Mobile Map loading times have increased from 4.12 to 4.13

UE - Platform - Mobile - Oct 4, 2016

The loading time from 4.12 to 4.13 on mobile devices seems to have increased quite a bit. My results: 4.12.5 Windows 7 - Launch On: Loading Level 2 - .51 Loading Level 3 - .74 Loading Level 1 - .73 ...

Refraction does not display properly on Android devices

UE - Platform - Mobile - Apr 2, 2019

A user has reported that Refraction does not affect Translucent or Masked materials at all on Android. It is also limited in how much it affects Opaque materials. Regression?: No This has been test ...

Clicking on an Actor in the World Outliner jumps to Details tab if it is docked with the World Outliner

Tools - Dec 20, 2017

When clicking on a actor in the World Outliner while the Details tab is docked to it, it switches over to the Details tab. This bug was not present in 4.17.2 but is in 4.18 and 4.19. ...

Clicking on object causes EndInputTouch to fire on the press instead of the release

UE - Editor - UI Systems - Slate - Sep 18, 2018

When clicking on an object EndInputTouch sometimes fires on the press instead of the release. This was not an issue in 4.19.2 (CL-4033788) and is a regression. However the functionality doesn't appe ...

PIE gets stuck on infinite loop when Background Streaming is disabled

UE - Foundation - Core - Aug 24, 2018

When "Use Background Level Streaming" is disabled, the Editor gets stuck loading in PIE when you press Play. This is a regression from 4.19.2 (CL-4033788). This issue was reported and tested in 4.2 ...

Crash on Adding Elements to Array On Instance of Actor in the Level

Tools - May 25, 2018

When attempting to add an array element to an array that exists on a component contained within an actor that is instanced in the level, the editor will crash. This does not occur if an array elemen ...

Update Instance Transform Rotation for HISM isn't working in a packaged game

UE - World Creation - Worldbuilding Tools - Foliage - Aug 22, 2018

Using 'Update Instance Transform' to rotate HISM instances will work in PIE, but won't work in a packaged game. This is a regression from 4.19.2 (CL-4033788). This issue was reported and tested in ...

Sequencer 3D Trajectories run very slow on deep hierarchies

UE - Anim - Sequencer - Aug 27, 2018

Using a Level Sequence with deep hierarchies causes the FPS to drop to low numbers when they are all selected within the Sequence. This is a regression from 4.19.2 (CL-4033788). This issue was repo ...

SketchUp models are too small once imported via the Datasmith plug-in

UE - Editor - Content Pipeline - Datasmith - Exporters - Sep 24, 2018

In Sketchup the user made a cube thats 100cm x 100cm x100cm and has Sketchup's measure units set to cm. When imported into DataSmith the cube is 39x39x39. It was calculated that the scaling was off ...

[MetaSounds] The Members' detail panel does not accurately update after making an edit and selecting a different member

UE - Audio - MetaSounds - Jun 26, 2023

Note: This issue also affects MetaSound Patches and any Members Menu List Repro Rate: 5/5 Regression marked as No: issue was seen in 5.2 and 5.1  UE5+Release-5.2-CL-26001984 UE5+Release-5.1-CL- ...