Unreal Engine Issues
Unreal Engine Issues
NotBoolean node is broken in specific projects for State Machine Transitions
OLD - Anim - Oct 14, 2015In the attached project, you'll find the NewChar_AnimBP. In the state machine, there is a "NotBoolean" node in the JumpingToFallingLoop transition that appears to be broken. At first, the NotBoo ...
Root Motion Not Working with Multiple Slots
OLD - Anim - Jul 27, 2015When a montage containing two slots each containing animations with root motion is played in editor: When the first slot selected, root motion functions properly with the animation. When the sec ...
Refraction broken when using material function
UE - Graphics Features - Aug 10, 2021Licensee has provided a BP workaround ...
ScreenshotCapturedDelegate is never called in HDR
UE - Platform - Console - Nov 21, 2025In UGameViewportClient::ProcessScreenShots, when bHdrEnabled is true, the Bitmap array is never filled (the capture code uses BitmapHDR), so ScreenshotCapturedDelegate is never called for any custom ...
Switch on Gameplay Tag does not correctly register tag alterations in Standalone game
UE - Gameplay - Blueprint - Oct 5, 2015Switch on Gameplay Tag does not acknowledge changes to Gameplay Tag variable in Standalone game. ...
A Client cannot join a Server after setting a GameMode in the OpenLevel node's Options string
UE - Networking - Nov 23, 2015A 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
UE - Gameplay - Blueprint - Aug 6, 2015Setting 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
UE - Gameplay - May 1, 2015Timers 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
UE - Gameplay - Mar 12, 2015When 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 ...
ServerTravel from a map with a GameMode set to Use Seamless Travel and then ServerTravel back from a map without Seamless Travel enabled will crash the editor
UE - Networking - Mar 3, 2015ServerTravel from a map with a GameMode set to Use Seamless Travel and then ServerTravel back from a map without Seamless Travel enabled will crash the editor. Reproduced in 4.7.1 binary and Main ( ...