Unreal Engine Issues
Unreal Engine Issues
Mass is not calculated if an object's Collision Enabled field is set to No Physics Collision even when Simulating Physics
UE - Foundation - Core - May 22, 2015If an actor has 'Simulate physics' enabled and the Collision Enabled field is set to anything other than Collision Enabled (i.e. OverlapAll sets this to No Physics Collision) then mass is reset to 1 ...
Crash Occurs When Generated Item Type Doesn't Match Return Type
UE - AI - Jan 7, 2016After creating the example generator that is displayed at the bottom of the documentation linked below, a crash will occur if the Generated Item Type is set to EnvQueryItemType_Actor (which is the d ...
Setting location of Child Actor inside of OnConstruct causes the ChildActor to leave behind non-referenced instances
UE - Gameplay - Feb 10, 2016If the ChildActorComponent on a mesh is attached to a component and then has its location set in the OnConstruct function, it'll leave behind non-referenced instances of itself. This is most apparen ...
Timeline tracks can be given the same name as existing execution inputs, and renaming them and compiling will cause a crash
UE - Gameplay - Blueprint - Jan 13, 2015Timeline tracks can be given the same name as existing execution inputs, which causes some unusual behavior when dragging off the pin. Renaming them will rename the execution pin instead, and compil ...
Crash when toggling between Stereo on and Stereo off
UE - Platform - XR - Dec 22, 2016Crash when toggling between Stereo on and Stereo off after launching the game via right clicking the uproject. After toggling stereo on and off a few times, the session crahes ...
Compile 'Note' on BP Interface events
UE - Gameplay - Feb 23, 2017Compile 'Note' on BP Interface events. It happens in actor BPs and also BP Widgets. A similar issue was fixed back in 4.11 with Custom Events. Could be related? https://jira.it.epicgames.net/brows ...
Blueprint unable to compile if including a macro that includes one of its functions
UE - Gameplay - Blueprint Compiler - Mar 9, 2017Blueprints that include a macro that includes one of their own functions are unable to compile. The error message that is given is: Error Could not find a function named "MyFunction" in 'ActorBP_C'. ...
Using the Replace References Tool on Foliage Types producing Unexpected Results
Tools - Apr 6, 2017A licensee is reporting some unexpected behavior when attempting to replace references on Foliage Types already painted in the world. What happens after the references have been replaced, are the n ...
ACharacter JumpMaxHoldTime quickly prevents jumping on the server
UE - Gameplay - Blueprint - Sep 18, 2017-Character no longer jumps to full height when on client when setting maxholdtime to anything above 0 in character blueprint ...
Blueprint iOS projects can't package For Distribution
UE - Platform - Mobile - Mar 23, 2019This issue doesn't occur using a project with source code This issue doesn't occur in a blueprint project if For Distribution is disabled (using a development certificate and provision) So far this ...