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docs: add media-server 3.4.0 and 3.4.1 release notes#728

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docs: add media-server 3.4.0 and 3.4.1 release notes#728
bcostdolby wants to merge 3 commits into
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devin/1783471144-media-server-3.4.0-3.4.1-release

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@bcostdolby

@bcostdolby bcostdolby commented Jul 8, 2026

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Summary

Adds public changelog entries for the media-server 3.4.0 (2026-07-03) and 3.4.1 (2026-07-08) releases to millicast/changelog/changelog-dolbyio-platform-media-server.md. Release dates match the v3.4.0/v3.4.1 tags in millicast/media-server.

Internal-only items (Redis client upgrade + streams migration, cert-updater/disk-space/CI/logrotation/Kafka-schema infra work, internal stability fixes) were intentionally excluded from the public changelog. Curated customer-facing entries:

3.4.1

3.4.0

  • Features: H265 (HEVC) over SRT re-stream; native silent audio generation for RTMP re-stream when the source has no audio track.
  • Fixes: improved re-stream error messages; fixed missing re-stream media stats; general stability/reliability improvements.

Prettier check-format passes on the edited file.

Link to Devin session: https://dolby.devinenterprise.com/sessions/990834b1b4d2478e9f7184c7bf5448f9
Requested by: @bcostdolby


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Co-Authored-By: Brendon Costa <brendon.costa@dolby.com>
@bcostdolby bcostdolby self-assigned this Jul 8, 2026
@bcostdolby bcostdolby requested a review from a team as a code owner July 8, 2026 00:39
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✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no bugs or issues to report.

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#### Fixes

- Applied the latest security patches by updating the operating system kernel, Node.js packages, and third-party dependencies.

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No need to include this information in external release notes. Please remove

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Removed the security patches line from the 3.4.1 notes.

#### Fixes

- Applied the latest security patches by updating the operating system kernel, Node.js packages, and third-party dependencies.
- Improved connection stability by preventing idle internal connections from timing out unexpectedly.

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Remove the word unexpectedly

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Removed "unexpectedly".

Co-Authored-By: Brendon Costa <brendon.costa@dolby.com>
@bcostdolby

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Lets also update any docs in addition to the changelog.

Are there any restream docs we need to update to indicate new compatability?

Co-Authored-By: Brendon Costa <brendon.costa@dolby.com>
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Yes — the re-streaming guide previously stated only H.264 was supported. Updated millicast/distribution/re-streaming.mdx for the 3.4.0 H.265 SRT re-stream feature:

  • Added H.265 (HEVC) for SRT destinations to the supported-codecs list.
  • Updated the "Re-Stream codec support" troubleshooting note: H.264 for all destinations, H.265 (HEVC) additionally for SRT.

I scoped H.265 to SRT (not RTMP) since the release feature was specifically "H265 SRT Restream". Let me know if RTMP/enhanced-RTMP should also be mentioned, or if there are other docs (e.g. publishing parameters) you'd like updated.

The native silent-audio-for-RTMP-restream change (3.4.0) is internal behavior with no doc-facing config, so I left the docs unchanged there — happy to add a note if you'd prefer.

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