This is the list of recent Nimble Streamer releases and basic description of changes.
Upgrade your server or install new server instance of Nimble Streamer if you'd like to use the latest version.
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4.1.9-3 Jul 14 2025
- support multiple subtitle tracks for HLS output generated from server playlist
- fixed HEVC discontinuity issue in HLS from DVR
- use proper EXT-X-VERSION in HLS output when CEA-608/CEA-708 subtitles indicated
4.1.9-2 Jul 02 2025
- fixed issue with HLS playback from DVR for some streams with B-frames
- fixed enabling MPEG-DASH hard reset when MPEG-DASH WebVTT subtitles enabled
- additional error handling for server-side task stop processing
- support using Speechmatics service for transcription (Ubuntu 24 only)
4.1.9-1 Jun 18 2025
- support fetching server playlist blocks via http/https
- fixed crash in HTTP/3 processor
- fixed WHEP statistics calculation
- upgrade WHIP/WHEP dependencies to fix CVE-2025-49140
- use separate nimble_transcriber process for each transcribed stream (requires upgrading nimble-transcriber package)
4.1.8-9 Jun 02 2025
- fixed crash on client session deletion in case input (pulled/pushed) stream fails
4.1.8-8 May 30 2025
- support MPEG-TS and Icecast streaming over HTTP/2 and HTTP/3
- fixed issue with sending MPEG-TS with SDT/program_number value > 8191
- some logging improvements
4.1.8-7 May 23 2025
- support reporting source streams via Nimble API for multipoint SRT senders
- support using multiple instances of the same stream in UDP/SRT outputs
- some improvements in WebVTT subtitles support for MPEG-DASH output
4.1.8-6 May 12 2025
- support triggering ads insertion using Icecast metadata
- support reporting source streams via Nimble API for SRT outputs
4.1.8-5 Apr 28 2025
- fixed HEVC SPS parsing issue (fixes QuickSync encoding on Ubuntu 24.04)
- support WebVTT subtitles for MPEG-DASH output for live streams
- support converting CEA-708 subtitles to WebVTT
4.1.8-4 Apr 11 2025
- increase sync buffer size and support configuring using 'http_requestor_buffer_size' option
- fixed descriptor leaks in case of server-side task start failure due to out-of-memory error
4.1.8-3 Mar 31 2025
- support generating CEA-708 subtitles during transcription
- support logging server playlist states to a separate log file
- fixed increased memory usage when generating JPG thumbnails for DVR
- support specifying unique_program_id when injecting SCTE-35 marker
4.1.8-2 Feb 24 2025
- some fixes for timeshifted MPEG-DASH streaming from DVR
- improve processing SCTE-35 markers to avoid buffer overflow
- some logging improvements
4.1.8-1 Feb 14 2025
- support HTTP/3 protocol (Ubuntu 22.04 and 24.04 only)
- support 'http_requestor_buffer_size' option
- support wildcard stream name specifier for file used by drawtext filter
- fixed issue with checking Transcoder license on startup
- some logging improvements
4.1.7-3 Feb 06 2025
- support adding ads content from per-session handler
- support exporting recorded WebVTT subtitles from DVR
- fixed issue with time-shifted HLS streaming
- fixed logging issue in subtitle recognition processes
4.1.7-2 Jan 29 2025
- some fixes for timeshifted MPEG-DASH streaming from DVR
- support sending Content-Range response for Icecast players requesting stream with Range
- support passing language code detected by Transcriber to HLS output
4.1.7-1 Jan 20 2025
- support transcribing audio and generating WebVTT subtitles (Ubuntu 24.04 only, requires Transcoder and Addenda licenses)
- ignore Range header in Icecast stream requests
- add MPD@publishTime attribute to MPEG-DASH manifests from DVR
4.1.6-4 Jan 14 2025
- fixed caching when re-streaming HLS/MPEG-DASH using routes with HTTP origin enabled
- fixed MPEG-TS processing for compatibility with some packagers filling incorrect header fields
4.1.6-3 Dec 26 2024
- fixed JPG thumbnails generation issue
- performance improvements in RTMP playback stats reporting
4.1.6-2 Dec 17 2024
- fixed protocol setting processing for application aliases
- support application aliases for SRT streams requested with streamid
- fix loading files of >2GB size for server playlist
- fixed crash in MPEG-TS HEVC processing
- upgrade WHIP/WHEP dependencies to fix CVE-2024-45337
- support adding scanType and lang attributes to MPEG-DASH manifests from DVR
- some logging improvements
4.1.6-1 Dec 10 2024
- support AV1 encoding with NVENC (Ubuntu 24.04 only, requires nimble-transcoder-1.3.0)
- nimble-transcoder package upgrade is required on Ubuntu 24.04
- add frameRate attribute to MPEG-DASH manifest Representation from DVR
- some error handing improvements
4.1.5-9 Nov 21 2024
- fixed timestamps overflow in RTSP pull
- support using SRT 1.5.4
- support disconnecting DVR MP4 export client due to inactivity
4.1.5-8 Nov 05 2024
- support AC-3/EAC-3 audio output in server playlist
- fixed setting FRAME-RATE attribute in HLS playlist
- fixed "Get cache key" Nimble API call output
4.1.5-7 Oct 17 2024
- fixed re-setting SCTE-35 markers timestamps in server playlist
- support adding FRAME-RATE attribute to HLS playlists
4.1.5-6 Oct 04 2024
- another fix to avoid resetting DVR periods on PDT drifting
- some performance improvements for DVR processing
4.1.5-5 Sep 30 2024
- support keeping updated server playlist task while content is being downloaded
- fixed resetting DVR periods on PDT drifting
- some performance and memory usage optimizations in live and DVR streams processing
4.1.5-4 Sep 12 2024
- fixed issue with multiple OOP transcoders creation
- fixed passing SPS/PPS/VPS metadata from MPEG-TS HEVC input
- fixed processing WHIP publishers using signature-free mode
- some logging improvements
4.1.5-3 Sep 07 2024
- performance improvements for timeshifted HLS chunklist generation from DVR
4.1.5-2 Sep 04 2024
- support reporting SRT stats for senders & receivers using SRT bonding mode
- support reporting available NDI streams list to the panel
- fixed logging request to sessions.log when access.log is disabled
- some logging improvements
4.1.5-1 Aug 26 2024
- added Nimble API to cleanup items from data cache
- fixed incompatibility with Zixi Broadcaster V17 configuration request
4.1.4-8 Aug 16 2024
- support Signature-Free mode for Publish Control framework
- support keeping original EXT-X-KEY during HLS re-streaming
4.1.4-7 Aug 07 2024
- support storing WebVTT subtitles to DVR
- support sending pre-defined custom parameters in HTTP responses
- fixed issue with high CPU usage in SRT sender using bonding mode
- fixed issue with using 0.0.0.0 address for SRT listener using bonding mode
- some logging improvements
4.1.4-6 Jul 30 2024
- fixed direction indication for LTR languages in WebVTT subs converted from dvb_teletext
- support parsing AV1 sequence header with timing info
4.1.4-5 Jul 17 2024
- support MP2 audio output in server playlist
- support binding to specific network interface for SRT publishers working in bonding mode
- support using empty login/password for application when global login/password is set
4.1.4-4 Jul 04 2024
- support joining AAC audio frames when sending via MPEG-TS UDP/SRT to reduce transport overhead
- some improvements for better DVB subtitles recognition
4.1.4-3 Jun 24 2024
- fixed setting discontinuity sequence in subtitles playlist if Advertizer is enabled
- support reporting 'Amazon Fire TV' as known device/player
- fixed generating JPG thumbnails from DVR with AV1 video
- some logging improvements
- switched to using KeyOS CPIX API v4 due to CPIX Endpoints v1 deprecation
4.1.4-2 Jun 20 2024
- support reporting DVB subs decoder process CPU/RAM usage
- support re-connecting disconnected SRT publishers working in bonding mode
- fixed setting marker bit for FU-A packets in RTSP streams
4.1.4-1 Jun 18 2024
- support converting DVB subtitles to WebVTT (requires Transcoder license)
- support AV1 decoding using NVENC
- some improvements for WebRTC ABR playback
4.1.3-3 May 29 2024
- support aligning DVR segment times (PROGRAM-DATE-TIME) to avoid PDT drifting
- fixed re-creating NVENC encoder on the fly when stream parameters changed
- support setting server_id to Server response header
- fixed sending PD over HTTP/2 when 'enable_pd_for_remote_vod' option is enabled
4.1.3-2 May 20 2024
- some fixes for WEBRTC playback
- support accepting RTMP publishers from proxy using PROXY v1 protocol
4.1.3-1 May 15 2024
- support ABR WHEP playback from Nimble
- some improvements for WEBRTC playback
- fixed setting marker bit for FU-A packets in RTSP streams
- fixed issue with using MP3 file as server playlist input
4.1.2-3 Apr 22 2024
- support indicating current and next server playlist block name in Nimble API output
- support passing StreamUrl from published Icecast stream to Icecast metadata
- support setting return code for clients blocked due to WMSAuth max connections/bandwidth limit
- support using .ts files as an input for server playlist
- fixed crash in case of threads creation failure
4.1.2-2 Apr 08 2024
- support storing KLV metadata to DVR
- support re-loading modified animated GIF and PNG images used as a stream source in Transcoder
4.1.2-1 Apr 01 2024
- support using content from remote HTTP storage as server playlist source
4.1.1-9 Mar 14 2024
- support Cloud DRM service
- fixed issue with parsing HLS key URL from CPIX response
- support setting language code for MPEG-TS output audio track
- performance improvements for DVR archives reloading
- support passing KLV metadata to HLS MPEG-TS streams
4.1.1-8 Mar 06 2024
- support forwarding SCTE-35 markers from input live stream to server playlist output
- support Axinom DRM service
- fixed reporting active Icecast stream title via Nimble API for some cases
4.1.1-7 Feb 28 2024
- fixed re-sending metadata for Icecast using ogg/flac format
- fixed reporting primary pulled SRT URL
- fixed encoder re-creation when switching out-of-process mode
- support using animated PNG as a stream source
4.1.1-6 Feb 26 2024
- support ingesting and streaming Icecast using ogg/flac format
- support decoding FLAC audio (requires upgrading nimble-transcoder package)
- support reporting active pulled SRT URL
- some performance improvements in DVR processing
4.1.1-5 Feb 15 2024
- support generating JPG images playlist for DVR archives
- fixed potential concurrency issue during JPG thumbnail saving to DVR archive
- performance improvements for WHEP clients handing case
4.1.1-4 Feb 01 2024
- fixed issue with RTMP publishing to Twitch
- support screening illegal characters in RTMP stream name to avoid RTMP playback issues
4.1.1-3 Jan 29 2024
- fixed reporting DVR timeline with forward gaps
- fixed processing OPUS audio in passthrough mode in Transcoder
- fixed disconnection of inactive remote SRT publisher
- support reporting remote stream publisher port via Nimble API
- support processing MPEG-TS input streams using H.264 with Access Unit Delimiter
- support indicating Zixi camera publisher IP
- fixed crash in RTMP auth processing when multiple camera threads are used
4.1.1-2 Jan 18 2024
- support passing KLV metadata through Transcoder
- support reporting Zixi Camera (MPEG-TS In) status to WMSPanel
- support using overlay (overlay_qsv) for streams processed with QuickSync
4.1.1-1 Jan 14 2024
- fixed issue with using video input generated from picture with alpha channel
- fixed issue with passing proper immediate SCTE-35 event timestamp to MPEG-DASH manifest
- support reporting RTMP/RTSP live pull uptime to WMSPanel
- fixed incompatibility with Shaka Player playing HLS FMP4 from DVR
4.1.0-9 Jan 08 2024
- support using IPv6 for RTSP TCP-only pulls
- fixed issue with passing SCTE-35 marker via transcoder with failover stream enabled
4.1.0-8 Dec 25 2023
- support using custom URL parameters (e.g. access token) when fetching content from remove VOD storage
- fixed issue with using overlay filter with video input generated from picture
- fixed reporting pulled RTMP/RTSP stream URL when dynamic stream name is used
4.1.0-7 Dec 19 2023
- support reloading updated picture used as a video input
- support listening multiple interfaces for SRT with bonding enabled (requires nimble-srt-1.5)
- support processing AV1 streams in out-of-process transcoder
- fixed issue with processing HEVC streams in out-of-process transcoder
- support indicating Widevine encryption in DRM-protected HLS streams
4.1.0-6 Dec 06 2023
- fixed issue with SVT-HEVC encoder initialization/deinitialization
- additional fix for potential incompatibility issue with OpenSSL 3 (Ubuntu 22.04)
4.1.0-5 Dec 01 2023
4.1.0-4 Nov 24 2023
- support FairPlay encryption for LL-HLS parts
- fixed issue with processing AV1 samples containing empty OBUs
- moved mimeType attribute from Representation to AdaptationSet in MPEG-DASH manifests
4.1.0-3 Nov 20 2023
- support integration with Zixi Broadcaster to receive and send streams via Zixi protocol
- support using single UDP port for WHIP publishers instead of ports range
- support using single UDP port for WHEP players instead of ports range
- support printing WMSPanel API Server ID after server registration in the panel
4.1.0-2 Nov 06 2023
- fixed decoder initialization causing cuvid SIGFPE crash
4.1.0-1 Nov 02 2023
- switch to using nimble-transcoder-1.2.0-1 libraries (nimble-transcoder package upgrade is required)
- support inserting SCTE-35 markers from server playlist
- fixed sending proper Content-Disposition for HTTP/2 clients using "attachment" option
- fixed issue with processing pulled HLS audio-only stream
4.0.3-2 Oct 16 2023
- support generating WebVTT subtitles for streams generated from VOD with server playlist
- support reporting CPU/RAM usage for WHIP & WHEP processors
- support setting SRTO_MAXREXMITBW ("maxrexmitbw") when SRT 1.5.3 is available
- fixed DATERANGE SCTE35-IN marker format to avoid breaking playback on Apple devices
- fixed calculation of bytes lost during WHEP sessions
- fixed rare crash during MPEG-TS camera stats reporting
4.0.3-1 Sep 26 2023
4.0.2-6 Sep 19 2023
- support reporting CPU/RAM usage for Nimble and out-of-process transcoder processes
- support ignoring PPS changes when deciding if HLS discontinuity should be inserted
- increase out-of-process transcoder message queue to avoid frames dropping
4.0.2-5 Aug 25 2023
- fixed issue with running out-of-process transcoder for processing MPEG-TS input streams
- support 'cue-short+oatcls' SCTE-35 markers format for HLS output
4.0.2-4 Aug 21 2023
- fixed processing empty StreamTitle for pushed Icecast streams
- fixed processing SCTE-35 markers for mpeg2video live and DVR streams
- support reporting gaps in timeline within a DVR recording period
4.0.2-3 Aug 08 2023
- support castLabs DRMToday platform
- support working with MP4 files in transmuxer using seek/read operations
4.0.2-2 Jul 31 2023
- support AV1 codec for HLS FMP4/MPEG-TS/SRT/RIST protocols
- support MP4 thumbnail generation for AV1 streams
- fixed running single SRT CBR sender in Listen mode when multipoint listener is disabled
Older release notes are located here.
If you don't see your Nimble Streamer version on this page, we strongly recommend upgrading your Nimble Streamer instance.