Unreal Engine Issues
Unreal Engine Issues
Half precision is not supported for OpenGL ES 3.1 Pixel Shaders
UE - Platform - Mobile - Apr 6, 2018Fix the cross compiler so half precision is supportedAdd a project setting to specify the default precision to support on ES31. Be sure the shader version takes this setting into account. — User des ...
A replicated Timeline's Finished output does not fire on the Client if the Server changes the Timeline Length to a shorter duration
UE - Networking - Jan 28, 2016A replicated Timeline's Finished output does not fire on the Client if the Server changes the Timeline Length to a shorter duration. Test project attached. Reproduced in 4.9.2 binary, 4.10.2 binar ...
Upon editor restart, some Break Struct nodes display a string of letters & numbers
UE - Gameplay - Blueprint - Mar 25, 2015Update: 4/14/2015 Another report of this error: https://answers.unrealengine.com/questions/206466/blueprint-still-dirty-after-compile.html#answer-211801 =========================================== ...
Button Release fires off when a break point is hit even if the button is still held down
UE - Gameplay - Input - Jan 13, 2017Button Release fires off when a break point is hit even if the button is still held down. ...
Event begin input touch does not appear to fire off correctly on laptop touch screens
Tools - May 4, 2016Event begin input touch does not appear to fire off correctly on laptop touch screens ...
Performance problems (freeze) in SCS tree view with a significantly large number of components
UE - Gameplay - Components - Mar 9, 2018User reports an unreasonably long editor freeze when a significantly large number of components need to be processed in the SCS editor tree view (tens of thousands) when selecting an instance of a B ...
Nanite and mobile landscape don't have support for dynamic materials
UE - Graphics Tools - Terrain - Landscape - Oct 26, 2023On a landscape actor with Nanite landscape enabled, set the bUseDynamicMaterialInstance property on a landscape proxy and setup a BP to call SetLandscapeMaterialTextureParameterValue / SetLandscape ...
Blender FBXs import wrong number of bones which causes issues with Apex Cloth files
Tools - Jan 6, 2016First of all, I'm not sure this is an issue with UE4, but I'm not familiar with Blender to rule this out. A user has reported an issue when importing a Rigged mesh from Blender it will add an addi ...
OnRep function fires off even if the value has not changed for a variable set to RepNotify
UE - Networking - Mar 15, 2016RepNotify causes the On Rep function to fire off whenever a variable is set rather than when the value of the variable changes (as stated in the documentation). ...
State Machine events "Left State Event" and "Fully Blended State" not firing when animation is sequence is playing
UE - Anim - Gameplay - Aug 28, 2019State Machine events "Left State Event" and "Fully Blended State" not firing when animation is sequence is playing at the moment you enter/leave the state. ...