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10-10-17

Prepar3D v4.1 is available now!

The Prepar3D team is excited to release the first update to v4! We have been hard at work building upon the major changes made in version 4 to continue making Prepar3D the most feature-rich, stable, and performant training platform available. This release includes numerous enhancements, new features, and bug fixes based on user and developer feedback.

Virtual Reality (VR) is now available in any view and includes an interactive mouse pointer enabling cockpit interaction. Aircraft interiors are brought to life with support for 4k textures and cockpit rain effects. Many updates were made to further improve stability, add-on compatibility, and performance in this release.

Trailing the F-16 in Prepar3D v4.1 – Download v4.1 today!

The development pipeline and toolset has been updated to further optimize complex models. New features to the Prepar3D Development Kit (PDK) include built-in support for cockpit rain and snow visual effects, support for 3D window positioning, advanced samples for Helmet Mounted Displays (HMDs) and targeting pods, and stability improvements and bug fixes throughout the content creation process. Prepar3D is focused on giving developers the tools they need to be more efficient and create the highest quality products available.

The Prepar3D v4.1 update is available now and can be downloaded from the Downloads page. If you currently own a valid Prepar3D v4 license there is no charge to update to Prepar3D v4.1. To purchase Prepar3D v4, please visit our online Store.

Prepar3D offers separate updates for the Client, Content, and Scenery. This will make updating faster and easier than ever before. Please be sure to read the Prepar3D v4 Download and Installation Instructions for more details on how to quickly update to the v4.1 release. It is strongly recommended to only download and install the Client as there are only minor updates to content and scenery for this release. Please refer to the What’s New below to see if these fixes are required for your training needs.

You can find a full list of What’s New below.


Release Notes

The Prepar3D v4.1 release brings many exciting changes and enhancements to the platform.

The following list of updates has been categorized based on the installer required.

The Client installer is required for Prepar3D v4.1, however the Content, Scenery, and SDK installers are optional. You must first have Prepar3D v4 installed to utilize the Client only installer. To install the Prepar3D v4.1 Client, you must first uninstall the Prepar3D v4.0 Client via Programs and Features in Windows Control Panel. The Prepar3D v4.1 Client update will require you to reactivate your product, however if you have an internet connection it will be automatic.


Prepar3D Client

General Platform Updates

New Features

  • Virtual Reality (VR) is now available in any view and has its own dedicated menu
  • Added interactive mouse pointer in VR
  • Added support for 4k Virtual Cockpit (VC) textures
  • Custom icons can be placed and rendered in the world. Their location can also be viewed in the 2D map.
  • Health points for the ownship are now displayed in InfoGen text
  • Added “HideMouseLookCrosshair” config option to disable the cross icon when using mouse look
  • Notification text can now be added using the “CustomNoticeText” config option
  • Added support for cockpit rain effects. Added effect to default vehicles (requires Content installer)

New Features (Professional Plus Only)

  • High-Level Architecture (HLA) network interface is implemented (experimental – work in progress)

Fixes and Improvements

  • Fixed an issue where turn rate was incorrect for large ships
  • Fixed an issue that prevented legacy Prepar3D v1 SimConnect apps from properly connecting
  • Fixed various z-ordering issues with primitive objects
  • Fixed issue with SimConnect port values being written incorrectly to the registry
  • Fixed intermittent issue with autopilot glide slope
  • Barometric pressure units now display correctly in the Custom Weather screen
  • Added scenario favorites button back to the Load Scenario screen
  • Updated select camera control descriptions to be more consistent
  • Fixed issue where weather data for animated scenery objects was invalid after a vehicle change
  • Fixed rotation issues with certain lights and effects
  • Fixed crash that could occur when calling the FlightPlanDeleteWaypoint function within a gauge
  • Updated the default Max VC Texture Size config entry to 4096
  • Fixed bug where user vehicle would still move to new location after hitting cancel from the Scenario Edit screen
  • Fixed shader support for pre-lit materials without textures
  • Fixed crash that could occur when zooming the GPS map
  • Duplicated panels are now saved into scenario .fxml files
  • Fixed crash that could occur when attempting to change airports at certain locations
  • Fixed crash that could occur when reading in invalid autogen data
  • Panels with pixel_size value set in config now correctly save their position in fxml files
  • Fixed bug where changing the time in small increments in the Startup Screen did not update the simulation
  • Fixed bug where quickly hitting enter after typing an entry in the Airport Select screen would not change the user’s location
  • Fixed bug where structured scenarios would load incorrectly at the startup screen when set to default
  • Fixed bug where unlimited frame rate value was written out differently in saved profiles compared to Prepar3d.cfg settings
  • The ATC window now longer processes key commands when key modifiers (Shift, Ctrl, Alt) are held down
  • The ATC window now processes key commands when undocked and not focused
  • Updated Learning Center file encodings to support Unicode characters
  • Autogen polyline buildings now respect the autogen building density slider value
  • Fixed issue that prevented light rotation key commands from controlling attached landing lights
  • Fixed issue that prevented HDR lighting values from syncing correctly in VR
  • Fixed several cases where attached effect rotation values would not update correctly
  • Previous camera settings are now restored correctly when leaving VR
  • Fixed edge cases where full screen would not black out the main view at the Startup Screen
  • Fixed issue preventing full screen resolution from being set correctly in the Startup Screen
  • Fixed issue that prevented vehicles from positioning correctly on platforms when loading a scenario
  • Updated VR social screen to show both stereo and single views
  • Fixed erroneous ordering error that would display when opening Scenery Library with certain add-on sceneries installed
  • VR can be disabled with the “LoadVirtualReality” Prepar3D.cfg option
  • “Reload User Object” key command now additionally flushes and reloads textures
  • Fixed issue that would cause ribbon visual paths to stop drawing after a short period of time
  • SpeedTree models now draw correctly in Radar and GData sensor modes
  • Fixed view change issues when using the view change hot key in a view group
  • VR can be enabled at startup with the “EnableVirtualRealityOnStartup” Prepar3D.cfg option
  • Improved detection of VR headsets with more robust error reporting
  • Fixed crash that could occur after installing a large number of scenery add-ons

Fixes and Improvements (Professional Plus Only)

  • Fixed bug where weapon loadouts would load incorrectly after a reset if the loadout title contained a comma
  • Distributed Interactive Simulation (DIS) heartbeat now more configurable
  • Attached DIS entities now correctly handled

Multiplayer Updates

New Features

  • Added radio frequency support and direct voice chat through multiplayer Chat Window

Fixes and Improvements

  • Improved panel state management when entering multiplayer

SimDirector Updates

New Features

  • Scaleform Objects can now be placed and rendered within the VC
  • The starting waypoint can now be set for AI Objects

Fixes and Improvements

  • Gizmo buttons now toggle based on gizmo state
  • Fixed slow down when entering the visualization
  • BGL can now be exported again through SimDirector
  • Fixed bug where translation gizmo would not be selectable if partially off screen
  • Fixed crash that could occur when clicking panels while recording a Virtual Instructor (VI) session
  • The position of copied objects is now slightly offset from the original
  • Camera Objects can now be referenced by View Change Actions
  • Fixed issue that prevented object rotation values from exporting to BGL
  • Fixed issue where the xml file name would be truncated after the first period when clicking “Save as”
  • Camera name validation errors now link to the correct property
  • Fixed bug where navigation visuals would stay enabled in SimDirector if changed in core Prepar3D
  • Fixed issue preventing RPN scripts from working correctly with Script Triggers

Prepar3D Content

New Features

  • Added rain effect to cockpit glass in default vehicles
  • F-16A and F-16AM now feature a Helmet Mounted Display (HMD) reticle, which can also be viewed in VR

Fixes and Improvements

  • Added configurable max_turn_rate for boat SimObjects
  • Updated default scenario flt files to support Unicode characters
  • Fixed flashing that would occur with the Fury 1500 when in Black Hot IR mode
  • Fixed missing cockpit textures in the F-16
  • Removed incompatible AI models

Prepar3D Scenery

Fixes and Improvements

  • Fixed missing textures in St. Louis Adams Mark
  • Removed invisible objects that could cause vehicle to crash at KBWI

Prepar3D SDK

New Features

  • Weather PDK now supports all functions available in SimConnect
  • Added CustomIcons sample showcasing new custom icon capabilities
  • Added additional Window PDK functions supporting 3D window positioning
  • Added PDK Menu service

Fixes and Improvements

  • Updated various documentation including Panel API, user selectable vehicles, texture types, and add-on scenery
  • Expanded IsSelectableVehicle support for use in fltsim cfg sections
  • Fixed issue where Weather METAR functions in SimConnect and PDK would return different formats
  • Fixed issue where the bounding box and radius override values were not being written out correctly by the 3dsMax exporter
  • Fixed issue that prevented Optimize Parts from working with complex vehicle models
  • Updated targeting pod sample showing controllable camera functionality
  • Removed Learning Management System (LMS) SDK sample and associated documentation
  • Added Managed Scenario Controller SDK sample. This can be used with LMS integration among other applications.
  • Fixed SimConnect_Text issue with displaying extended ASCII characters
  • Fixed issue with 3dsMax plugins not exporting OverrideRadius and OverrideBoundingBox values
  • Added key event token and event id lookup functions to PDK
  • Fixed crash and added warning message when attempting to create VC textures with filenames greater than 16 characters
  • Fixed crash in managed SimConnect applications on shut down. These applications will need to be recompiled for this change to take effect.
  • Fixed several issues with the EnvironmentForceManager

The Lockheed Martin Prepar3D team loves hearing about your experiences with Prepar3D at our Forums. The forums also give us an opportunity to listen to your feedback as we continue Prepar3D development. We’ve partnered with our forum users and with several featured developers to continue to bring added features, enhancements, and optimizations all while enabling additional backwards compatibility, making bug fixes, and improving stability.

Thank you for your continued support for Prepar3D.

We hope you find that Prepar3D v4.1 continues to be the most immersive learning, simulation, and training platform available.

09-25-17

Members of the Prepar3D development team will host a Reddit AMA on Tuesday September 26th from 1-2 PM EDT. Feel free to join the live discussion as we answer any questions you may have regarding Prepar3D development, Flight Simulation, working at Lockheed Martin, and anything in-between. We will post additional information on the day of the event so stay tuned!

A link to the event is now on the Lockheed Martin Twitter page: https://twitter.com/LockheedMartin

08-24-17

PC Pilot Cover

The new September/October issue of PC Pilot is now available! Prepar3D v4 is featured as this issue’s cover story including a full review.

More details on this release can be found on PC Pilot’s website here.

Originally launched in 1999, PC Pilot is the world’s best selling flight simulation magazine. More information on PC Pilot including how to get the latest issue can be found on their website http://www.pcpilot.net/.

07-27-17

Bergen Community College in Paramus, New Jersey is leading the way in creating experimental unmanned technology and they are using Prepar3D® as one of the foundational technologies to achieve it. Equipped with the state-of-the-art Prepar3D simulation platform, 3/D printers, engineering computer assisted drafting software, and a cultivated staff of professors, students began to create blueprints for a novel aircraft: the UV-4 V/STOL UAV unmanned vehicle.

Find out more about this unique and ambitious STEM effort here.

06-26-17

The Prepar3D team is excited to announce the first Hotfix update to Prepar3D v4.0 (4.0.28.21686). It can be downloaded immediately from the Purchased Downloads section of the website.

It addresses many reports and requests from our forum users.

For those that are interested in updating, only the Client installer is required for most fixes present in Prepar3D v4.0 Hotfix 1. The Content, Scenery, and SDK installers are optional. Each fix listed below is categorized per installer. Please note you must first have Prepar3D v4 installed to utilize any of the standalone installers (Client, Content, and Scenery).

To install the new Client, you must first uninstall your current Prepar3D v4 Client via Programs and Features in Windows Control Panel.

The Prepar3D v4.0 update will require you to reactivate your product, however if you have an internet connection or have not made any major hardware changes between installations this should not be an issue. For more information please view the Prepar3D v4 Download and Installation Directions.

The newly posted Prepar3D v4 (4.0.28.21686) Full Download on the Purchased Downloads page includes the Hotfix.

Please be aware that some third party developers might have to update their add-ons to be compatible with the hotfix. Please contact the third party developers directly for any compatibility questions.

Prepar3D v4.0 Hotfix 1

    Client Fixes and Improvements

    • Fixed an issue in VR views that prevented dynamic lighting in the right eye
    • Fixed memory leak related to external views and vehicle textures
    • Fixed performance impact when entering and then exiting VR
    • Fixed text label size mismatches in VR
    • Corrected an issue where a scenario saved from the startup screen would not be loaded after a reset
    • Preventing vehicle sounds from playing during load
    • Fixed a crash on startup due to controllers using bad port and hub values
    • Added an unobtrusive watermark for developer licenses
    • Fix for ICAO entries in the Logbook
    • Added the Delete Scenario button back to the Scenario user interface
    • Fixed effect texture orientations being flipped (e.g. coastline waves)
    • Fixed the Graphics Profile Name not syncing with the correct saved graphics settings
    • Interface windows will no longer move behind main window when losing focus
    • Fixed Logbook issue that was preventing logging start/end points
    • Corrected various issues with the Flight Instructor user interface
    • Added pitch, bank, heading to the GPS broadcast capabilities for electronic flight bags
    • Updated various XML configuration file encodings
    • Corrected a commands binding error with the Steering Set key
    • Fixed issue preventing the vehicle preview screen from rendering in the Edit Scenario window
    • Changed the default textbox to ICAO for the Select Airport user interface
    • Fixed multiplayer crash when using Direct IP connections
    • No longer instantiating radios if they are not configured for an object
    • Fixed an issue where the vehicle preview window would not render in certain views
    • Fixed an issue where View Group selection would be out of sync with the context menu
    • Fixed scenery.cfg encoding issue after leaving the Scenery Library view
    • Fixed an issue where SimConnect applications were receiving the wrong event id
    • Fix for a crash when using index 0 with payload stations
    • Fixed issue related to the flag SIMCONNECT_CLIENT_DATA_PERIOD_ON_SET not working with SimConnect_RequestClientData
    • Fixed null terminating string issue when using RequestDataOnSimObject with ATC strings
    • Fixed an issue where undocking views would not immediately be processed
    • Fixed an issue regarding minimum temperature in the Advanced Weather view
    • Fixed an issue where the Scenery Library was not reporting all errors
    • The Select Airport view’s ICAO search box is now above other search boxes
    • Minor layout updates to the Select Airport screen
    • Content error reports will now have more detailed XML parse error messages
    • Fixed an issue where malformed DLL.xml and EXE.xml files would cause Add-on DLL and EXE to fail to load
    • Fixed an issue where multiplayer settings were not correctly assigned when using the Direct Connect method
    • Added reverse thrust axis events
    • Fixed issues with certain locale settings
    • Traffic settings now save again in Graphics Profiles
    • Added exception handling for error that would occur when certain audio codecs were installed
    • Fixed crash that could occur when making modifications to the Scenery Library with add-on scenery
    • Fixed issue that caused stars to draw in the incorrect order
    • Added Show Only Favorites button back to Vehicle Select Screen

    Content Fixes and Improvements

    • Corrected the clickable mouse area of the RadarGauge
    • Fixed the F-16 speedbrakes

    Scenery Fixes and Improvements

    • Fixed errant river feature in ocean QMID 50,31 (West Africa)
    • Fixed incorrect locations of certain buildings and bridges in Instanbul

    SDK Fixes and Improvements

    • Corrected issues with autogen Annotator building selection that would result in missed or incorrect selections
    • Fixed unicode issues with Traffic Toolbox
    • Fixed an issue where second UV channels were not correctly being exported to .X files
    • Fixed a crash in the Shp2Vec tool when compiling polygons with less than three points

Thanks again for your support!