# mediasoup 3.11.14 released (fixes important crash in RTP retransmission buffer)

**URL:** <https://mediasoup.discourse.group/t/mediasoup-3-11-14-released-fixes-important-crash-in-rtp-retransmission-buffer/5074>\
**Category:** Announcements\
**Created:** [March 20, 2023, 4:31pm UTC](https://mediasoup.discourse.group/t/mediasoup-3-11-14-released-fixes-important-crash-in-rtp-retransmission-buffer/5074 "2023-03-20T16:31:47Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![ibc](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/ibc/32/1540_2.png) [@ibc](https://mediasoup.discourse.group/u/ibc)\
**Post date:** [March 20, 2023, 4:31pm UTC](https://mediasoup.discourse.group/t/mediasoup-3-11-14-released-fixes-important-crash-in-rtp-retransmission-buffer/5074/1 "2023-03-20T16:31:47Z")

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mediasoup 3.11.14 has been released and comes with a new `RTC::RetransmissionBuffer` class (in C++ side) which, among other improvements, fixes an important crash:

- PR: [https://github.com/versatica/mediasoup/pull/1023](https://github.com/versatica/mediasoup/pull/1023)
- Issue fixed: [https://github.com/versatica/mediasoup/issues/975](https://github.com/versatica/mediasoup/issues/975)

Upgrade is highly recommented.

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**Author:** ![BronzedBroth](https://avatars.discourse-cdn.com/v4/letter/b/ad7895/32.png) [@BronzedBroth](https://mediasoup.discourse.group/u/BronzedBroth)\
**Post date:** [March 21, 2023, 12:25pm UTC](https://mediasoup.discourse.group/t/mediasoup-3-11-14-released-fixes-important-crash-in-rtp-retransmission-buffer/5074/2 "2023-03-21T12:25:33Z")

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I’m still on 3.10.8, I’ve been lazy how far back does this issue go? What was exactly happening?

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**Author:** ![ibc](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/ibc/32/1540_2.png) [@ibc](https://mediasoup.discourse.group/u/ibc)\
**Post date:** [March 21, 2023, 12:39pm UTC](https://mediasoup.discourse.group/t/mediasoup-3-11-14-released-fixes-important-crash-in-rtp-retransmission-buffer/5074/3 "2023-03-21T12:39:34Z")

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I cannot explain better than in the referenced fixed issue: [https://github.com/versatica/mediasoup/issues/975](https://github.com/versatica/mediasoup/issues/975)

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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mediasoup/original/2X/b/b318c4d3397e65af9535f79c605b80b9ceb066c8.png) [@system](https://mediasoup.discourse.group/u/system)\
**Post date:** [March 22, 2023, 4:32pm UTC](https://mediasoup.discourse.group/t/mediasoup-3-11-14-released-fixes-important-crash-in-rtp-retransmission-buffer/5074/4 "2023-03-22T16:32:09Z")

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