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Version: v2

Changelog

[11.8.0] - 2026-07-29​

  • Added Dolby Atmos encoding
  • Added Dolby Vision Profile 8.1 output
  • Fixed language tags in HLS manifests not following the standard (e.g. en should be used instead of eng)
  • Fixed HLS SDR variants missing the video range declaration that players require when HDR variants are also offered
  • Changed an ingest that connects but sends no data to be treated the same as an ingest that does not connect: the channel stays in the waiting state instead of showing an error, and stops after the ingest timeout

[11.7.2] - 2026-07-22​

  • Fixed MPEG-TS ingests failing when the initial PMT does not announce all tracks yet (e.g. audio only), which are completed by a later PMT update

[11.7.1] - 2026-07-13​

  • Fixed the S3 DVR and VOD root manifests being written without video codecs in CODECS at stream start

[11.7.0] - 2026-07-13​

  • Added an HLS SCORE attribute so players prefer H.265 renditions over H.264 when they can decode them
  • Added support for DVB-TTML on ingests to generate captions for distribution
  • Added the ability to auto-generate captions and translations
  • Fixed HLS variants referencing a CLOSED-CAPTIONS group when no captions are configured
  • Fixed various HLS DVR issues with channels stopping and starting with ABR ladder changes in between
  • Fixed an issue where the stream would be stuck on large DTS jumps in the ingest

[11.5.2] - 2026-07-01​

  • Fixed ingest failing for high-bit-depth or 4:2:2 sources (e.g. H.264 High 4:2:2 10-bit)

[11.5.1] - 2026-06-17​

  • Enabled the PlayReady key system by default

[11.5.0] - 2026-06-16​

  • Added BT.709 SDR to HDR10 conversion following the Dolby + MovieLabs best practices
  • Carried custom in-stream metadata as ID3
  • Exposed the active codec in the CMSD header
  • Added CODECS attribute to the HLS multivariant playlist
  • Added support for H.265 HLS
  • Added support for NVIDIA (NVENC) hardware encoding / decoding
  • Fixed duplicate per-frame closed-caption SEI when encoding below the source frame rate
  • Fixed SCTE-35 segmentation descriptor parsing failing when optional sub-segment fields are absent
  • Fixed Nielsen ID3 emsg event duration
  • Stopped the engine going into Error state when the ingest is not available yet

[11.4.0] - 2026-06-08​

  • Added support for single ingest
  • Fixed metric updates lagging behind and being dropped
  • Fixed the bitrate metric being reported too high
  • Fixed metrics stopping permanently after an interruption

[11.3.0] - 2026-05-19 (unavailable)​

  • Added targetBuffer to HESP manifest
  • Added holdBack to HLS media playlists
  • Added support for packaging multiple frames per chunk in HESP
  • Added support for SEI metadata to EMSG metadata conversion
  • Added support for single ingest
  • Added margin to bandwidth in HESP manifest

[11.1.0] - 2026-04-20​

  • Added support for PlayReady
  • Added support for DRM with both CENC and CBCS encryption

[11.0.0] - 2026-04-07​

  • Fixed MPEG-TS HLS not returning 404 when sub playlists do not exist yet

[10.13.0] - 2026-03-31​

  • Added image overlay support
  • Fixed MPEG-TS HLS not returning 404 when sub playlists do not exist yet

[10.12.1] - 2026-03-26​

  • Made protection optional in the HESP manifest instead of returning an empty one when no DRM is configured

[10.12.0] - 2026-03-06​

  • Allowed enabling / disabling of individual protocols
  • Optimized encode of HLS when HESP is disabled
  • Improved quality of de-interlacing
  • Improved quality of video scaler
  • Disabled PlayReady

[10.9.0] - 2026-01-30​

  • Initial changelog