You can find a visual overview of what's new for this release on our website.

Major Updates

New Features:

• 3D Printing Support: Export any component or combination to OBJ file (fixes [#604])
• RASAero compatibility: Import/Export CDX1 files (fixes [#875] and [#1147])
• Dark mode (normal and high-contrast) and custom UI font size support (fixes [#1089])
• Export sim table to CSV (fixes [#2077])

Bug Fixes:

• Fix Tube fin drag (fixes [#2065])
• Fix Base drag when using Cd override (fixes base drag hack sim error, fixes [#2118])
• Fix Atmospheric pressure when using ISA conditions (fixes [#2103])
• Properly sanitize XML in ORK file (eliminates corrupt ORK files, fixes [#2051])

Other New Features

• Bumped app to Java 17
• Export and import preferences to XML file
• Display secondary stability unit. This means you can display stability in both calibers and percentage of length (fixes [#2079])
• Added "cases" and "manufacturers" substitution in motor config names (fixes [#2055] and [#2204])
• Selection of "common name" or "manufacturer's designation" in motor selection table is now reflected everywhere else in the program (fixes [#2072])
• Added "plugged" option in charge delay combobox (fixes [#2090])
• Added motor type to "show details" in motor selection (fixes [#2069])
• Added instances settings in launch lug config (fixes [#2035])
• Account for fin cant in fin root points, and support canted fins in fin marking guide (fixes [#2231] and [#2242])
• Set cluster tube separation in absolute or relative units (fixes [#1970])
• Support transparent rendering and export of Photo Studio images (fixes [#2076])
• Added "Select -> Components of same color" and "Select -> None" options (fixes [#2129])
• Remember column width, order and visibility in component preset table (fixes [#2357])

Bug Fixes

• Fixed mass issues with fin sets (fixes [#2217])
• Fixed CG issues for launch lugs and rail buttons (fixes [#2040])
• Improved rail button drag calculations
• Added parts detail for pods and boosters (fixes [#2084])
• Fixed parachute position when using auto radius (fixes [#2036])
• Fixed pod set and booster marker position under certain circumstances (fixes [#2047])
• Fix CG marker location in top view (fixes [#2050])
• Handle zero-area fins (warn and don't crash with NaN error) (fixes [#2032])
• Don't dispose config dialog when no components are selected in 3D view (fixes [#2108])
• Display ISA values in temp and pressure fields (fixes [#2104])
• Improved simulation of fins on transitions and nose cones (fixes [#2113])
• Cleaned up multi-sim editing (fixes [#2138] and [#1826])
• Update ruler units immediately when preferences are changed (fixes [#2151])
• Compute CG and CP based on currently active stages (fixes [#2171])
• Improved mass/CG calculations for fillets (fixes 2209)
• Set auto radius correctly for mass objects (fixes [#2267])
• Apply radial positioning to multi-engine clusters (fixes [#2283])
• Fixed 3D rendering of fin tabs (fixes [#2286])
• Update recent file list when opening via file association (fixes [#2222])
• Corrected the columns displayed in the component preset table's popup menu, ensuring only relevant columns appear
• Ensured optimum delay is saved in flight summary and .ork files (fixes [#2353])
• Corrected longitudinal moment of inertia calculations by excluding shoulders (fixes [#2278])
• Fixed exception when setting wind speed to zero (fixes [#2386])
• Fixed unexpected mass and CG override interaction (fixes [#2394])

Miscellaneous

• Updated example rockets (including brand-new two stage example)
• Show calculated values in override tab (fixes [#1629])
• Decrease minimum FoV to 10 degrees in Photo Studio
• Increase resolution of launch temperature and pressure to 2 decimal places (fixes [#2003])
• Display Cd override with 3 decimal places
• Added wiki button to help menu (fixes [#2046])
• Eliminate option to save "some" sim data (fixes [#2024])
• Added OK/Cancel buttons when editing simulations (fixes [#2158])
• Added OK/Cancel buttons when editing preferences (fixes [#2266])
• Added multi-sim edit indicators (fixes [#2159])
• Show warning when motor file has illegal format (fixes [#2150])
• Reset window position if off-screen (fixes [#2141])
• Keep current field value when "auto" option is unchecked (fixes [#2096])
• Open dialog to save design info when first saving file
• Added '3D Printable Nose Cone and Fins' to example rockets
• Use more sensible colors for thrust curve selection in motor selection dialog (fixes [#2385])

...along with numerous other minor fixes and enhancements.

Contributors for this release: @SiboVG @JoePfeiffer @hcraigmiller @neilweinstock @RemingtonHolder @thzero @UncleRus @raynichc @MayNc10 @ptsongalis @JonathanJagt23 @wolsen @jura0207 @janforys @MedKebsi @luzpaz @jimmiedave @SpaceXCheeseWheel