UUM-2612

Fixed in 2021.3.15f1

Mentioned in 1 Unity 2021 LTS release note.

First fixed in 2021.3.15f1 (Dec 1, 2022).

All (2)Unity 2021 LTS (1)Unity 2020 LTS (1)
Open on Unity Issue Tracker
VersionSectionRiskImpactNote
2021.3.15f1Fixes
Kernel
FixMoved "Sending message header failed (0)" into internal logs to not spams developers.

Pick your Unity version

Unity Releases compares releases against the version your project is on. Picking it now keeps Compare versions focused on what changes between where you are and where you might be going.