Unreal Engine Issues

Unreal Logo in Display 3.1 Continues to Spin After Button is Turned Off

While writing test cases for the Blueprint Communication Content example, I came across this inconsistency. The logo continues to spin even after the button is no longer active. I expected the logo ...

Crash if editing the key properties of a collapsed key that has only 1 channel keyed

Fix forwarding of dedicated flag and number of players when running a functional test

As described in the UDN question, some settings aren't forwarded correctly to the game instance in PIE during a functional test. Proposed patch attached. ...

Fix possible crash if Android audio manager does not support certain properties

Not checking for a property not being supported by audio manager, need to protect it against NULL ...

Fix up IOS errors calling UI API from non-UI threads

Possible: JPG encoding for Highscreenshot broken in 5.1 Linux build

UDN report of JPG encoding not working: [Link Removed] Can we ask QA to try to repro? ...

TSR fix excessive flickering when subpixel details are in history but not input image

Up Ratio on the Gear Setup for Vehicle Movement Component does not work correctly

When changing Up Ratio for the Gear Setup in a Wheeled Vehicle's Vehicle Movement Component, there are some weird results. At 1.0 for Gear Setup, the gear should shift once RPM is at max but it will ...

Sequencer frame range progression is not continuous

The end of the level visibility section places a DeterminismFence. This causes the issue. The fence clips the frame range and produces a discontinuous frame ranges, e.g. 23201~24000, then 24001~24 ...

Changing the ComponentClass of a ACharacter twice and trying to set a SkeletalMeshAsset crashes the engine

Changing the ComponentClass of a ACharacter twice and trying to set a SkeletalMeshAsset crashes the engine with a "Cannot replace existing object of a different class" message. The conditions to re ...