Unreal Engine Issues
Unreal Engine Issues
Adjusting Agent Radius in RecastNavMesh causes AI to not move
UE - AI - Sep 9, 2015Adjusting the RecatNavMesh in a map can cause the AI to not move when simulating or playing in viewport. Setting it back to the default value does not fix the issue. I can only reproduce this with ...
Transform track can't be edited for Spawnable empty actor in Sequencer
UE - Anim - Sequencer - Oct 2, 2017Transform track for a spawnable Empty Actor always shows 0, 0, 0 and it can't be edited. I could repro this in 4.17.2 and 4.18 Preview 2. This does not happen in 4.15.3 and 4.16.3. So this could b ...
Crash opening a structure with a circular reference
UE - Gameplay - Blueprint - Oct 23, 2017Typically users are unable to select a structs that reference each other but I was able to find a way around this by manipulating the Do Not Save functionality when closing the editor. Not a regres ...
Launching a packaged game will cause it to open on the leftmost monitor, ignoring your primary monitor
Tools - Jan 17, 2018A licensee has reported that opening a packaged game in 4.18 and onward will cause the packaged game to appear on their left most monitor, rather than their primary monitor. This was not the case in ...
Editor crash when Landscape Comp. LODBias set to value greater than 0
UE - LD & Modeling - Terrain - Landscape - Mar 20, 2018When LODBias for a landscape component is set to anything greater than zero, the editor will crash. Reproduced in 4.19.0 CL 3944462 and 4.20 Main. Not able to be reproduced in 4.18.3 CL 3832480. T ...
Error during packaging if nativizing a blueprint that contains a TMap with TSubclassOf as a key
UE - Gameplay - Blueprint - Jun 28, 2018Packaging with with a nativized blueprint that contains a TMap with a TSubclassOf pointer as a Key causes errors, causing the packaging attempt to fail. Regression?: No Compiling the code for the T ...
Crash upon trying to add a variable to a struct array when the details panel is locked
Tools - Jul 12, 2018Attempting to add a new element to a struct array through the details panel when the panel is locked results in a crash. Regression?: No This issue did not occur exactly the same way in 4.18, but t ...
An event with Soft Class Reference as an input that is not set causes package to fail with Nativization
UE - Gameplay - Blueprint - Jul 25, 2018Having a custom event with an empty Soft Class Reference as an input causes packaging to fail if nativization is enabled as the event nativizes with a const TSoftClassPtr<>& and the compiler cannot ...
AttachToComponent replication snapping to position instead of keeping relative location
UE - Networking - Feb 15, 2019When using AttachToComponent at runtime, the attachment does not replicate properly for some clients. The relative transform/rotation is not maintained. The user who reported this issue mentioned th ...
NumNonClothingSections logic is bad
UE - Editor - Content Pipeline - Datasmith - Jul 26, 2019We use the NumNonClothing section number to iterate in the sections, this is an error if the cloth sections are not at the end of the sections array. See the following picture of a search on NumNonC ...