Custom Primitive Data are not (fully) functional with Instanced Static Mesh components

UE - Graphics Features - Mar 29, 2022

If the ISM component is not in a blueprint, but added directly inside the level, the CPD works. If the CPD value is set from a construction script through either the Default or Transient function, i ...

TVOS - Packaging CPP project fails when "Support Bitcode in Shipping" enabled

UE - Platform - Mobile - Dec 13, 2018

Unable to package a CPP project with Bitcode enabled Confirmed in MAIN 4.22 @ CL 4655014 with error [404/405] sh /Users/compile/UE4/Builds/RDU-WD-11740/D/Projects/AJ_421CPP_4.22/Binaries/TVOS/ ...

Modifying Notify Properties no longer updates the NotifyName in Blueprints with custom GetNotifyName function.

UE - Anim - Gameplay - Feb 13, 2025

If after placing a notify on an anim sequence timeline you modify a property that is used in the GetNotifyName function of a blueprint notify in engine version previous to 5.5 (5.4.3 for example) th ...

When Using Sequencer to Change Between the Animation Blueprint and Custom Mode Animations Freeze Temporarily

UE - Anim - Sequencer - Oct 6, 2017

Youtube Link to How Project is Set Up and the Results: [Link Removed] ...

Custom iOS icons don't appear using BP projects [4.18.2]

UE - Platform - Mobile - Dec 14, 2017

So far this has been tested on Mac deploying SunTemple to an iPhone 7 (10.3.3). It occurred with both Launch On and File Package. This does not occur when deploying StrategyGame from the same Mac t ...

Seamless travel not supported in single process warning while single process PIE is disabled

UE - Networking - Aug 23, 2016

I initially noticed this when I had it set to a single process, but the same error was occurring when I had single process turned off. To double check that Seamless travel was enabled I ran the con ...

fbx attribute curve import do not support correctly tangent at the start end end of the curve

UE - Editor - Content Pipeline - Import and Export - Sep 2, 2020

We are not reading all the key flags and we do not import correctly start key and end key tangent. I create a shelve but this is not the complete fix, we must do this only if we do not have fbx ket ...

Old property values can be applied when updating an unmapped reference in custom NetSerialize struct

UE - Networking - Apr 13, 2023

This seems to be caused by the following:The struct, which has an actor reference property as well as some other properties, implements its own NetSerialize function.When the actor reference propert ...

Using a Short cut to create a local variable in an event graph that does not support them will cause a crash

UE - Gameplay - Blueprint - Oct 12, 2015

If the user creates a shortcut for creating a local variable within the editor preferences and then uses that short cut in the level blueprint this will cause a crash. ...

Custom Transition Notification Events do not update in the Event Graph when their name is changed in the Locomotion State Machine

UE - Anim - Runtime - Apr 14, 2020

It seems like the name will not update for the already place node automatically, however if a new one is created, the old name no longer appears in the node list and only the event node with the cha ...