displayed even after configuring the account
    Release notes & download
  12. Version 2.20.20240614 Released Jun 17, 2024 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.20.20240614

    New Features

    • None

    Changes and

    Improvements

    • Improved Core control connection stability
    • Show currently connected interfac​e for Core ccontrol
    • Add support for multiple network interfaces connected to the same subnet

    Bug Fixes

    • Core control connection would restart when changing network interfaces
    • Core control connection would not i​nitialize if highest priority network interface had no uplink
    • Wi-Fi network configuration sometimes failed to start correctly on boot
    Release notes & download
  13. Version 2.20.20240408 Released Apr 8, 2024 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.20.20240408

    2.20.20240408 Changes

    • Failover generator did not start on bootup if encoder resolution and bitrate were set to auto
    • Encoder did not start properly if booted with no video and encoder resolution and bitrate were set to auto
    • Camera triggered recording for Canon cameras with clip name metadata was not working correctly
    • Added additional hardware revision support

    New Features

    • Next Gen encoder updates
    • Added MPEG DASH and HTTP Live stream modes
    • Added RIST stream output mode
    • Added recorded file upload sync
    • Added broadcast triggered recording
    • Added 5.1 and 7.1 audio s​upport
    • Added streaming platform support
    • Added additional decoder ingest modes -- RTSP, RTMP, RIST
    • Added decoder file browse and playback with playback controls
    • Added License-activated second stream and return video options to Prism encoders
    • Added Moxion file sync platform support

    Changes and

    Improvements

    • Redesigned De-Bonding (Hyperion ingest) decoder UI/UX
    • Improved Wi-Fi adapter reliability
    • Removed Wi-Fi 5 option -- no longer needed
    • Streams can now be started and stopped from the front panel on Prism Mobile and Prism Flex
    • CDN accounts are now selected after adding
    • Facebook page name is shown in streaming status
    • Changed Teradek Data labels
    • Various modem connection improvements

    Bug Fixes

    • Streams from 1080i50/59.94 video were limited to 25 or 30 fps
    • Next Gen Teradek Cloud stream configuration was not compatible with De-Bonding decoders
    • Fixed image quality issues with interlaced video on Next Gen encoder mode​
    • Licenses were not always displayed on licenses page
    • Network connections were not initialized correctly when switching between two different valid Ethernet or Wi-Fi networks
    • Fixed issues with network connectivity when connected to multiple networks with the same subnet
    • Core Comms would not reliably connect if multiple devices were using the same credentials
    • Prism Mobile vertical status menu could show while entering wi-fi password or cloud service code
    • USB drives were sometimes not mounted after a reboot
    • RTMP-based streams could not be restarted after an error
    Release notes & download
  14. Version 2.20 Released Mar 19, 2024 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.20

    New Features

    • Next Gen encoder updates
    • Added MPEG DASH and HTTP Live stream modes
    • Added RIS​T stream output mode
    • Added recorded file upload sync
    • Added broadcast triggered recording
    • Added 5.1 and 7.1 audio support
    • Added streaming platform support
    • Added additional decoder ingest modes -- RTSP, RTMP, RIST
    • Added decoder file browse and playback with playback controls
    • Added License-activated second stream and return video options to Prism encoders
    • Added Moxion file sync platform support

    Changes and

    Improvements

    • Redesigned De-Bonding (Hyperion ingest) decoder UI/UX
    • Improved Wi-Fi adapter reliability
    • Removed Wi-Fi 5 option -- no longer needed
    • Streams can now be started and stopped from the front panel on Prism Mobile and Prism Flex
    • CDN accounts are now selected after adding
    • Facebook page name is shown in streaming status
    • Changed Teradek Data labels
    • Various modem connection improvements

    Bug Fixes

    • Streams from 1080i50/59.94 video were limited to 25 or 30 fps
    • Next Gen Teradek Cloud stream configuration was not compatible with De-Bonding decoders
    • Fixed image quality issues with interlaced video ​on Next Gen encoder mode
    • Licenses were not always displayed on licenses page
    • Network connections were not initialized correctly when switching between two different valid Ethernet or Wi-Fi networks
    • Fixed issues with network connectivity when connected to multiple networks with the same subnet
    • Core Comms would not reliably connect if multiple devices were using the same credentials
    • Prism Mobile vertical status menu could show while entering wi-fi password or cloud service code
    • USB drives were sometimes not mounted after a reboot
    • RTMP-based streams could not be restarted after an error
    Release notes & download
  15. Version 2.19.20240122 Released Jan 22, 2024 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Ve​rsion 2.19.20240122

    New Features

    • None

    Changes and

    Improvements

    • Facebook Page and Group names are now displayed in streaming status

    Bug Fixes

    • Short recordings were sometimes not uploaded to Frame.io
    • RED camera triggers could cause multiple recordings to be generated for the same clip
    • Decoders set to Next Gen mode did not recover when SRT, MPEG-TS streams were interrupted
    • Node modems with some Teradek Data SIMs were not detected correctly
    • Vertical status menu could appear during Wi-Fi password entry on front panel
    • Recorded files were sometimes not displayed

    Teradek Prism Firmware Version 2.19

    New Features

    • Added firmware upgrade support for internal and external Node II modems
    • Added multi-track audio support to recordings
    • Added ability to link to Teradek TV from front panel
    • Added ability to link to Frame.io from front panel
    • Added additional Teradek Data (LT, Japan) options
    • Added RTP Push support
    • Next Gen Encoder updates:
    • Added additional plugin support: RTMP, Airmix, RTSP, HLS, Teradek Cloud
    • Added support for interlaced H.264 encoding
    • Added Fast Adaptive Bitrate control option
    • Added Closed Captions support
    • Added GDR encoding option
    • Added initial recording support
    • Added SEI timecode support
    • Added web preview for HLS stream mode
    • Added OSD settings
    • Added BLE (Bluetooth) support for basic network configuration via Prism app
    • Added Multi-track audio support to decoders
    • Added Auto Start option for RTMP stream mode

    Changes and

    Improvements

    • Added Teradek TV status to front panel
    • Cloud synced file uploads (Core, Frame.io, etc.) are now uploaded in order of creation
    • Codec Mode (standard/next gen) status is now shown in web UI sidebar
    • Added additional detailed modem status information
    • Core Comms now works when Next Gen codec is enabled
    • Improved Core Comms statuses
    • Streaming destinations can now be saved as Presets
    • Changed default rate control mode to Fast Adaptive Bitrate
    • Display 'Never' for Hyperion Licenses without expiration
    • If USB Headset is selected, it must be connected in order to join Core Comms call

    Bug Fixes

    • Facebook streaming did not start if commas were present in Title or Description
    • Invalid privacy option was exposed for Facebook Page/Groups streaming
    • Switching Encoder mode between Standard and Next Gen sometimes failed
    • Audio input did not change when switching input between HDMI & SDI
    • PIX upload/authentication could fail intermittently
    • Network routing did not update correctly when interfaces were connected/disconnected, resulted in 'No Uplink'
    • Devices would not connect to Wi-Fi networks on boot if connection took more than a few seconds
    • Recording media sometimes failed to mount correctly
    • Node II sometimes failed to connect to mobile networks
    • Auto Colorimetry was setting bt.2020 for HD SDR inputs, 8 bit encoder. Caused some players to display colors incorrect​ly
    • Analog headphone Audio on Decoder Core Comms was silent
    • Analog Line In Comms audio was noisy when played through analog headphones
    • Analog audio input did not work in Next Gen encoder mode
    • Web UI could cause client browsers' memory usage to increase over time
    • Stream audio was silent if a negative lip sync value was set
    • Frame.io real time uploads slightly larger than 1 part (5.25MB) would fail to upload
    • Frame.io Offline recordings could were being deleted from upload queue without any method to resume
    • Timecode counter/OSD was incorrect for 1080PsF 23.976
    • Fixed decoder overlay colors in standard decoder mode
    • Overlay was disabled when switching from HD to 4K input
    • WebUI did not refresh after a Factory Reset
    Release notes & download
  16. Version 2.18.20231106 Released Nov 8, 2023 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.18.20231106

    Changes and

    Improvements

    • Increased next gen encoder mode snapshot quality
    • Added Fast Adaptive Bitrate​ to next gen encoder rate control options
    • Added additional hardware revision support

    Bug Fixes

    • SRT decoder would restart even if a stream was present
    • Fixed PIX authentication

    Teradek Prism Firmware Version 2.18

    New Features

    • Added Teradek TV support - Teradek's new cloud review platform for live feeds and remote collaboration
    • Added Core Comms - Talkback and collaboration between devices and apps
    • Added Real-time upload support for Frame.io C2C
    • Added vertical status menu to OLED for Prism Mobile
    • Added BETA next gen encoder/decoder mode with reduced latency
    • Added support for multiple switchable graphic overlays

    Changes and

    Improvements

    • Many system/stream stability

    improvements

    • Added factory reset to front panel for Prism Flex encoder/decoder
    • Added per-interface streaming bitrate statu​s

    Bug Fixes

    • Adding/removing audio tracks didn't take effect until other settings are changed
    • YouTube account/stream settings could not be managed after logging in
    • Remove Entropy Mode & Audio Codec Setting from WebUI
    • Some system utilities would restart unnecessarily
    • Booting encoder while connected to an actively-recording camera prevented files from being generated
    • ALEXA 35 clip name was not detected for recordings
    • Frame rate calculation for 23.976fps was incorrect for recorded files
    • External media capacity status did not update dynamically
    • Core and other cloud platform authorization could be lost without user deleting it
    • Factory Reset did not reset WebUI Password
    Release notes & download
  17. Version 2.17 Released Aug 3, 2023 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.17

    New Features

    • Added Multi-track audio configuration, supports multiple mono/stereo/surround audio tracks for video streams
    • Added Node 5G support
    • Added bonded file upload support for Frame.io, Sony Ci and Sony C3P

    Changes and

    Improvements

    • Improved Decoder robustness, startup reliability
    • Improved Bond Adaptive Bitrate algorithms
    • Large buffers (>15 seconds) are handled better
    • Reduce bandwidth spikes when dealing with connectivity dips
    • Improve handling of network interruptions shorter than​ buffer size
    • Improve streaming when buffer is small but nonzero
    • Added Fast adaptive bitrate rate control setting for use with Bonding
    • Added audio bitrate status to decoder
    • Hide timecode in encoder web UI if disabled
    • Many Node modem connectivity

    improvements

    • Added option to disable modems from web UI
    • Added PIX, Sony Ci, C3P statuses to front panel
    • Embedded audio is muted when video generator is active
    • Settings blocks are now collapsible in the web UI

    Bug Fixes

    • Fixed Wowza transcoder compatibility
    • A/V sync could drift when the pattern generator was enabled/disabled
    • Decoder sometimes needed to be restarted if the encoder stream was interrupted
    • Decoder audio volume settings were ignored on boot up or restart
    • Encoder would not start encoding generated picture unless video had already been connected
    • DHCP lease renewal could cause sho​rt interruption in network stream and Core connection
    • Prism Mobile could not connect to Wi-Fi or show saved networks if 'Connect to saved networks' was disabled
    • Wired 2 network status was not displayed
    • Prism Mobile modem slot statuses were reversed
    • FS7 Clipnames occasionally saved using the previous name
    • Home directory was not shown in Core file sync directory listing
    • Recordings are not removed from Recorded Files Page when "Deleting All"
    • Fixed channel assignment, labels for surround audio
    • Event history was not always displayed
    Release notes & download
  18. Version 2.16 Released Apr 1, 2023 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.16

    New Features

    • Added Audio/Video failover pattern generator
    • Added Sony C3P recording file sync support
    • Added option to disable internal/external cell modems

    Changes and

    Improvements

    • Improved file upload reliability on unreliable networks
    • Added advanced MPEG-TS configuration to Prism and Prism Flex
    • Added warni​ng when changing settings that will disrupt an active stream
    • Reduced modem connection times on startup and after configuration changes
    • Added constant/variable bitrate toggle to encoder advanced settings
    • Teradek Cloud stream settings are cleared when device is unlinked from Core account

    Bug Fixes

    • In progress file uploads were not always resumed when network connectivity changes
    • 3rd party, Cube 7xx SRT streams could not be decoded
    • Modems sometimes failed to connect after startup or configuration changes
    • Codec sometimes needed to be restarted after disconnecting from Core
    • Camera m​etadata was not captured on every startup with PsF or interlaced formats
    • Sony Camera trigger mode did not work if no filename was detected
    • Semicolon (;) and dollar sign ($) characters prevented recordings from saving
    • Some recorded HEVC files started with 1 or 2 black frames
    • Wowza Cloud link was reset after rebooting devices
    • Fixed 5.1 audio output on Prism decoders
    • Prism decoder frontpanel displayed 'Missing IP address' when configured properly
    • Account integration IDs were not cleared properly when performing a factory reset
    • Local stream did not work if percent (%) character was used in the password field
    • Prism rackmount passwords could be reset after rebooting cards
    • Speedtest fails sometimes
    Release notes & download
  19. Version 2.15 Released Jan 24, 2023 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.15

    New Features

    • Added support for Prism Mobile (Prism 857) mobile bonding encoder
    • Added support for Teradek Data SIMs
    • Added Core account authorization to front panel

    Change​s and

    Improvements

    • Improved Status/Control updates between device and Core
    • Various Recorded file browser UI

    improvements

    • Removed deprecated Facebook scheduled live stream feature
    • Improve modem statuses, hide errors on initial connection
    • Modem logs are now present in diagnostics

    Bug Fixes

    • Fixed streaming to Facebook Pages
    • Bonjour advertisements did not always start on boot
    • Web UI would refresh unnecessarily if network connection was briefly interrupted
    • Firmware upgrade would occasionally fail to start​
    • Fixed slow memory leak in recording functions
    • Recording did not work if closed captions were enabled
    • Recorded files were not uploaded if the SDI clip name contained spaces
    • Default filename was used for recording with HDMI sources even if another clip name was configured
    • Recorded file timestamps were incorrect
    • Cloud integration settings were not properly cleared after a factory reset
    • Audio bitrate status used incorrect units
    • Node II firmware version was not always displayed
    Release notes & download
  20. Version 2.13 Released Nov 23, 2022 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2​.13

    New Features

    • Added PIX recording file sync support

    Changes and

    Improvements

    • Improved Core reconnection when connecting over multiple interfaces
    • Enable f​ile sync by default for 3rd party file sync integrations

    Bug Fixes

    • Fixed authentication settings for Node II
    Release notes & download
  21. Version 2.12 Released Nov 15, 2022 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.12

    New Features

    • Added support for recording to USB storage
    • Added Recorded file browser for web UI download/playback of files stored on local media
    • Added support for additional cell carriers that require manual APNs on enterprise networks
    • Added additional SIM card statuses
    • Added SIM card PIN support
    • Added Twitch streaming suppor​t

    Changes and

    Improvements

    • Improved networking performance, particularly for UDP and local wi-fi streaming
    • Improved memory management, long term stream stability
    • Improved system error handling and recovery
    • Node V2 can now detect SIM card insertion/deletion without requiring modem to be power cycled
    • Timecode accuracy for high frame rate video (30+ fps) has been improved
    • Current detected timecode is now displayed in web UI status panel
    • Added 'delete diagnostics' button when performing factory reset, diagnostics are preserved by default to aid with troubleshooting

    Bug Fixes

    • Encoders and decoders could fail to reconnect to Core after net​work or connection interruptions
    • Node II could sometimes fail to connect to networks that required manual APN configuration
    • Closed captions worked only when recording was enabled
    • Fixed issues with reading from local storage after formatting
    • Facebook scheduled event start time was not set correctly
    • Static IP configuration was not reset when performing a factory reset
    Release notes & download
  22. Version 2.11 Released Sep 22, 2022 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.1​1

    New Features

    • Added support for Sony Ci file sync
    • Added ALEXA 35 recording clip name support
    • Added front panel 'home' screen with network, record, video statuses to Prism Flex
    • Added local event history page, contains persistent record of status and configuration changes
    • Added SDI closed caption support for Prism decoders
    • Added Vimeo event support

    Changes and

    Improvements

    • Cell signal strength for Node v2 is now displayed in the web UI
    • Reduce time between SDI record trigger and recorded file start
    • Ensure recorded file fram​e durations are constant

    Bug Fixes

    • Recorded file timecode/framerate could be incorrectly calculated, caused timecode sync issues in some NLEs
    • Timecode was sometimes incorrect or not present when recording from PsF input video
    • Prism decoder audio meters did not work
    • Link local address was sometimes retained after connecting Ethernet cable on a DHCP-enabled network
    • Recording did not work on Prism if closed captions were enabled
    • Camera clip names were not saved for recordings to NFS shares
    Release notes & download
  23. Version 2.10 Released Aug 26, 2022 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.10

    New Features

    • ​Added embedded 608 and 708 Closed caption support for encoders. Works with MPEG-TS, SRT, RTSP, RTMP and Cloud streaming
    • Added NFS and recording support to Prism rack mount encoders -- now supports camera-triggered recording to network share drives and Core file sync
    • Added configurable recording filename wildcards

    Changes and

    Improvements

    • Auto-select recording media when plugged into Prism Flex and no media is selected
    • Additional record media handling

    improvements

    • Block unmount media button when recording
    • Changed some stream colorimetry options, combined PAL and NTSC rec.601
    • Factory reset can now be done separately for network and broadcast settings

    Bug Fixes

    • Fixed incor​rect color encoding for Prism rack mount encoders
    • Devices would sometimes fail to reconnect to Core after network status changes
    • Recordings were not triggered if record media was removed and reinserted
    • Fixed issues that could prevent incomplete file uploads from resuming after device reboot or network reconnect
    • Fixed RTMP streaming to some platforms that require 'releaseStream' message before starting broadcast
    • Duplicate Wi-Fi SSIDs were listed when scanning multiple times
    • Could not connect to MacOS NFS shares
    • Pasting entries into the web UI did not activate the Save button
    • Fixed Prism Flex Decoder analog audio output volume controls
    Release notes & download
  24. Version 2.7 Released Jul 12, 2022 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.7

    New Features

    • Added skip frame option for encoders to prevent large bitrate spikes on scene changes, particularly for CBR applications
    • Added auto bitrate selection option, select between best quality/lowest bitrate, auto adjusts based on encoder resolution
    • Added Frame.io support for Prism Flex
    • Added user-configurable video Color space and Color range settings

    Change​s and

    Improvements

    • Many system stability, memory usage

    improvements

    • Added support for 802.11r Fast Transition - devices intermittently couldn't connect to FT networks with previous firmware
    • Removed account details from system logs
    • Improved Prism Flex recording functionality
    • Improved clip name reliability
    • Improved timecode accuracy for different
    • Support recordings when clip name is not present in SDI
    • Allow users to specify underscore '_' character in recording filenames
    • Added user-provided certificate to web UI HTTPS authentication
    • Disable mDNS stream advertisement if local streaming is disabled
    • Add flag to mDNS stream advertisement if encryption is enabled
    • Improved Core login/link UX -- don't require users to click Save before connecting to Core

    Bug Fixes

    • M​PEG-TS CBR did not work reliably
    • Decoder sometimes did not recover if encoder stream was restarted
    • Encoder/decoder streams did not always work after network configuration was changed
    • Web UI was inaccessible if some system components restarted
    • Timecode did not work correctly for 1080PsF resolutions
    • Network interface priority settings were reversed for Prism rackmount codecs
    Release notes & download
  25. Version 2.5 Released Mar 22, 2022 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.5

    New Features

    • Initial Prism Flex (855) public release
    • Desktop form factor for Prism
    • Adds local SD card recording and Core file sync
    • Supports Airmix streaming for use with Airmix and VUER apps
    • Added brand new web con​figuration UI
    • Added embedded 5.1 channel surround audio support
    • Added mixed (simultaneous embedded and analog) audio input support
    • Added stream colorimetry options

    Changes and

    Improvements

    • Reduced network broadcast traffic for rackmount card discovery - All cards must be updated for sidebar to function properly
    • Moved HTTPS configuration to System Settings page
    • Moved​ restart video button to System Settings page
    • Added additional audio bitrate options (64, 192, 320 kbps)
    • Improved diagnostic report structure, added serial number to filename
    • Default port for RTMPS streaming is now 443 instead of 1935 -- 443 is used if no port is specified in the URL

    Bug Fixes

    • Decoder: output displayed occasional tearing artifacts when set to 50/59.94/60 Hz formats
    • Decoder: fields were swapped when set to output 1080i50/59.94/60 video
    • Encoded audio from 12G-SDI sources was distorted
    • OLED display could become distorted/shifted after some time
    • Wowza Cloud streaming authentication did not work
    Release notes & download
  26. Version 2.4 Released Jan 12, 2022 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 2.4

    New Features

    • Added analog audio input and output support
    • Added latency options to YouTube event creation
    • Network interface priority​ is now configurable
    • Added 'Channel Name' option for Manual RTMP(S) streams
    • Added selectable NTP system time zone

    Changes and

    Improvements

    • Improved YouTube start/stop and status reliability
    • Improved decoder HEVC long term stream stability
    • Improved RTMP streaming robustness
    • Numerous additional stream stability and ​robustness improvements

    Bug Fixes

    • Network status details could report 'No Cable' when interface is working normally
    • Decoder cards could fail to play some RTSP streams
    • Decoder now recovers when decoding MPEG-TS and SRT HEVC streams if the stream is interrupted
    • Web UI could sometimes fail to load without clearing browser cache/cookies
    Release notes & download
  27. Version 1.4 Released Apr 14, 2021 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 1.4

    New Features

    ​

    • Added option to select 'Made for kids' when creating YouTube broadcasts

    Changes and

    Improvements

    • Changed 'Bonding' stream mode name to 'Teradek Cloud'
    • No longer show Go Live button for Y​ouTube when not logged in

    Bug Fixes

    • Fixed case where deinterlacer could be disabled in H.264 (Prism does not support interlaced H.264)
    • Prism could not stream to YouTube events with the 'Made for kids' option selected
    Release notes & download
  28. Version 1.3 Released Mar 22, 2021 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 1.3

    New Features

    • Added support for Prism HD+ codec cards

    Changes and Im​provements

    • Auto-login if password is default 'admin'
    • Added controls for OLED front panel dimming/brightness/invert configuration
    • YouTube broadcasts can now be stopped without completing the event

    Bug Fixes

    • Fixed cases where encoder could report 'No Video' when in Sputnik/Bonding mode
    • Displayed broadcast statuses were sometimes out of sync with actual status
    • 720p video from some sources wa​s not detected correctly
    • Some numbers/text in OSD burn-in were cut off for certain resolutions
    • Removed inactive recording section from web UI
    • Wowza Cloud streams could fail to start
    Release notes & download
  29. Version 1.2 Released Feb 3, 2021 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 1.2

    New Features

    • Added RTSP support for encoders
    • Added RTSP support for decoders - for best performance, setting protocol to TCP is recommended
    • Added audio mute option
    • Added Wowza Cloud support
    • Added time/timecod​e OSD burn-in text options

    Changes and

    Improvements

    • Overall system stability

    improvements

    • Further improved SRT stream robustness
    • Added IP address of currently connected card in chassis overview screen
    • Mute audio when disabled to allow streaming to RTMP destinations
    • Automatically disable adaptive bitrate when Bonding stream buffer i​s set to 0 for low latency streaming

    Bug Fixes

    • Fixed potential crashes/memory leaks for multiple system processes
    • Encoding frame rate could degrade after 7+ days
    • Core control connection sometimes failed to reconnect after interruption
    • Decoder stopped processing audio if encoder video format changed
    • Cards could fail to reboot after a firmware update
    • Web UI was not displayed correctly in Internet Explorer
    • Fixed some front panel display issues
    • Network info was not displayed under the main status tab
    • Web UI password could not be set back to default 'admin' value
    Release notes & download
  30. Version 1.1 Released Nov 16, 2020 First seen Jul 11, 2026
    Show release notes

    Teradek Prism Firmware Version 1.1

    New Features

    • Added PsF resolution support
    • Added support for decoding HEVC streams from Cu​be/Slice/T-RAX 7xx encoders
    • Added encryption support for Bonding stream mode when used with Core

    Changes and

    Improvements

    • Improved Core control connection stability
    • Improved decoder long term streaming ​stability
    • Many other web UI and performance improvements

    Bug Fixes

    • Long DHCP leases (30+ days) caused uneccessary DHCP renew requests
    • Default network routes were not being set if no Internet connection was detected
    • SRT decoding could stop after streaming for multiple days
    Release notes & download

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