Unreal Engine Issues
Unreal Engine Issues
Dropping a packet containing an initial replication for a Custom Delta Property breaks replication
UE - Networking - May 6, 2019Custom Delta Property NAK handling is done via Custom Delta Base States. Whenever we replicate a CDP, we have the implementing code return a Custom Delta Base State. However, before a CDP is ever re ...
Blueprint Array/Map properties with DefaultToInstanced types are not instanced properly
UE - Gameplay - Blueprint - May 6, 2019At a licensee, I discovered a problem where Blueprint-created array and map properties are not correctly propagating the ContainsInstancedReferenced property flag. This means that if you create a Ma ...
When editing a color curve at the emitter level color is not updated correctly at system level
UE - Niagara - May 6, 2019Editing color curves at the emitter level will not propagate to the system level when saving and applying. The curve will look correct int the system stack, but the particle colors will not match. ...
Fill Data Table from CSV File crashes editor if the data table is open
Tools - May 6, 2019Attempting to use the Fill Data Table from CSV File node will result in a crash if the CSV file is open when running. ...
Trigger Montage Ended Event results in Unhanded Exception
OLD - Anim - May 6, 2019TriggerMontageEndedEvent is calling RemoveAtSwap after the NotifyEnd callback which is not safe if the ActiveAninNotifyState array is modified by the callback. WorkAround: Add a Delay node befo ...
Stale PerceptualData in AIPerceptionComponent
UE - AI - May 6, 2019Also, reported here: https://udn.unrealengine.com/questions/497277/stale-perceptualdata-in-aiperceptioncomponent.html ...
Cannot set auto success range to an invalid value in the AIPerception component
UE - AI - May 3, 2019When modifying the value of "Auto Success Range from Last Seen Location" to a value that is not it's default, you can not set it back to its default -1 one value. This was reported and tested in 4 ...
TrackFieldData and SubSectionFieldData structs not properly being serialized during cook in the Precompiled Evaluation Template
UE - Anim - Sequencer - May 3, 2019During compile on the fly if the evaluation field is invalidated SubSectionField data will not have been properly serialized and the meta data will not be populated correctly, as the custom serializ ...
Soft Object Pointers may not fire Rep Notifies
UE - Networking - May 3, 2019User reported that Soft Object Pointers may not fire RepNotifies properly. This is likely also the case with Weak Object Pointers (and other similar wrappers). The main problem is that these all ge ...
Load times for the editor appear to have increased
UE - Graphics Features - May 3, 2019The editor appears to have longer load time as compared to an older engine version (4.20.3 loaded in seconds while newer version appear to load the same project in over a minute) ...