Unreal Engine Issues
Unreal Engine Issues
Attempting to rename function bound to delegate or rebind delegate to new function will fail
UE - Foundation - Core - Nov 9, 2016Changing the name of a function that is bound to a delegate, or attempting to bind a delegate to a second function, causes the new/changed function to not be called when the delegate is triggered. ...
SunTemple crash on load on some iOS devices
UE - Platform - Mobile - Jun 8, 2018This does not occur when attempting to repro using a template code project; testing on the same device. This crash occurred on an iPhone 6, v11.4 (A8) It did not occur on an iPhone X, v11.4 (A11 B ...
StartCameraFade() breaks on mobile projects after editor is closed/reopened
UE - Platform - Mobile - Oct 6, 2015If a project that is set to Mobile/Tablet and Scalable 3D or 2D uses StartCameraFade() to produce a fade in effect, the effect will not play in PIE if the editor is closed/reopened. ...
Packaging Fails When Media Player->Open Source is Used in C++
Media Framework - Sep 13, 2016When attempting to use a media player asset in code, packaging will fail with the error message shown below. Could not find a native player for [...]4.13/Content/Movies/Tutorial.wmv This occurs ev ...
UNetDriver server-side hitch results in ActorInfo->NextUpdateTime far into future
UE - Networking - Feb 16, 2024A high UWorld::Tick DeltaSeconds (i.e. GameThread hitch) results in a high UNetDriver::TickFlush DeltaSeconds. This DeltaSeconds can high (many seconds) if the hitch is long. This value then affects ...
Overlap Events Stop Firing When Actor is Moved to a Different Level
UE - Gameplay - Feb 1, 2017Overlap events, such as OnComponentBeginOverlap seem to stop working when the actor is moved to a sub level. This does not occur if the object is deleted and then replaced in the level. ...
Regression - Nested scene component subobjects are no longer being registered when the owning scene component is added to an existing Actor instance as an instanced component.
UE - Gameplay - Components - Nov 16, 2016This is a regression that was introduced with changes made to address issues with native vs. non-native component registration at Blueprint construction time ([Link Removed]). Prior to those change ...
If a component is added to a subclass after a Blueprint has already been created using that subclass, and a hot reload is performed, the new component is not editable in the Blueprint.
Tools - Jan 29, 2015Adding a component to a subclass after the component was declared in the parent class results in the component not being editable if a Blueprint had already been created using the subclass. This onl ...
Crash after 'Reparent Blueprint' when renaming component on-top of orphaned inherited component
UE - Framework - Blueprint Editor - May 7, 2024After reparenting a blueprint and inherited components from the previous parent are removed, trying to give a new component the same name as a previous component causes a crash inside UObject::Renam ...
Crash trying to rename a checked out umap
UE - Editor - Content Pipeline - Content Browser - Aug 25, 2017Editor crashes when a person renames a umap asset in the Content Browser that is checked out by another person. This doesn't occur if the user has the asset checked out themselves. ...