Unreal Engine Issues

Blueprint's location reset to 0, 0, 0 after being detached in a network environment

Attaching / Detaching a blueprint actor to a player in a network environment causes location errors when the detach occurs. Even without the attach events being replicated or the blueprint's movemen ...

Client movement and animation are heavy jittered on listen server

The listen server will see jitter in clients character movement and animations. This is hard to notice without the "slomo" command but is extremely obvious using "slomo". Clients will see server and ...

tvOS encounters failure to read save file when loading saved level

When load is called user encounters: [UE4] [2019.11.20-23.42.09:282][575]LogStreaming: Warning: Failed to read file '../../../QAGame/Saved/SaveGames/TestSlot.sav' error. The integer value does not ...

Texture Reimport can change a regular texture to a virtual texture

Reloading a regular texture will convert it to a virtual texture if the size is greater or equal to the "Auto Virtual Texturing Size" setting. This is often not the desired behavior. The status of t ...

Background blur missing with HDR CompositeMode 1

UPD: According to Affects Version field, issue reproduces in 4.26, Regression for 4.27 - No. ...

Niagara Mesh Renderer causes GPU hang on IOS 13.4.1

Rect Light Texture does not unload during level streaming in packaged game

Step/Stop/Resume buttons change positions on blueprint editor window when stepping through blueprints

While stepping through blueprints utilizing breakpoints, the step/stop/resume buttons often change places slightly depending upon which nodes are being stepped through. This can be problematic while ...

When Character BP actor is rotated, "Mesh" component translation differs on Client and Server

Occurs in: Releases 4.7.6 CL:2510309 Main 4.8 CL:2513846 When Character BP actor is rotated, Translation is changed for "Mesh" component on Client. Server appears as expected. This isn't typicall ...

User-Defined Variables Reset to Null When Not Marked as Editable

When running the construction script of an actor blueprint, user-defined variables are reset to NULL each time the script is run. This seems inconsistent, as if the variables are set to Expose on S ...