Unreal Engine Issues
Unreal Engine Issues
TAssetPtrs are not properly fixed up in client PIE instances
Tools - Aug 18, 2015Contrary to the linked UDN question, this doesn't seem to require the actor to be replicated. The problem is that when UWorld::DuplicateWorldForPIE is called for a PIE client instance's persistent ...
Integrate fix for improper failure case for allocation of RenderTargets in Oculus
UE - Platform - XR - Feb 6, 2017CL 3278583 contains a fix for improper failure state allocation of render targets, which causes intermittent crashes when the HMD is unplugged or has a power interruption. This CL fixes the crash ...
Inherited component properties on actor instances of derived blueprints are silently reset to defaults when the blueprint enters a compile error state and is subsequently fixed
UE - Framework - Blueprint Compiler - Mar 6, 2026When an instance of a child blueprint in a level enters the “Bad Blueprint” state due to a compile error it will reset to default values when it is restored after the compile error has been fixed. ...
Icons appear incorrectly for windows 10 in packaged games
UE - Foundation - Build - Rocket (Installed Engine) - Oct 6, 2016Icons appear incorrectly for windows 10 in packaged games. Another default image shows as the game icon in the task bar instead. ...
Crash While Running Project With d3ddebug Enabled (fix provided)
UE - Graphics Features - Mar 6, 2017A licensee encountered a crash during InjectTranslucentLightArray: according to them they fixed the issue in ShadowProjectionCommon.usf: /** Cube map texture. */ TextureCube<float> ShadowDepthCub ...
iOS will not package or launch on Win 10 machine
UE - Platform - Mobile - Sep 23, 2015Launching or packaging for iOS does not work on our Windows 10 machine however we are able to package and launch onto iOS devices from Windows 7 machines. Using the File > Package > iOS option with ...
Enabling Fixed Frame Rate doesn't Lock the Frame Rate
UE - Rendering - Architecture - RHI - Nov 19, 2019When a project is set to use a fixed frame rate via the Project Settings it is uncapped when played in editor. Found in 4.24 Preview 2 CL#10091930 Reproduced in 4.25 Main CL#10298106 ...
Using a fixed frame rate will cause you to leave the loop section of Montage.
UE - Runtime - Animation - Dec 10, 2021This problem only occurs when the fixed frame rate is 30 and the Sequence Lenngth of the loop animation is 1.66667. If turn off the fixed frame rate setting, it will behave as it should. ...
Renamed controls creating duplicate curves in sequencer that once fixed up cause selection issues.
UE - ACT Character - Control Rig - Mar 25, 2026When a control is renamed after it has already been animated in a sequence, the control curve name map needs to be fixed up. Once it is fixed, selecting the control in the world will not map the sel ...
Integrate VirtualBones crash fix into next release patch
OLD - Anim - Jun 7, 2017Athomas reached out to me with a crash he was having when trying his 'Automatic Sync Marker AnimModifier' on a Skeleton that had Virtual Bones. It was verified that this only happens when Virtual B ...