Unreal Engine Issues
Unreal Engine Issues
Setting Texture Object within Niagara fails to update texture
UE - Niagara - Jan 11, 2021Based off of a saleforce ticket, it seems that reinitializing a niagara system with an updated texture, the texture does not update. The setup works correctly in 4.25, so marking as a regression. ...
When Niagara is set to DesiredAge in Sequencer, the processing load increases after play
UE - Niagara - Cinematics - Jun 3, 2021This does not happen in 4.25.4. It has been confirmed to occur with 4.26.2 and UE4main. After playback is complete, a large amount of stalls can be seen in Insight. ...
NPC - Texture Sample DI does not work on Niagara Parameter Collections
UE - Niagara - Nov 8, 2023Texture sample DIs no longer work when used with Niagara Parameter Collections. This seems to affect Volume Texture DIs based on customer reports, but I have not confirmed this. ...
Crash when compiling Blueprint class based off C++ actor with a Niagara component that has a user color curve
UE - Niagara - Mar 6, 2020When creating a blueprint class based on a C++ actor with a Niagara component, color curves will cause the editor to crash when compiling the blueprint. This will impact users creating their own cla ...
NavMesh does not build correctly to SkeletalMesh collision
UE - AI - Mar 16, 2015NevMesh cuts out holes for collision incorrectly with Skeletal Meshes. Skeletal Meshes with "Can Ever Affect Navigation" set to true and that have a Physics Asset are capable of causing this. ...
Reduced Tessellation at edge when using world displacement
UE - Graphics Features - Jan 11, 2016Adding a material to a mesh that is affected by world position offset has reduced tessellation around the meshes edges. This is seen when viewed in wireframe and is influenced based off of the angle ...
meta specifier ArrayClamp does not work with array in struct
UE - Gameplay - Blueprint - Sep 14, 2016Giving an int32 variable the specific ArrayClamp has no affect when the specified array is defined inside a USTRUCT(). Variable is able to be set to a value outside of specified struct's range. ...
Can't undo blueprint/material movement done by arrow keys
UE - Gameplay - Blueprint - Feb 8, 2017When moving nodes in materials and blueprints using the undo option doesn't undo the movements made by the arrow keys. This issue affects anything that uses nodes on an event graph. ...
FPS when adding instanced static meshes in a random order is significantly lower than adding them in order by X,Y,Z location
UE - Simulation - Physics - Apr 5, 2017Adding instanced static meshes in a random order by location gives 25% of normal frame rate, compared to adding them in order by X,Y,Z location. ...
OnUrlChanged does not fire on mobile
UE - Platform - Mobile - Sep 28, 2017When using On Url Changed event on mobile devices, the event does not appear to fire as expected. Tested on iphone 5 As a note: The function GetUrl appears to be similarly affected. ...