Unreal Engine Issues
Unreal Engine Issues
Rounding errors are present in FJsonValue::TryGetNumber(int64&) and FMath::RoundHalfFromZero()
UE - Foundation - Core - Mar 8, 2019A licensee reported a bug in rounding of a call to FJsonValue::TryGetNumber(int64&) with large values. In investigating this, it appears that equivalent problems also exist in FMath:: rounding func ...
Huge performance hit when recording a demo (demorec)
UE - Networking - Jun 3, 2019The current engine version (4.22) seems to suffer a huge performance hit when using the demo recording (demorec) feature. This issue is present in both the editor and the packaged game (developer bu ...
The screen will be darker than other platforms(Android,PC/Mac preview) on IOS if both MSAA and MobileTonemapperFilm enabled
UE - Platform - Mobile - May 16, 2019[Image Removed] [Image Removed] [Image Removed] [Image Removed] ...
Adding an entry to arrays within Details Panels automatically collapses expanded entries
UE - Rendering Architecture - Materials - Apr 3, 2019Adding an element to an array in the Material Editor automatically collapses all expanded elements in the array. I've successfully reproduced this issue with the following nodes:LandscapeGrassOutput ...
Sequencer Attach track appears more offset than expected when using override instance data
UE - Anim - Sequencer - Jun 12, 2019When using an attached track in combination with enabling override instance data it appears as though the object used in the attached track is offset more than expected (appears to be by roughly dou ...
Sequencer sets max FPS when a Sequence is played after being paused if it's locked to the display rate
UE - Anim - Sequencer - Jun 10, 2019When playing a sequence the engine's max FPS will be saved in a temp value. If the sequence is paused and played that temporary value will be overwritten with the sequence's value. When restoring th ...
The engine crashes when adding a new brush at newly created level by a specific way.
UE - LD & Modeling - Modeling Tools - Mesh Editing - Jun 17, 2019issuesFBSPOps::csgAddOperation returns null if BuilderBrush has no valid polys.The creating level on content browser never calls "UEditorEngine::InitBuilderBrush(NewWorld);". But "New level" button o ...
Arrays of Soft Object local variables are not captured for reference graph
UE - Gameplay - Blueprint - May 20, 2019This bug comes from https://udn.unrealengine.com/questions/492861/view.html and is a very similar problem to [Link Removed] The issue is that the code that harvests soft object references stored in ...
Fbx re-import material issue on LOD 1 and more
UE - Editor - Content Pipeline - Import and Export - May 13, 2019When the material order of embedded fbx LOD change differently in LOD 0 and LOD 1, the LOD 1 is wrongly assign when re-importing. ...
Decals not captured in environment reflections
UE - Graphics Features - May 2, 2019Decals are not being captured by environment reflections. Last working in 4.20.3 ...