Unreal Engine Issues
Unreal Engine Issues
Tick functions are skipped on the first frame in package build and standalone PIE
UE - Gameplay - May 19, 2025It's reported that all Tick functions are skipped on the first frame when running in packaged builds and standalone PIE. This is because both TickVisitedGFrameCounter and GFrameCounter are initializ ...
[CrashReport] UE4Editor_LevelEditor!FLevelEditorContextMenu::FillMenu() [leveleditorcontextmenu.cpp:178]
Tools - Aug 15, 2017This is a trending crash coming out of the 4.17.0 release User DescriptionsIt Stopped when I tried to place a mesh in thrid person. Source Context 164 if (GEditor->GetSelectedComponentCou ...
[CrashReport] Assertion failed: SizeX <= GetMax2DTextureDimension() in d3d11texture.cpp
UE - Graphics Features - Aug 22, 2017This is a common and longstanding assertion that has occurred since at least the 4.13 release. User DescriptionsI was messing with a sequencer's camera settings (not playing back, but active) and c ...
Starter Content's "P_Explosion" does not successfully convert to a Niagara System - incorrect loop, spawn, sprite size, and collision behaviors
UE - Niagara - Cascade - Mar 17, 2022Starter Content's "P_Explosion" does not successfully convert to a Niagara System - incorrect loop, spawn, sprite size, and collision behaviors Changes needed for / issues found with each emitter:A ...
Character velocity is registered while walking against physics objects and vehicles
UE - Gameplay - Jan 28, 2016Character velocity is registered while walking against physics objects and vehicles User description: I'm trying to rely on velocity to know when an actor is moving so that i can stop the walking ...
SignedArchiveReader may request wrong number of chunk blocks
UE - CoreTech - Oct 25, 2022This problem is caused by an incorrect calculation of the number of chunks in the read request. Here is the workaround applied by the licensee : int64 FSignedArchiveReader::PrecacheChunks(TArray<F ...
Crash when interacting with an Actor containing an Instanced Static Mesh that is in a Locked level
UE - Editor - Workflow Systems - Mar 30, 2023This is not a regression. Tested in //UE5/Release-5.1 CL23901901 Editor crashes with an assertion after interaction with an Instance Static Mesh component that is in a locked level. This doesn't af ...
Target Rotation of Physics Handle doesn't register and can't be manipulated on tick
UE - Gameplay - May 26, 2016Target Rotation of Physics Handle doesn't register and can't be manipulated on tick User Description: I mentioned some versions before that rotation of Physics Handles is broken and now it is even ...
Static/stationary child actor components are invisible and/or move position when placed inside a dynamically loaded level
UE - Framework - Components - Oct 31, 2024When loading a non-world partitioned level into a persistent world partitioned level, parent actors with child actor components within the loaded map will move position or become invisible. Within t ...
OnHit not firing when capsule collider passes onto very close and same height mesh
UE - Simulation - Physics - Sep 10, 2019When a capsule collider passes from the top of one piece of geometry to another that is very close the OnHit event doesn't fire. I have attached a project that demonstrates the issue in 4.23. A vid ...