Unreal Engine Issues

BC7 Format in Texture Asset Mip Maps are not correct

When enabling BC7 compression format for a texture in a project that has SM4 disabled will result in the last two Mip Levels being gray. This happens on any texture size. The number o mip levels may ...

Hierarchical Instanced Static Meshes do not render in Custom Depth

When rendering a custom depth post process material Hierarchical Instanced Static Meshes will not use this even if they have been enabled to do so. Sample Project attached. ...

No warning is shown when a disabled mobile shader permutation is required for rendering

bIsComposing assert with Japanese MS-IME input(candidate list related)

When using MS-IME as Japanese input method, scrolling out the text field out side the view causes bIsComposing to be set false - this state causes instability of the editor. Crash happened with Win ...

Adding entries to TMap in custom asset type not always reflected without restarting editor

If you adding entries to a TMap in a custom asset type in the content browser, after a certain number of entries the last entry fails to be found with the "find" function for TMaps in blueprints, ev ...

Collision problem in nativized blueprint

Issue reported by one of our licensee on the Japanese UDN https://udn.unrealengine.com/questions/480660/view.html ...

Screen space reflection flickering

Flickering is occuring when using a reflection material with screen space reflection enabled. Did not start occuring until 4.19 and beyond.  Tested in: 4.23.1 CL#9631420, 4.24 P3 CL#10283392, 4 ...

Spline Mesh Collision doesn't work in packaged game when spawning them at runtime

Spline Mesh Components lose their collision in a packaged game when spawning them at runtime, or modifying them via 'Set Start and End' function at runtime. ...

Show Flags are changed to the state that they were set on editor startup when switching to a different level

Show Flags are changed to the state that they were set on editor startup when switching to a different level It appears that the state of Show Flags are stored in the editor on shut down, this is c ...

Packaging a plugin from Plugins Editor UI wipes the target folder before packaging

"Package Plugin" from Plugin Editor UI will wipe the target folder’s contents first then populate it with plugin files. User was expecting “Package Project” like behavior: Create a new folder in th ...