Third party scenery visual anomalies. Various visual artifacts, increased memory usage, and missing features.
Multiplayer sessions only showing other players if they were the last to join.

Fixes and Improvements
Updated baseline framework to Microsoft .NET 4.6.2
Corrected a crash when entering SimDirector with Raw Input enabled due to a max handle count being exceeded
Corrected Baron and Bravo typos in their panel.cfg files
Fixing ATC window’s title bar being cut off at high DPI settings
Preserving Xbox controllers with switching control APIs
Reenabling tablet behaviors when gestures are modified. Correctly reading the setting in without restarting.
Fixed Focal Points not drawing in Virtual Instructor
Fixed issues with Video Streaming; displaying incorrect resolutions and a crash at higher resolutions
Allowing video stream clients to join after a stream has started
Supporting higher quality video streams
Enforcing alert dialog to correctly grab focus and pop when opening behind other windows
Ensure 2D panels properly layer on top of 3D windows
Added extended ASCII support for Scaleform
Added additional joystick checks to fix issues of controllers not appearing or being settable
Updated multichannel and view group documentation
Fixed bug where hydraulic switch was not working through Panel API
Added video streaming configuration options
Fixed issue with HintPath not being preserved when saving a scenario
Forcing alert windows to display when behind other windows
Setting the Parking Break infogen notification to the proper key
Stopped resetting audio devices during a hardware change. Caching previous state when recreating audio devices
Correcting issue with SimConnect global exceptions. Respecting client IDs for SimConnect exceptions.
Splash screen now displays at immediately at startup
Correcting issue with Raw Input and Windows 10 keeping unplugged controllers in the device enumeration
Fixed a Raw Input access violation crash
Refactored how the splash screen is displayed during activation
Exposed additional chain message support to the PDK IEventService

Fixes and Improvements
Added notifications for when a graphics card driver crashes. Can be disabled by setting ShowDeviceLostWarning = 0 under the Graphics section in the Prepar3D.cfg.
Correctly applying cloud’s bank to better orient the clouds.
Fixed bug where closed panels would reopen when toggling mipmap settings.
Entities will now report DAMAGED_DESTROYED when health points reach zero or when they are in a crash state when connected in a DIS session.
Added additional checks when getting control maps to ensure they are properly read.
Corrected a crash when attempting a VarGet on “AI TRAFFIC FROMAIRPORT” and “AI TRAFFIC TOAIRPORT” when the requested AI did not have a valid departure/destination airport defined.
Fixed issues with wide-view aspect ratios clipping out the terrain on 4k resolutions.
Disabled cloud pancaking on extrusion bridges to reduce cloud artifacts.
Skipping Scenario Startup screen when launching directly into SimOperator using command lines.
Corrected LanOperatorname being incorrectly saved out as LanUsername for SimOperator.
Prevented multichannel slaves from incorrectly broadcasting GPS flight plan data.
Fixed an issue when a scenario could not be deleted through the Scenario Select screen due to its filename containing periods.
Fixed application hang on shutdown if more than one PDK event was registered.
Fixed a SimDirector crash when setting a scenario’s camera object’s pitch to 90 degrees.
Fixed a SimDirector issue that would cause Area Definition objects to move exaggerated distances when attached.
Fixed a SimDirector crash when attempting to use an ActivateWaypointsActions when an object did not have an AIType assigned. This will now be reported in ContentErrorLogging.
Aggressively purging of scenery regions to prevent running out of memory at high slew speeds
Added additional Content Error Reports for missing textures and effects
Serializing AI Behavior activated states and activated start times to ensure they properly load/save with scenarios
Support for Virtual Cockpit textures above 1024 resolution (MAX_VC_TEXTURE_RESOLUTION in Prepar3D.cfg)
Fixed collision detection for CylinderPathArea if the cylinder’s radius was significantly greater than its length
Made numerical formatting for billboard menus match the appropriate key stroke
Fixed an issue where the 10th item of the MenuWindow would incorrectly shift items up as if it were the “Next” button although it was actually the last item in the list
Fixed a hard crash during shutdown caused by the order in which windows were being deleted
Fixed a hard crash related to key events via SimConnect being called before the SimConnect dialog was opened
Fixed a GDI memory leak with static elements when resizing panels
Fixed an issue where the multiplayer host would incorrectly rebroadcast avatar attach/detach notifications
Fixed an issue with the About screen where the toggle link would be out of sync with the displayed page
Fixed an issue where particle effects would not respect emitter offsets in certain cases

Fixes and Improvements
Fixed performance issues when using SLI
Fixed user interface flickering when using SLI
Fixed particle flickering when using SLI
Fixed an issue where the main window would not restore to maximized state after being minimized
Fixed an issue where the main window would be minimized in the top left corner of its tab after changing modes in SimDirector
Fixed an issue where loading would potentially hang at 100 percent
Fixed a crash when loading multi-window VR scenarios
Fixed an infinite loop hang when loading multi-window VR scenarios
Fixed a bug that prevented avatar collision with other objects
Fixed a hard crash when using weapons in a multiplayer session
Fixed an issue where weapon selection would no longer work after using the avatar to attach to another vehicle in a multiplayer session
Fixed an issue where orientation was not correctly being processed by the GetScreenCoord PDK function
Added SensorModeNone and SensorModeGDATA custom camera post processes
Fixed a hard crash when decoding certain METAR strings depending on the given wind speed units