Unreal Engine Issues
Unreal Engine Issues
The DistanceCurveModifier generates Distance Curves with zero values for Root Motion animations
UE - Anim - Gameplay - Jun 30, 2025The DistanceCurveModifier data modifier generates curves that return zero values only. This issue has been tested on several Animation Sequences with enabled Root Motion and always occurred. ...
Changing the Pin Type on the 'Select' node can cause errors with pins that have been split
UE - Gameplay - Blueprint - Jun 1, 2015Changing the Pin Type on the 'Select' node can cause errors with pins that have been split. ...
Distance Field AO leaving trail of occlusion shadow where character mesh has been.
UE - Graphics Features - May 21, 2015When using DFAO and moving around the world a trail will be left behind the where the player has been while PIE/Standalone game is being used. This is cleared when exiting these modes. **Video att ...
Compile error packaging QAGame with nativization on Mac
UE - Gameplay - Blueprint Runtime - Dec 13, 2016QAGame is failing to compile with Blueprint Nativization turned on ...
Set Array Elem is missing the Item checkbox when connected to an existing array variable
UE - Gameplay - Feb 8, 2017Set Array Elem is missing the Item checkbox when connected to an existing array variable that was created separately. The checkbox is present if the Set Array Elem is created off of the array variab ...
Material re-route nodes break TextureSample output
UE - Rendering Architecture - Materials - May 4, 2017This is a bug found by a licensee ...
Network Prediction crash when smoothing service instance data is reallocated out from under FNetworkPredictionStateView
UE - Gameplay - Network Prediction - Apr 4, 2025Received a report from a licensee using Network Prediction Plugin and Mover. There is a strong likelihood of a crash occurring when using NPP's smoothing option and spawning new NPP-simulating ins ...
Cannot compile project with dedicated server in 4.8
UE - Networking - Jun 23, 2015If a project has built a dedicated server executable then it will fail when trying to convert the project from 4.7.6 to 4.8. EDIT: Following the steps on the wiki page for Dedicated Servers () in 4 ...
Calling functions that have an implicit WorldContextObject parameter in a Blueprint function library will give a compile error about a missing __WorldContext pin
UE - Gameplay - Blueprint - May 21, 2015Calling functions that have an implicit WorldContextObject parameter (line trace, execute console command, etc) in a Blueprint function library will give a compile error about a missing __WorldConte ...
Function call inputs do not revert to their Default Values if a variable node is connected and then disconnected
UE - Gameplay - Blueprint - Aug 3, 2015Function call inputs do not revert to their Default Values if a variable node is connected and then disconnected. Refreshing the call node does not reset the inputs to their defaults. Reproduced in ...