Unreal Engine Issues

Setting KeepState as default in LevelSequences makes Sequencer blend animations not as expected

Setting "Keep State" for an animation in sequencer makes the sequence behave differently in Sequencer and in Play Mode. The animations appear to be blending together instead of having normal transit ...

Incorrect formatting of #include statements in new code class added to project that is not properly set up for IWYU

Attempting to add a new code class to a project that is not correctly set up for IWYU (such as an older project that may not have been properly modified for IWYU when upgrading) will result in the b ...

4.21 PIE Issues in High DPI

Using a High DPI monitor with a multiple players PIE window results in the 2nd PIE window not saving its location when moved around. Using a monitor with a smaller DPI scale the 2nd window will save ...

Reversed Animations don't play properly using Skeletal Mesh Pose and animations with Keep State in Sequencer

The bug seems to only reproduce when setting animations in sequencer and only if the animations are set to "Keep state". Setting them to "restore default" makes the reversed animation play correctly ...

Making magenta noise in Emissive Map when creating proxy mesh

Since magenta is a special color used for initialization of the UE4 and it may have occurred problem because we are performing a branch using equal.[Link Removed][Link Removed] Licensee wants to us ...

Masked primitive should be sorted even on PowerVR devices

Alpha Compression Artifacts

Confirmed in Main 4.22 @ CL 4586854 in 4.21 Alpha looks to be about 1 pixel larger than other channels in certain parts of the texture "The issue is not improved by changing compression settin ...

Use Mouse for Touch leads to fire Released and Clicked with Pressed at the same time for UMG Button

Pressed, Released and Clicked should be fired in the same manner w/wo Use Mouse for Touch option. These three events are fired at the same time when enabling the option. [Image Removed] ...

Crash after renaming Blueprintable DataAsset

Renaming a blueprint instance of a DataAsset which has been used as the parent class of a DataAsset will cause a crash. ...

Custom CrowdManagerClass reference is set to none when restarting the Editor

When setting a C++ class that's derived from CrowdManager as the "Crowd Manager Class", will cause the "Crowd Manager Class" value to be set to "None" when the Editor is restarted. This issue was r ...