UPDATE!
We have just released Preview 4 for 4.15! Thank you for your continued help in testing the 4.15 build before its official release. As a reminder, the Preview builds are for testing only, and should not be used for the active development of your project.
For a list of known issues affecting this latest preview, please follow the links provided on the first post in this thread.
Cheers!
Fixed in Preview 4 - CL 3286799
Fixed! UE-41213 Persona - Scene Setup not working correctly
Fixed! UE-41389 Crash in Skeletal Editor due to null ActorFactory reference
Fixed! UE-41376 Pitch and LPF parameters updated incorrectly in audio mixer
Fixed! UE-41377 Audio device hot swap fails for extreme audio device ranges
Updated! UE-41450 PhysicsBall BP not updating location with Collision volumes
Fixed! UE-41497 Illegal Else Without Matching If
Fixed! UE-41474 Putty directory is missing from \Engine\Extras\ThirdPartyNotUE\ in binary builds from the Launcher
Fixed! UE-40740 Unable to escape from the truck in PlatformerGame
Fixed! UE-38060 Ribbon Trails are inconsistent in Content Examples
Fixed! UE-41353 MatineeFightScene too dark due to tonemapperfilm changes
Fixed! UE-41368 Subway Sequencer too dark due to tonemapper film changes in 4.15
Fixed! UE-41360 Incorrect camera starting position in PlatformerGame
Fixed! UE-41359 Crash in FTickFunction::RegisterTickFunction
Fixed! UE-41333 [CrashReport] UE4Editor_AssetRegistry!FAssetRegistry::GetSubClasses() [assetregistry.cpp:2803]
Fixed! UE-41339 Second Controller input not recognized on console
Fixed! UE-41298 iOS Device displays textures darker than in Editor
Fixed! UE-41498 PS4 differential patch size is abnormally large
Fixed! UE-41565 Movie playback not keeping texture filtering settings when switching contexts
Fixed! UE-40779 Crash occurs with PlatformMediaSource called in infinite loop
Fixed! UE-40063 Crash when a material with a texture parameter is deleted when it has instances with static permutations
Fixed! UE-41283 Engine Scalability view distance settings are not being reflected accurately in the viewport
Fixed! UE-41380 Clicking reimport on a skeletal mesh crashes the editor - UE4Editor_Engine!USkeleton::GetSmartNameContainer() [skeleton.cpp:1410]
Fixed! UE-41496 QAGame Controller Loses Focus on Edge of Viewport
Fixed! UE-41113 Widgets can no longer take focus after clicking somewhere other than the widget itself
Fixed! UE-41495 Crash setting actor rotation via details panel in VR editor
REMEMBER: Please report any new bugs you find by following the How To Report a Bug Guide