Unreal Engine Issues

Sessions Frontend crash when launching the "renderer" automation section without ray tracing enabled

Looks like we only need a way to disable the usage of these tests from running if ray tracing is disabled as they are ray tracing only tests. ...

Sequencer Playlist - Triggering a playlist will crash every other editor on a Multi-user session

[Link Removed] ...

Geometry Collection crashing BP Simulation when set to enable Physics via Event Graph

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Issue does not occur when user Simulates in level viewport, nor when geometry collecti ...

GPU Crash may occur when using Nanite Tesselation on landscape with several shadow casting local lights

The GPU may time out in NaniteSplit when drawing VSM shadows for Nanite Tessellated landscape with in a scene with several local shadowed point lights. The issue doesn't reproduce in 5.6, likely to ...

ODSC - Launching a newly created project via UnrealFrontend fails to load some materials and crashes

The same repro steps on 4.26.2 will launch the project successfully. Packaging a project once to create complete ShaderMaps will work around the issue. ...

IOStore : Packaged game crashes when doing garbage collection right after cancelling async loading by UnloadPrimaryAssetList

Packaged game without IOStore never hits this error. ...

Crash on PIE exit after dynamically enabling and disabling tick functions through the Level Script blueprint.

User reports hitting an assertion due to invalid FTickTaskManager state when game is attempting to unregister a tick function that was previously disabled dynamically. Failed assertion is in FTickT ...

Crash when adding a spawnable volume to a Level Sequence when Draw Brush Polys is enabled in the level editor

Crash after setting a key on a Rotation Track, then trying to right click the key with Transform track collapsed

Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 336 337 if (bHasRotationKeys) 338 { 339 TSharedRef<FStru ...

(Regression) Risk of PostLoad() assert crash in all cooked, nativized builds with async load thread enabled.

This is a regression that was introduced by the fix for [Link Removed]. As a result, we can potentially hit an assert in a cooked, nativized build during async load of a non-nativized Blueprint CDO ...