[CrashReport] Cooking Commandlet crash - FAsyncWriteWorkerWithSplitExports::DoWork() [savepackage.cpp:563]

UE - Foundation - Core - Cooker - Aug 21, 2017

This is a regular commandlet crash that has occurred since at least 4.15. Source Context 543 IFileManager::Get().SetTimeStamp(*Filename, FinalTimeStamp); 544 } 545 } 54 ...

Editor becomes unresponsive for long periods between edits of a user-defined enum type when it's referenced by one or more user-defined struct types.

UE - Gameplay - Blueprint - May 17, 2021

After adding a member to a user-defined struct type and changing the member type to a user-defined enumeration, repeated edits to that enumeration will eventually cause the editor to become increasi ...

PSO Creation hangs on task in Shipping build

UE - Rendering Architecture - RHI - Nov 27, 2023

Running with `r.AsyncPipelineCompile=0` causes the issue not to happen. It fails to open about 4 times out of 5. No such problem in development build., it always succeeds. We noticed that if we de ...

Edit shared defaults for multiple blueprints leads to Engine crash.

UE - Gameplay - Blueprint - Jun 20, 2017

Changing any value in Edit shared defaults window with multiple blueprint assets leads to Engine crash. This is a regression from 4.16 ...

Moving the Material Node for Starter Content Materials within the Editor Graph will increase the Texture Sample Count

UE - Graphics Features - Apr 27, 2016

The issue occurs when you simply move the material node itself and click the 'Apply' button to begin compiling shaders. Once it has completed, the number of texture samples increases for the Stats a ...

[CrashReport] UE4Editor_BlueprintGraph!BlueprintActionFilterImpl::IsEventUnimplementable() [blueprintactionfilter.cpp:588]

UE - Gameplay - Blueprint - Jun 1, 2016

This crash has been reported through the 4.12 Previews and is continuing to occur in the 4.12.0 release. Additional information about this crash is not available at this time, however it may be the ...

Unable to find files in packaged HTML5 build

UE - Platform - Mobile - Jun 16, 2015

Any build after the first fails to start in the browser, this happens with new projects as well. He also included his project on the AnswerHub thread and it's downloaded onto my computer if he delet ...

Remote building for iOS and tvOS does not properly remove files from previous builds causing compile failures

UE - Platform - Mobile - Mar 21, 2017

Remote building for iOS/tvOS is leaving behind generated files which can cause various compile issues when creating different projects in different streams with the same name (MyProject, MyProject1, ...

Compiling a Blueprint class resets the actor label in the World Outliner for all instances of that class.

UE - Editor - Workflow Systems - Aug 19, 2021

Any instances of a Blueprint class that were given a custom label in the World Outliner will have their labels reset to the object instance name whenever that Blueprint class is recompiled. The lab ...

[CrashReport] Crash in PHAT on LeftMouse click while moving ragdoll asset during Simulate

UE - Simulation - Physics - Oct 25, 2017

Crash occurs in the updated Physics Asset Editor if you LeftClick while moving a ragdolled asset during Simulation. This is a regression from 4.17.2 User Descriptionsin the new physics asset edit ...