Unreal Engine Issues

Client may receive failure message before ClientTravel RPC during non-seamless travel

See linked UDN for more info. When a server initiates a non-seamless travel, it will inform any connected clients by sending the reliable ClientTravelInternal RPC. After a delay (controlled by Serve ...

Split-screen players not rendering

When using the Create Player node to setup split-screen multiplayer, only the last player created will show properly. All other players experience render issues for their character and environment. ...

Overridden functions in Child Blueprints cannot be converted to/from pure functions

Overridden functions in Child Blueprints cannot be converted to/from pure functions. Reproduced in 4.8.1 and Main (//depot/UE4/Promotable-CL-2601051) ...

Get percentage for the progress bar in UMG does not reflect changes from a binding

Get percentage for the progress bar in UMG does not reflect changes from a binding ...

Set Sound Mix Class Override still Playing Sounds in Certain Conditions

When using the Set Sound Mix Class Override within blueprints, the playback of any subsequent sounds seems offset or incorrect. This is apparent when using a Delay node. ...

Content Examples: Example 1.5 is stiff in Cloth Map

Example 1.5 on Cloth Map seems very stiff in 4.16 compared to 4.15. Regression: Yes Works in 4.15 ...

Crash in GetScreenRect on OPPO and Vivo devices

Material Editor Tooltips for Sine and Cosine Expressions are Incorrect

The tool tips for Sin and Cosine within the material editor need to be modified. The tool tips are inconsistent and do not match the information in official documentation. [Link Removed] ...

Casting to ActorComponentOwner inside of nested Inline instanciated Blueprints owned by ActorComponentOwner disappear after Editor restart.

A set of objects which can be instantiated Inline in the Editor that contain an array of References to their children that have nested Blueprint objects inheriting from a Native Base Class can cause ...

Colors of Individual Lens Flare Tints Cannot be Changed in UE 4.18+

If you create a project in 4.17 and follow the Repro steps, you will be able to adjust the colors of individual lens flares. If you copy the 4.17 project into 4.18, 4.19, 4.20 Preview, or 4.21 the f ...