Windows registers touch events twice - Once as mouse click

UE - Editor - UI Systems - Slate - Nov 28, 2017

When tapping on a button with a touch monitor, it is registered as two inputs. There was an issue on win7 where touch inputs were counted as touches and clicks. This seems to be the same issue on wi ...

[Feature Request] Add a Landscape tool to redistribute components into a grid of streaming levels

UE - LD & Modeling - Terrain - Landscape - May 18, 2018

Add an option to the Change Component Size tool to distribute the newly created components into separate streaming levels based on a user-specified components-per-level value. It should create the s ...

Renaming a BP interface function/event breaks all existing uses of that function/event

UE - Gameplay - May 24, 2018

If you rename a blueprint interface function or event that is used somewhere in a blueprint, it will break the usage of that function/event. If it was a function, it will actually delete all the BP ...

Crash when exiting PIE after execute demorec command

UE - Networking - Jun 8, 2018

This issue is regression because it doesn't reproduce 4.18.3. Default level is just the level to move. Demorec level runs demorec command with beginplay and has one replicated variable. UEditorEn ...

Tracks referencing the same sequencer don't work properly in package build

UE - Anim - Sequencer - Jun 18, 2018

This issue is regression. It don't occur with 4.18.3. Sequencer behavior differs between PIE and package build. As shown by the attached .png, in PIE one character moves, but in package build it ap ...

Blueprint component lost when reparenting native base class and component name collides

UE - Gameplay - Blueprint Compiler - Feb 26, 2018

Use attached project to skip c++ steps. Follow from step 6. Update: It appears that the same symptoms occur if you simply change the name of an existing subobject, without changing the property/f ...

Creating loaded world with LoadLevelInstance fails when PIE is executed.

UE - Gameplay - Jul 10, 2018

Loaded level defined in TSoftObjectPtr <World> fails to load with LoadLevelInstance. This is due to "UEPID" prefix. Because it is rewritten by FSoftObjectPath :: FixupForPIE (), retrieval of Object ...

Fix the skeletal mesh merge tool material assignment, change the API to avoid confusion

OLD - Anim - Jul 25, 2018

UDN user ask us to change the API for the material to remove confusion with the material ID. Also apparently there is an issue with the skeletal mesh merge tool, the user did not give any repro ste ...

"Expose on Spawn" variables in Actor Components are overridden by the details value.

UE - Gameplay - Aug 2, 2018

"Expose on Spawn" variables in Actor Components are overridden by the value set in their Details Panel when called in another Blueprint. This issue was reported and tested in 4.20.1 (CL-4233996). ...

AJA - Output doesn't properly shutdown (grey screen)

UE - Virtual Production - Aug 15, 2018

SMT is reporting that AJA output doesn't properly shutdown, Screen end up with shades of grey instead of black. ...