Unreal Engine Issues

AI Perception UnregisterSource Sense == nullptr does not affect pending adds

UAIPerceptionSystem::UnregisterSource according to its documentation should treat Sense == null as targeting all sources, but the code for removing pending sources does not treat Sense == null as th ...

Sibling subsequences interfere with each other if they have different hierarchical biases

It seems we are trying to factor for the other transform track, but it will not be applied due to the biases. ...

Right click editor/Slate windows blackout after a while of repeatedly clicking them.

Licensee video of the issue here - [Link Removed]  This can be worked around with this setting:  [Link Removed] However it is not a solution as this setting actually causes other programs, e.g. sl ...

World position is broken in post process material after TAAU

Take Recorder starts all timecodes at zero unless "Start at Current Timecode" is checked

This seems to be a regression caused by CL 16942648 ([Link Removed]). Recording times based on the sequence, means the timecode will always begin when the sequence does. ...

iOS packaging does not seem to be able to exclude assets not in chunk0 when using ChunkDownloader

Resizing panels causes ghosting/shifting of contents during drag

Resizing the editor window or any floating panel causes the panel contents to jitter during drag.   See attached images.  The jittering one is from Main and the normal behavior was captured in UEFN. ...

Migrate away from deprecated JCenter

Since JCenter is already obsolete, we will get an error when we try to use JCenter( e.g.  project using Facebook SDK for Android). This issue can be solved by adding mavenCentral() to the repositor ...

IVideoRecordingSystem::EnableRecording call on Windows shifts viewport drawing position

The viewport is shifted by the IVideoRecordingSystem::SetRecording call. This problem occurs in play standalone mode and packaged build running as window mode. (not occur in fullscreen mode) The vie ...

External event dispatcher bindings are duplicated along with instances in the level editor.

Event dispatchers (i.e. delegate property values) are currently copied to the new instance when users copy/paste/dupe actors. However, this means that if you have an instance whose dispatcher is dy ...