Crash when using merge actor on static meshes that have been affected by simplygon

UE - Gameplay - Oct 5, 2016

Crash when using merge actor on static meshes that have been affected by simplygon ...

Assertion in a packaged build when Light propagation volume is set to 1

UE - Graphics Features - Sep 1, 2017

Assertion in a packaged build when Light propagation volume is set to 1 ...

Failed to build in Github UE4.27.0.

UE - Simulation - Physics - Aug 30, 2021

Failed to build UE4.27.0 with Win64/Development Editor.  Can avoid this error that excluding the project from build configuration. (Solution UE4->Properties->Configuration Properties->Configuratio ...

Cable Actor becoming stiff when bound to two dynamic objects

UE - Simulation - Core - Jun 1, 2023

the cable actor does not dynamically deform when the cable actor's parent mesh moves. Instead, the cable actor becomes rigid between the meshes it's bound between. This bug does not occur in the fo ...

[CrashReport] UE4Editor_Foliage!operator<<() [foliageinstancebase.cpp:93]

UE - World Creation - Worldbuilding Tools - Foliage - Jul 5, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Fatal error: [Link Removed] [Line: ...

LevelSnapshots affect level visibility when restoring snapshot

UE - Virtual Production - Tools - Level Snapshots - Nov 2, 2023

Slack thread [Link Removed] ...

SVN 1.9 binaries aren't built to support SASL

Tools - Oct 4, 2016

When the binaries for SVN were updated to version 1.9, they may have not been built to support SASL encryption. This is inconsistent with the old binaries, which did support SASL. ...

The order of Actors assigned to a Physics Constraint affects the simulation

UE - Simulation - Physics - Jun 8, 2018

The order in which actors are listed on a physics constraint affects the physics simulation. This should not make any difference in how the physics are simulated. Regression?: No This occurred in ...

Switching CanEverAffectNavigation on a Dynamic Obstacle Leaves Original Area Behind

UE - AI - Sep 15, 2016

When setting Can Ever Affect Navigation to false, moving it, and then setting it back to true, the originally affected area remains, and it also creates a new affected area. This occurs each time y ...

Several issues with 4.25.1 and Win 7

UE - Graphics Features - Jun 22, 2020

Users are reporting issues with the 4.25.1 hotfix and Win 7, including running cooked builds and the editor crashing: https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1755531 ...