This release adds 2 notable features for engineering teams evaluating rollout.
✓ No known CVEs patched in this version
Topics
ReleasePort's take
Moderate signalv10.11.9 fixes UserManager session concurrency after EFCore refactor. Video codec enhancements include HDR10 support, av1_amf rate control fix, and H.264 decoder optimization.
Why it matters: Test concurrent user session handling before upgrading deployments. Codec improvements support transcoding workloads; validate HDR10 and H.264 decoder changes in test environments.
Summary
AI summaryFixed UserManager after EFCore refactor, improving session concurrency handling.
Changes in this release
| Type | Severity | Summary | CVE |
|---|---|---|---|
| Feature | Medium |
Allow HDR10 for VPP tonemapping Allow HDR10 for VPP tonemapping Source: granite4.1:8b-q6_K@2026-05-21 Confidence: high |
— |
| Performance | Medium |
Use strict QSV CPB size for less powerful H.264 decoder Use strict QSV CPB size for less powerful H.264 decoder Source: granite4.1:8b-q6_K@2026-05-21 Confidence: high |
— |
| Bugfix | Medium |
Fix rate control in av1_amf encoder Fix rate control in av1_amf encoder Source: granite4.1:8b-q6_K@2026-05-21 Confidence: high |
— |
| Bugfix | Medium |
Fix UserManager after EFcore refactor Fix UserManager after EFcore refactor Source: granite4.1:8b-q6_K@2026-05-21 Confidence: high |
— |
| Bugfix | Medium |
Update log for user session related concurrency update fails Update log for user session related concurrency update fails Source: granite4.1:8b-q6_K@2026-05-21 Confidence: high |
— |
Full changelog
:rocket: Jellyfin Server 10.11.9
We are pleased to announce the latest stable release of Jellyfin, version 10.11.9! This minor release brings several bugfixes to improve your Jellyfin experience. As always, please ensure you take a full backup before upgrading!
You can find more details about and discuss this release on our forums.
Changelog (5)
📈 General Changes
- Fix rate control in av1_amf encoder [PR #16819], by @nyanmisaka
- Fix UserManager after EFcore refactor [PR #15368], by @JPVenson
- Update log for user session related concurrency update fails [PR #16845], by @JPVenson
- Allow HDR10 for VPP tonemapping [PR #16718], by @gnattu
- Use strict QSV CPB size for less powerful H.264 decoder [PR #16743], by @nyanmisaka
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