Bug 1979279 Comment 0 Edit History

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Original comment by

Max Inden

on 2025-07-25 02:05:48 PDT

Upstream release pull request: https://github.com/mozilla/neqo/pull/2783

Revision 1 by

Max Inden

on 2025-07-25 02:07:34 PDT

Seeing high QUIC packet loss on Windows since Neqo v0.14.0 landed.

https://glam.telemetry.mozilla.org/firefox/probe/http3_loss_ratio/explore?activeBuckets=%5B%220%22%2C%221%22%2C%222%22%2C%224%22%2C%223%22%2C%225%22%5D&os=Windows&process=parent&visiblePercentiles=%5B95%2C75%2C50%5D

Revision 2 by

Max Inden

on 2025-07-25 02:14:06 PDT

Seeing high packet loss on QUIC connections on Windows since Neqo v0.14.0 landed.

See following graph. Note sharp uptick in 95th percentile on 2025-07-14 from ~0.5% packet loss to ~6.5% packet loss, same day as Bug 1975873 landed.

https://glam.telemetry.mozilla.org/firefox/probe/http3_loss_ratio/explore?os=Windows&process=parent&visiblePercentiles=%5B95%2C75%2C50%5D

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