Unreal Engine Issues

Queued AnimNotifies skipped on Server via CharacterMovement.

From a licensee: The issue is that under certain edge conditions I am experiencing Anim Notifies not being executed on our Dedicated Server ( it is an off case, so they typically do work, there a ...

Assertion failed on reimporting FBX scene

Following code works as a work around : void SFbxSceneStaticMeshReimportListView::OnChangedOverrideOptions(TSharedPtr<FString> ItemSelected, ESelectInfo::Type SelectInfo) { #if 0 check(ItemSele ...

Dataprep crash when creating a parameter from a datatable asset or any asset

A Client cannot join a Server after setting a GameMode in the OpenLevel node's Options string

A Client cannot join a Server after setting a GameMode in the OpenLevel node's Options string. Reproduced in 4.9.2 binary, 4.10.0 binary, and Main (CL# 2776829) ...

Show 3D Widget for vector variable in a blueprint component does not correctly appear in blueprint viewport when implemented

Setting a vector variable to editable and showing a 3D widget within a blueprint actor component does not show the 3d widget within a blueprint implementing the component. ...

Timer significantly lowers FPS as compared to tick running the same function

Timers set to a low time setting, but that are not set lower than tick, have a significant impact on FPS as compared to tick when updated a large number of objects at the same time. ...

Character BP yaw rotates at different speeds when played in Standalone vs. Selected Viewport

When you have a character in a level and if you setup the blueprint of the character as shown below, the rotation of the character will differ when played Standalone vs Selected Viewport. Photo of ...

Mouse dragging cursor accelerates significantly on Mac

This also occurs in 4.14.3 This does not occur on Windows. Could not get this issue to reproduce while recording the screen with quicktime player, but if you experience it in person it really feel ...

Crash playing source media file after attempting to play undefined source file

After attempting to preview the undefined File Media Source in the Media Player Window and getting an error. I set the path of the File Media Source to Windows sample video 'Wilflife'. Then attempt ...

Allow Window Resize has no effect on Linux

Checking the option for Allow Window Resize in Project Settings allows a the borders of a standalone window to be grabbed and used to resize the window. This does not behave the same on Linux and t ...