Brightsignos Updates & Release Notes

:::hint{type="info"} Summary

This Beta provides the latest improvements including to transport stream playback and chroma keying as well as API support for PCAP. Beta releases provide early access to new features and do not guarantee functionality. :::

Feature Changes

• OS-22192: (General) Unifont.ttf is no longer included in BrightSign OS. Presentations that require this font should include it as part of the presentation themselves.

Improvements

• OS-22094: (General) Received IPv6 router advertisements no longer always cause a message in the log.
• OS-22148: (Series 5 and 6) Non‑HWZ video (video on graphics or hwz:off or z:index:0) is now supported.

Bug Fixes

• OS-16797: (General) Fixed d-bus crashes occurring during communication with WPA supplicant
• OS-20699: (Series 5 and 6) Restored roHdmiOutputChanged events (fixes a regression introduced in 9.0.166.1)
• OS-20715: (Series 4) Fixed AES decryption issues when keys are rotated while media is streamed
• OS-21588: (General) Improved filename and path validation when extracting zip archives
• OS-21847: (General) Fixed an out-of-memory issue that occurred after prolonged usage of roBtCentralManager or bt for advertisement scanning
• OS-21940: (XT5) Fixed the slow boot when HDMI inputs are enabled …

:::hint{type="info"} Summary

This General Availability release provides a single, unified firmware version across Series 3, 4, 5 and 6 players. Chromium 120 is supported on all player series for consistent performance across mixed player fleets as well as ongoing security improvements. :::

Feature Changes

• OS-21753: (Series 3 and 4) Setting HWZ to off on Series 3 and 4 players has no effect in this release
• OS-19781 (LGUV5N) The internal storage name has been changed from FLASH: to SD:

Improvements

• OS-20201: (XT5, XT4) Added mirror, mirror_rot90, mirror_rot180 and mirror_rot270 transforms to roHtmlWidget
• OS-21083: (XT5) An error is now logged if multi-channel LPCM EDID has no Speaker Allocation Data Block
• OS-21421: (HD4, LS4) Added implementation for HTML video element setSyncParams method when using the native BrightSign video player in 9.1.
• OS-21732: (General) Added an roPcap BrightScript API to analyze, replay and extract PCAP files.
• OS-21754: (Series 3 and 4) These players now always use BrightSign media player regardless of the registry setting since they don't support Chromium media player playback.
• OS-21765: (General) Added security updates to SRT video transport

Bug Fixes

• OS-20711: (XT4) Resolved an issue where HDMI Input shown in an HTML video tag would sometimes not display. …

:::hint{type="info"} Summary

This beta release includes Chromium 148 and Node 24 as well as numerous video stability, synchronization and HTML performance improvements for Series 4, 5 and 6 players. Beta releases provide early access to new features and do not guarantee functionality.

Limitations

• RTP streaming is not yet stable on 10.0
• This beta is not recommended for use with LGUV5N
• FLASH: onboard storage has limited available space and is not suitable for customer use on Series 4 players :::

New Features

• OS-5803: Added support for configuring SSH authorized public keys via roNetworkConfiguration and hostconfiguration
• OS-19861: (General) Updated Node.js to version 24.15. The assessment of stability impacts on dependencies is ongoing, so remote deployment is strongly discouraged in the interim.

Feature Changes

• OS-15494: (General) QtWebEngine is removed on OS 10.0 and higher (meaning WebRTC desktop sharing is no longer available)
• OS-19284: (General) BrightSign OS no longer supports Chromium87. …

Feature Changes

• OS-15494: (General) QtWebEngine is not available for Chromium versions above 87 (meaning WebRTC desktop sharing is no longer supported)

Bug Fixes

• OS-20469: (XT5, XD5, HD5, LS5, HS5, MD5, LG5) Implemented a fix for default audio input which was not being set correctly on players
• OS-21652: (General) Fixed a Chromium bug that can cause webpages with a page containing @starting-style in the stylesheet to crash
• OS-21708: (General) Fixed handling of large PES packets in MPEG transport streams that would cause rebuffering, stream restarts and loss of sync.

Supervisor v3.3.4.1 Update (OS-21701)

• BCN-21349: Error handling for display firmware update process
• BCN-21366: Check if FW file is completely uploaded before reboot or triggering tv-controller service
• BCN-21552: Don't stop watchdog during shutdown
• BCN-21476: Open WebSockets connection and enable RDWS even with LDWS disabled
• BCN-21051: Supervisor support for opt out

Improvements

• OS-17808: (LGUV5N) Added crash dump support
• OS-21399: (Series 5 and 6) A new option, DropErrorFrames was added to roVideoPlayer and the HTML video tag. This allows users to configure whether to show frames with errors or drop them (which can cause pauses). By default, these errors are shown on Series 4 and earlier players. On Series 5 and later players, errors are hidden by default.

Bug Fixes

• OS-20573: (General) Fixed poor rendering performance for video in HTML presentations on rotated screens. This issue was intermittent and occurred from start-up; it was introduced in BOS 9.0.168.2 but the failure rate was much higher in versions from 9.0.211 on.
• OS-21094: (General)SetAudioMode(0) can result in no audio if the audio routing set has no valid route for multichannel output. This restores the previous behavior which will do stereo mixdown as a last option.
• OS-21496: (General) JavaScript legacy BSObjects will now receive events when run in nested iframes
• OS-21519: (General) Fixed a JavaScript object construction issue that could result in the error ReferenceError: Cannot access 'objectDefinition before initialization
• OS-21636: (General) Fixed an occasional crash when jobs are cancelled in the dispatch queue
• OS-21639: (General) Disabled the cursor when using Chromium 87 …

Improvements

• OS-20976: (General) Mismatched stream lengths on files will no longer be detected as a stall (but will continue to be a stall for live streams).
• OS-21375: (HD4) Electron default reject dialog timeout changed from one to five seconds to allow more time on slower players.
• OS-21215: (General) Improved interlace support when using H.265

Bug Fixes

• OS-20119: (General) Fixed a crash that occurs when restarting the player after creating an HTML widget with invalid parameters.
• OS-20157: (Series 3 and 4) Fixed a 9.1 32-bit overflow error that occurred when calculating sound percentage volume
• OS-20450: (Series 4, 5 and 6) Fixed a crash when mixing explicit and relative video player Z-order APIs.
• OS-21242: (LS5, HS5) Added fix for unresolved EME MediaKeySession.closed promise after session is closed
• OS-21377: (General) Added a fix so Chromium 87 displays web pages (this regressed in BOS version 9.1.121).
• OS-21456: (XT5) Fixed an occasional ticker crash that happened when the RecvThreadPoll CopyElements call created a copied list after removing invalid elements.

:::hint{type="info"} This is a Beta release for all BrightSign Series 3, 4, 5, 6 (XS156) and LGUV5N players. :::

Improvements

• OS-20967: (XT5) Chroma/luma key performance has been greatly improved, and tearing and juddering on keyed videos has been fixed.
• OS-21103: (General) The BrightSign DHCP server now works correctly even when the link is not present on the interface at startup.
• OS-21120: (General) It is now possible to query the health of player FLASH: storage partition using roStorageInfo.GetDeviceHealth().
• OS-21121: (General) Chromium web inspector will now work on IPv6 addresses by default.
• OS-21126: (General) DHCP leases granted by the BrightSign DHCP server are now persistent across reboots. The lease time has been reduced from ten days to one day.

Bug Fixes

• OS-20183: (General) Fixed an issue introduced on 9.1 with Chromium 120, which caused all graphics widgets (Text, Image, Canvas) to appear behind the roHtmlWidget. Graphics widgets stack in creation order by default and respect their raise() and lower() methods.
• OS-20425: (Series 3 and 4) Fixed an issue where roDeviceInfo HasFeature would not report eAC3 decode as present on players that have a Dolby decode.
• OS-20493: (General) Fixed a five frame audio lead introduced in 9.1.94
• OS-20508: (XD6, XS6) Resolved an issue with 4K output where non-fullscreen video with a resolution of 1920x1080 or less degraded quality …

Improvements

• OS-19445: Updated the set of trusted CA root certificates to match those used by Firefox 140.1.0 ESR. The complete list of trusted CA root certificates is now available from the new cacerts list BrightSign shell command.

Bug Fixes

• OS-17565: Fixed curl CVE-2024-7264
• OS-19093: Fixed CVE-2025-0395
• OS-19771: The play button no longer needs to be pressed twice to start playback when using HTML5 video playback on Vimeo, and players that use MSE
• OS-19797: Fixed XHR requests failing on some web pages when the registry setting disable-http-cache is enabled and a storage path is set for an roHtmlWidget
• OS-19863: Fixed a memory leak caused by method getBVNComponents in devicestatus
• OS-20717, BCN-19028: Fixed a bug where player static IP config is not preserved when applying a setup package with "use current player settings"

:::hint{type="info"} This is a Beta release for all BrightSign Series 3, 4, 5, 6 (XS156) and LGUV5N players. :::

Improvements

• OS-21120: (General) It is now possible to query the health of player FLASH: storage partition using roStorageInfo.GetDeviceHealth().
• OS-21121: (General) Chromium web inspector will now work on IPv6 addresses by default.

Bug Fixes

• OS-20183: (General) Fixed an issue introduced on 9.1 with Chromium 120, which caused all graphics widgets (Text, Image, Canvas) to appear behind the roHtmlWidget. Graphics widgets stack in creation order by default and respect their raise() and lower() methods.
• OS-20425: (Series 3 and 4) Fixed an issue where roDeviceInfo HasFeature would not report eAC3 decode as present on players that have a Dolby decode.
• OS-20493: (General) Fixed a five frame audio lead introduced in 9.1.94
• OS-20508: (XD6, XS6) Resolved an issue with 4K output where non-fullscreen video with a resolution of 1920x1080 or less degraded quality
• OS-20569: (General) Fixed a crash during media playback from the asset pool caused by a misconfigured asset pool. The new behavior will be a playback error.
• OS-20570: (LS5) Fixed a file handle leak when using rotated video players
• OS-20914: (Series 3 and 4) Corrected subtitle placement for videos that are not fullscreen. This addresses a regression in functionality when moving from BOS 9.0.* to BOS 9.1.*. …

:::hint{type="info"} This is a GA release for Series 5, Series 6 and LGUV5N players. There is no version available for Series 3, 4, and AU5 players. :::

Improvements

• OS-20368: (General) Enabled memory pressure monitoring for roHtmlWidget

Bug Fixes

• OS-19965: (Series 5 and 6) Improved seamless switching of ABR streams when using Chromium Media Player.
• OS-20127: (General) Fixed a lockup that can happen if an error occurs while fetching a blob during roHtmlWidget video playback using the BrightSign native player

Supervisor (3.2.06) and DWS (1.51.0) Update (OS-20345)

:::hint{type="info"} This is a Beta release for all BrightSign Series 3, 4, 5, 6 (XS156) and LGUV5N players. :::

Improvements

• OS-3751: (General) Added registry option to use jemalloc as memory allocator:
  • In 9.1, with this change, the registry override for jemalloc is 'registry>debug>allocator jemalloc'
  • In 9.2, we plan to make jemalloc the default
• OS-20810: (General) Added an enable_pdf_viewer boolean option to roHtmlWidget constructor parameters. Applications should set the flag to 1 to enable the built-in PDF renderer in the browser. If is undefined or false, the browser triggers an roHtmlWidgetEvent with reason download-request.

Bug Fixes

• OS-20389: (LS5) Fixed intermittent crash triggered by GPU power handling when running HTML video
• OS-20687: (XT5) Fixed errors when encoding HDMI input to a file/stream.
• OS-20942: (Series 5 and 6) Changed the behavior of video files served over HTTP. This makes looping behavior for video served over HTTP act like local file playback.
• OS-20957: (XT5) Fixed a stutter that occurs in some H.265 videos
• OS-21049: (General) Restored the behavior of focusing the next window in the stack when the topmost focused window closes.
• OS-21167: (General) Players with configured WiFi will now enter network recovery correctly at boot time. This behavior has been broken since 9.1.47. …

:::hint{type="info"} This is a Beta release for all BrightSign Series 3, 4, 5, 6 (XS156) and LGUV5N players. :::

Improvements

• OS-19598: (Series 4) Added MSE support with Chromium (this was available in BOS 8.5 but is now also available in BOS 9.1)
• OS-20011: (General) roNetworkConfiguration now includes a GetDialupStatus method and the JavaScript networkconfiguration modem object now includes a getStatus method.
• OS-20290: (General) The temporary disable_hw_rotation registry setting has been removed as it is no longer needed.
• OS-20698: (General) Added a priorityOrder attribute to storage
• OS-20753: (General) Enabled memory pressure monitoring for roHtmlWidget
• OS-20980: (General) Added an insecure_private_network_access registry flag to the html section. It disables the security checks when a public website tries to access resources on the local network (PNA, PrivateNetworkAccess).

Bug Fixes

• OS-19674: (XT5) Fixed a problem that prevented the player from producing crash dumps
• OS-20058: (Series 3 and 4) Fixes potential deadlocks when destroying tickers
• OS-20127: (General) Fixed an intermittent lockup if an error occurs while fetching a blob during roHtmlWidget video playback using the BrightSign native player …

:::hint{type="info"} This is a Beta release for all BrightSign Series 3, 4, 5, 6 (XS156) and LGUV5N players. :::

Improvements

• OS-16912: (Series 5) Enabled multichannel playback on HDMI outputs
• OS-17752: (General) Hotplug handling has been improved, particularly for multiple-output players. Previously outputs could stay blank or powered off indefinitely after hotplug in some circumstances.
• OS-19040: (General) Improved performance of rotated video in certain circumstances

Bug Fixes

• OS-18782: (General) Ensured that players do not start up with scene elements missing or frozen on initial boot. This issue only impacted scene elements rendered via the GPU and video playback was not impacted.
• OS-18884: (General) Fixed potential crashes when popping visible elements from a ticker.
• OS-19208: (General) Fixed handling of global mouse button events for roTouchScreen when the HWZ ordering has been changed.
• OS-19791: (General) Resolved a crash that occured when enabling power saving on an output that is playing video.
• OS-20223: (HD5, XD5) Fixed regressions since BOS 9.0: HTML video playback performance, blank screen in certain situations.
• OS-20350: (General) Fixed a problem that caused the roHtmlWidget SetRectangle() call to be ignored when only the position changed, without altering the size. …

:::hint{type="info"} This is a Beta release for all BrightSign Series 3, 4, 5, 6 (XS156) and LGUV5N players. :::

Breaking Changes

• OS-19781: (LGUV5N) The internal storage name has been changed from FLASH: to SD:

New Features

• OS-18654: (LGUV5N) These players now support IR receiver in BrightScript and JavaScript

Improvements

• OS-17814: (LGUV5N) Audio video playback now synchronized within one video frame
• OS-20011: (General) roNetworkConfiguration now includes a GetDialupStatus method and the JavaScript networkconfiguration modem object now includes a getStatus method.
• OS-20232: (Series 5 and 6) Added support for mirrored transforms in roVideoPlayer.SetTransform
• OS-20322, OS-19986: (General) Video looping behavior is now consistent across all players when using LoopButNotSeamless:
  • MEDIAENDED will be raised when returning to the start
  • Looping will always have seams (i.e. visible pauses), even if the video is encoded in a way that would otherwise have allowed seamless looping
  • The value returned from GetPlaybackPosition will reset to 0, rather than continue to increment when looping.
  • Fixed an issue where the behavior of LoopButNotSeamless depended on previous calls to SetLoopMode …

:::hint{type="info"} This is a Beta release for Series 3, 4, and the AU5 players. It is a GA release for other Series 5, Series 6 and LGUV5N players. :::

New Features

• roHtmlWidget now uses Chromium 120
• OS-15839: (HS5, LS5) Added Widevine DRM Level 3 support for players running Chromium MediaPlayer

Improvements

• OS-14352: (General) Added missing support for setting fonts in an roHtmlWidget using the fonts constructor and AddFont API.
• OS-16166: (Series 5) Added informational fields for roVideoMode. GetHdmiInputStatus to bring reporting in-line with Series 4. The additional fields are input_present, device_present, width, height, interlaced, frame_rate, tmds_clock and colorspace.
• OS-16735: (Series 5) Added support for HTTP proxies when playing back media streams.
• OS-17037: (Series 5 and later) AES Counter mode (AesCtr) and AES Counter mode with HMAC (AesCtrHmac) file decryption added for video files.
• OS-17352: (LS5, HS5, HD5, XD5, Mx, and XT5) Upgraded the rescue kernel to 9.1.61 if the current version is older. This fixes the behavior of the LED during upgrades from rescue mode on players with a single LED.
• OS-17462: (Series 5 and later) AES Counter mode (AesCtr) and AES Counter mode with HMAC (AesCtrHmac) file decryption added for audio files. …

:::hint{type="info"} This Beta release supports all BrightSign Series 3, 4, 5, 6 (XS156) and LGUV5N players. This release enables partners to evaluate this version in their production environments and specific use cases prior to a General Availability (GA) release. :::

New Features

• OS-16282, OS-17497, OS-17652, OS-18041, OS-18420, OS-18421: roHtmlWidget now uses Chromium 120:
  • Series 5 players can switch back to Chromium87 by setting the html > widget_type registry value to chromium87.
  • roHtmlWidget cannot be switched back to Chromium87 on Series 3 and 4 players.
• OS-18181: (General) Added a new registry value, html > disable-http-cache 1, that allows customers to completely disable the Chromium HTTP cache to reduce the number of files created on SD card.
• OS-17871: (LS5, HS5) Enabled the NPU
• OS-19173: (General) Added a new registry setting, html > web_inspector_port, that allows the web inspector port to be changed from the default value of 2999
• OS-19194: (Series 5) Added support for AudioDelay parameter to match Series 4 behavior; this allows the user to configure a deliberate AV offset.

Improvements

• OS-16027 (XT5) Added HDCP passthrough support
• OS-16166: (Series 5) Added informational fields for roVideoMode.GetHdmiInputStatus() to bring reporting more in-line with that seen on Series 4 …

Improvements

• OS-17836: (General) Fixed a local privilege escalation vulnerability (CVE-2025-3925)
• OS-16200, 17236: (General) Upgraded to latest version/branch of OpenEmbedded Dunfell, fixing many CVEs.
• OS-15757: Added support for Prometheus node_exporter (link) to allow player information monitoring.
• OS-16404, OS-16405, OS-16406, OS-16407, OS-16023, OS-16269, OS-13111, OS-17498: Support for Telextext captions.
• OS-17751: (Series 3 and 4) Disabled tooltips and touch selection menu in Chromium.
• OS-18002: (General) Removed all hidden sections from the registry_dump API.
• OS-18181: (General) Chromium has changed the way it caches XHR requests, which can cause a buildup of files resulting in issues accessing a portion of the SD card. To address this, we have added a new html > disable-http-cache registry value which users can set to 1 to disable HTTP caching.

Supervisor (2.0.23) and DWS (0.1.51) and default-autorun (0.0.87) (OS-18585)

• BCN-17638: Reboot is now faster when a WiFi module is present but not configured with internet access.
• PE-600: Fixed issue where Option 43 did not send some headers when "ru" registry is not set.
• BCN-15698: Added search capability to the Log tab of the local and remote DWS.
• BCN-15944: Removed the BSN.Cloud networking setup type from On-Device Setup. …