Unreal Engine Issues

Frame specific functionality unusable in Composite/Montage editors post 5.2 changes

Part of the changes for 5.2 required UAnimCompositeBase::GetSamplingFrameRate to be changed to return a very high framerate.  This has the unintended consequence of effectively making the functional ...

Light does not affect landscape splines in raster pipeline (non-RT)

Spin Box delta does not appear to affect how the spin box increments through its values when clicking and dragging with the mouse

Spin Box delta does not appear to affect how the spin box increments through its values when clicking and dragging with the mouse. The spin box appears to increment/decrement by more or less dependi ...

Preview weight on Landscape Layer Sample affects Grass Output on landscape disregarding layer info

Preview weight on Landscape Layer Sample affects Grass Output on landscape disregarding layer info Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did NOT occur there ...

Editor crashes if a sublevel with a landscape is duplicated then added to the persistent level as a sublevel.

If a sublevel is duplicated and contains a landscape, the editor will crash when the duplicate level is added to the persistent level as a sublevel. Frequency 4/4 Regression (yes) issue (does not ...

Unable to select foliage by left clicking after 1.5 k foliage meshes placed

When using the foliage tool, once the mesh count reaches around 1.5k and higher you will be unable to select individual meshes by using the mouse. The lasso tool and the select all tool work as inte ...

Updating to 4.13 from 4.12 Causes Particle System Orientation to Break When Cooked

When updating a particle system with the mesh data type to 4.13 its orientation will change after being cooked. This issue will not appear with PIE, or Stand alone you must Launch from editor. A 4.1 ...

[CrashReport] Mac/Metal crash due to enabling Metal 2.0 on 10.12.6

This is an early trending Mac/Metal crash coming out of 4.18. Mark.S: _Revised Statement: Users are trying to enable Metal 2.0 on 10.12.6. The iOS settings panel lets me show warnings about this st ...

4.16 Mobile Compat Pass - QA-Decals - UI glitch when playing on a 9.3.5 iOS Device

While testing in QA-Decals on iOS device, after loading into the project the UI will be glitched ~50% of the time. After further testing, it seems this bug only occurs on iPads running the iOS vers ...

Post Processing continues to affect Sprites after project setting defaults are disabled and all volumes and cameras' settings are disabled

After disabling the defaults in Project Settings > Rendering > Default Postprocessing Settings, disabling all GlobalPostProcessSettings volumes, and setting the Post Process Blend Weight in the play ...