Unreal Engine Issues

Dropped encryption ack control message can result in connection failure

When connecting a client using encryption, the server's NetConnection sends the encryption ack and then immediately enables encryption (UNetConnection::EnableEncryptionServer). In the case where the ...

ProxyLOD - Properly handle meshes with empty sections

Some parts of the proxy mesh generation does not correctly handle empty sections. FMeshMergeHelpers::ExtractSections() will remove empty section, but some other parts of the process will not, which ...

The pak file specified in PakFileRules is not created correctly

The rules by which chunks are created are ambiguous and currently do not ensure that both PakFileRules and PrimaryAssetLabel settings are reflected. In this sample, depending on the PrimaryAssetLabe ...

Spherecast against complex geometry is returning odd results

Turning on batching of sphere casts when colliding against complex gives incorrect results. Affects debug output and vehicle wheels and body movement. The issue is with the batch query mode which ...

Using the end of the curve as a weighted tangent does not yield the expected value.

When changing the tangent value, the last value is sometimes not 1.0 [Reproduce sample project] [Link Removed] ...

Double clicking on Interface Function in Blueprint Graph does not take you to the function implementation.

When double-clicking on an interface function call within a blueprint, the expected behaviour is that it will take you to the implementation of this function. However, it currently does nothing. ...

Near Clip Plane project setting has no effect

Syncing issue when stopping and blending out a non-looping montage to an anim graph

When syncing from a non-repeating montage that is blending out to an anim graph, the anim montage is marked as a follower due to having its PrevMaker as an AnimBoundary(-1), furthermore in this case ...

Overriding Component class does not work properly in grandchild class BP

If you set ComponentClass override in child class BP and grandchild class BP respectively, it is ignored in grandchild class. This issue is probably related to [Link Removed]. The fix for [Link Rem ...

Nanite flag is set to Enable for all static mesh materials when Nanite Tools is opened

The expected result is that the Used with Nanite flag is enabled when Nanite is enabled in Nanite Tools. Currently, opening Nanite Tools enabled the flag even for non-Nanite meshes. ...