Composer 4.11.0

May 19, 2026

Release Notes

  • Improvements for client side tracking for InStream breaks
  • Optimizations to DASH full screen audio encoder

Composer 4.10.0

May 18, 2026

Release Notes

  • DASH improvements for slate insertions
  • DASH updates for greater timing precision
  • Update to tracking logic for Marketplace trackers

Composer 4.9.0

May 13, 2026

Release Notes

  • Support for Marketplace macros
  • Fix for large DASH manifests with BaseURL tags

Composer 4.8.0

May 1, 2026

Release Notes

  • Support BuyDRM/KeyOS integrations
  • Support decryption and re-encryption of DRM-protected content while transcoding ads (KeyOS and Axinom)

Composer 4.7.0

April 27, 2026

Release Notes

  • Improve validations for ad formats returned in VAST extensions
  • Move media playlist URLs from query parameters to session storage
  • Option to call tracking beacons based on segment requests
  • DASH updates for handling multiple periods in an ad break

Composer 4.6.0

April 13, 2026

Release Notes

  • Updates for OMSDK integrations
  • Preserve HLS manifest tags setting
  • Encoding profile matching improvements
  • Optimizations for InStream insertions
  • Optimizations for HLS PDT alignment
  • Manifest fetch timeout configuration setting

Composer 4.5.1

March 10, 2026

Release Notes

  • Support for dynamic POD macro on ad tag requests

Composer 4.5.0

February 27, 2026

Release Notes

  • Improve and optimize HEVC encoding

Composer 4.4.3

February 10, 2026

Release Notes

  • Fixed potential issue in DASH encoder when parsing SCTE data

Composer 4.4.2

February 9, 2026

Release Notes

  • Improved custom DASH period naming
  • Improved handling of distributor SCTE35 events
  • Fix for AES128 decryption in certain encoding scenarios
  • Encoder optimizations

Composer 4.4.1

February 2, 2026

Release Notes

  • Optimizations for ad insertion logic for HLS and DASH
  • Optimizations for HTTP calls to VAST tags
  • Support for - character in dynamic macro replacement

Composer 4.4.0

January 29, 2026

Release Notes

  • DASH updates for supporting all ad formats in SCTE UPID payloads
  • Precision improvements for ad break insertions in Transmit Console
  • Optimizations to ad encoder performance for InStream formats
  • Forward all response headers from the content origin for HLS and DASH
  • Follow redirects in all cases for HLS manifests
  • DASH timing updates to improve playback performance and A/V sync issues
  • Fix for DRM encoding override streams that use header authentication
  • Improved ad encoder support for dynamic manifest rendition parameters

Composer 4.3.5

December 16, 2025

Release Notes

  • Updates for custom auth configurations to auto-detect certain params from incoming manifest requests

Composer 4.3.4

December 3, 2025

Release Notes

  • Coordinate and optimize the ad request logic for VOD using HLS across various renditions.
  • Enhance support for custom mutual TLS (mTLS) in ad request calls.
  • Automatically eliminate duplicate creatives across various advertising decision tiers; however, do not automatically remove duplicate responses within the same tier.

Composer 4.3.3

December 2, 2025

Release Notes

  • Optimize HTTP connection pool and timeouts for variable length response times

Composer 4.3.2

November 10, 2025

Release Notes

  • Pick first IP address when replacing __IP_ADDRESS_ESC__ macro on ad server calls

Composer 4.3.1

October 28, 2025

Release Notes

  • Fix DASH InStream insertion at period boundaries when no SCTE event present
  • Memory usage updates
  • Stop processing VAST ad tags once break duration reached in all cases

Composer 4.3.0

October 22, 2025

Release Notes

  • Ensure ad tag tier ranking order
  • Improve handling of invalid source manifest response bodies and status codes
  • Improve segment length compatibility for AAC format renditions
  • Improve tracking of empty vast tag responses

Composer 4.2.0

October 13, 2025

Release Notes

  • Improvements to VAST spec compatibility by ensuring unwrapped CDATA is parsed correctly
  • Ensure InStream encoders don't use partial manifest responses to find content segments

COMPOSER v4.1.1

July 31, 2025

Release Notes

  • Support for passing break data via query params for static HLS and DASH VOD manifests.

COMPOSER v4.1.0

July 14, 2025

Release Notes

  • Improved VOD support and compatibility for HLS and DASH manifests.
  • Composer UI updates for VOD break configurations and monitoring.
  • Improvements for DASH timing issues for multi-period manifests when break durations don't align completely within a period or overlap multiple periods.