Unreal Engine Issues
Unreal Engine Issues
Depth reading features on devices without framebuffer fetch are relying on undefined behaviour.
UE - Platform - Mobile - Oct 26, 2016For devices without framebuffer fetch we are relying on undefined behaviour for depth reading with decals, mod shadows and depth reading materials. (ES2 spec: 3.8.6 Texture Framebuffer Attachment). ...
Native gameplay tags in plugins are cleared when reading config files
UE - Gameplay - Aug 14, 2024When references to Gameplay Tags are loaded, it checks to see if they are already registered. If they are not already registered, it will notice it is invalid and may print a warning depending on th ...
OnActive Gameplay Cues not activating properly in standalone
UE - Gameplay - Nov 28, 2016This was reported from https://udn.unrealengine.com/questions/323255/bugfix-onactive-not-triggering-for-gameplaycues-on.html In some case it looks like OnActive gameplay cues are not working proper ...
Editor crash on level load when bUseActorFolders is true after dragging Actor into another folder in the Outliner
UE - World Creation - Worldbuilding Tools - OFPA - Mar 7, 2023From licensee: Hello! Our level streaming setup enables the bUseActorFolders on our levels. When moving the Actor into another folder via the Outline, the editor will crash on the next load Assert ...
Physics Constraints have unexpected behavior when used on nested static mesh components
UE - Simulation - Physics - Jul 5, 2017Physics Constraints have unexpected behavior when used on nested static mesh components. Simulating inside of the blueprint has a similar effect to what is expected but when the BP is added to the l ...
Level cannot save when compile setting is changed on blueprint present in level
UE - Gameplay - Blueprint - Aug 21, 2017When using a project that has a blueprint in a level when the project is created, there is an issue that is occurring when you modify the compile settings and attempt to save the level There is an e ...
Interpolators of Particle Dynamic Parameters Need "nointerpolation".
UE - Niagara - Aug 1, 2019Regardless Niagara or Cascade, dynamic parameters for particles are passed to pixel shaders from vertex shaders via InterpolantsVSToPS. It can cause a precision error on some materials, for example ...
RVT output from Landscape Height gets incorrect mip cache loaded
UE - Graphics Features - Oct 13, 2021I test it for more information for your reference:It happens only when a Landscape *Height *was output to the RVT, other Landscape's maps like BaseColor are all fine, as well as Height output from o ...
Light as If Static setting does not Persist when Re-opening Project
Tools - Apr 28, 2016This bug was originally entered back in 4.8 as [Link Removed], but was closed as by design. The reason was, the mesh did not have Lightmap UVs, so using the 'Light as If Static' option would not wor ...
[CrashReport] Crash in PHAT on LeftMouse click while moving ragdoll asset during Simulate
UE - Simulation - Physics - Oct 25, 2017Crash 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 ...