OnAudioPlacebackPercentage PlaybackPercentage (float) doesn't take into account "Start Time" from Play or FadeIn nodes

UE - Audio - Aug 17, 2020

PlaybackPercent on the OnAudioPlaybackPercent event does not account for Start Offset from the Play or FadeIn node. Reported and tested in version 4.25.3 (CL-13942748) and version 4.24.3 (CL-115903 ...

Incorrect number of parameters in empty Shipping version of the DrawDebugString() function signature

UE - Foundation - Core - Mar 26, 2019

The DrawDebugString() function has to versions. One is the actual function to display a string of debug text in non-Shipping builds, and the other is an empty function that is used in Shipping build ...

[Sound Cue][Blueprint API] - Setting a parameter value a second times does not work

UE - Audio - Apr 9, 2022

Setting a parameter on a Sound Cue from Blueprints more than once is not working. The first time a parameter is set works, but any following sets are ignored. This is a regression and does not occu ...

Crash on Mac for some 4.16 users while opening editor, related to Xcode

UE - Graphics Features - May 26, 2017

This is a common crash on Mac in the 4.16 release. The callstack is fairly generic , so it shares similarities with other Jiras such as [Link Removed] and [Link Removed], but this issue is differen ...

Crash when client tries to connect to server instance using WP

UE - World Creation - Worldbuilding Tools - World Partition - Apr 10, 2023

CableComponent particles spawn at origin when gameplay starts depending on component registration order

UE - Framework - Components - Jan 9, 2025

A workaround was provided for the user, to use 'Set Attach End to Component' nodes during BeginPlay. While this fixes the issue in gameplay, the editor preview no longer syncs with gameplay. ...

Composite Decorator Graph nodes are not updating titles when changes are made to the properties of a node

UE - AI - BehaviorTree - May 5, 2022

Composite Decorator Graph nodes are not updating titles. Upon closing and reopening the Composite Decorator Graph, the nodes do refresh to their properly set title. Repro Rate: 3/3 Tested this in ...

ReplicatedUsing stops getting called after setting a value to nullptr.

UE - Networking - Oct 20, 2016

Eventually, the ReplicateUsing function called out for a UPROPERTY is no longer being called. After investigation, it appears that the data is making it from the Server to the Client, but that the d ...

Overriding a struct member field's default value on a BP-added component in a BP asset will no longer allow the user to edit that struct member on instances of that BP's component if the member is deprecated.

UE - Framework - Blueprint - Oct 19, 2023

Properties that are deprecated are (incorrectly) not currently being propagated to instances by the duplication logic that we use to instance BP-added components as part of Actor-based BP constructi ...