Unreal Engine Issues
Unreal Engine Issues
Failed to generate Nanite data for mesh with bDoFastBuild enabled
UE - Graphics Features - Nanite - Oct 1, 2025If "bDoFastBuild" is enabled on a Static Mesh asset, in-editor it will never be able to have Nanite data built for it, preventing the Static Mesh from using Nanite. There is no way to fix this issu ...
Changes to code during a compile are not registered if compile is canceled/restarted
UE - Foundation - Cpp Tools - UnrealBuildTool - Jul 31, 2015While the editor is compiling a hot reload, if project code is changed and the compile is canceled, code changes are not reflected upon next editor compile. ...
Hot Reload changes actor focus from a component to its root
Tools - Mar 10, 2015When a hot reload occurs in the editor, if the component of a placed actor is selected then focus will switch from the component to the actor's root. This can be confusing when the root is a code c ...
iOS Multiplayer Join Session does not function.
UE - Platform - Mobile - Aug 18, 2016iOS Game Center multiplayer create session does not function or crashes app. ...
Settings related to Supported Agents are not saved in the DefaultEngine.ini
Tools - Aug 25, 2015All entries in the Project Settings window are suppose to be saved in the DefaultEngine.ini file. This does not occur for settings related to Support Agents such as Can Walk, Can Crouch, etc. Note: ...
Shooter Team Start's "Spawn Team" and "Not For Bots/Players" Options Not Working
Docs - Samples - Feb 25, 2016When using a Shooter Team Start to set up team spawns in Shooter Game, enabling the Not for Bots, Not for Players, or the Spawn Team options don't seem to have an effect, as both the players and bot ...
2 GB/hr Memory Leak on levels that are not enclosed
UE - Graphics Features - Feb 19, 20162 GB/hr Memory Leak on maps with no Sky Sphere or Atmospheric Fog to occlude empty space. The leak also occurs during general usage, but was tested with a blank project and an absolutely blank leve ...
Can't save BPs after stopping automation tests
UE - Automation Test - Jan 5, 2018User reported that they are unable to save assets after running tests: https://answers.unrealengine.com/questions/742429/cannot-save-or-change-assets-after-running-a-autom.html ...
Linked Anim Graph With Mesh With Post Process BP Has Faster Animation Playrate
OLD - Anim - Jan 20, 2020When an animation blueprint is using the "Linked Anim Graph" node and it's skeletal mesh has a post process animation blueprint the animation is played at the wrong playrate. Linked Anim Graphs wer ...
[CrashReport] UnrealEditor-AnimGraph!UAnimGraphNode_Base::GetAnimBlueprint() [AnimGraphNode_Base.h:306]
UE - Anim - Sequencer - May 16, 2022Generated from CrashReporter ...