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22 changes: 10 additions & 12 deletions RELEASE_NOTES.md
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# TypeType 1.2.3
# TypeType 1.2.4

TypeType 1.2.3 is a hotpatch for accelerated YouTube playback that could exhaust SABR media windows and repeatedly restart playback.
## Summary

## Playback
- fix intermittent SABR startup failures when resuming videos from a saved position
- restore reliable audio and video initialization on cold playback sessions
- prevent stalled preparation from retrying indefinitely
- improve recovery when a SABR session cannot produce media

- propagate playback speed continuously through the web SABR contract
- size media and server read-ahead buffers for playback speeds up to 4x
- keep rate-aware SABR preparation bounded during long sessions
- preserve the selected video format during recovery instead of switching codec families
- prevent repeated recovery sessions after seeks when playback is faster than the prepared window
- update the MSE runtime to [`@typetype/mse@0.1.43`](https://www.npmjs.com/package/@typetype/mse/v/0.1.43)
Normal seeks and quality changes continue to preserve the current playback position.

## Updating
No configuration or database migration is required.

Follow the [update guide](https://typetype-video.github.io/Docs-TypeType/self-hosting/maintenance).
Thx to everyone who reported playback and buffering issues.

If necessary, follow the [rollback guide](https://typetype-video.github.io/Docs-TypeType/self-hosting/rollback).
If u want to support TypeType, please share it with others. If u want to support it financially, u can do so through [GitHub Sponsors](https://github.com/sponsors/Priveetee).