albar965/littlenavmap v1.6.3 on GitHub

Changes from Release 1.4.4 to 1.6.3

The scenery database format has changed and the program will ask to erase its own databases if started.

Can read full X-Plane scenery database: Airports, aprons, taxiways, navaids, airways, procedures (including speed limits). Also add-on overrides and path exclusions in the options dialog.
Supports navdata updates.
Display of AI aircraft on map and in information window.
Weather from X-Plane downloaded weather file METAR.rwx (station or nearest station).
Copy airspaces from FSX or P3D to X-Plane database.
FMS and FLP flight plan file loading and saving.
Moving map. Needs the Little XpConnect X-Plane plugin which is included in the download archive.
Altitude and one-way restrictions for airways are considered when calculating flight plans.
Supported platforms are Windows, macOS and Linux for all programs.

Automatic update check on startup (daily, weekly or manual) with settings in options dialog on tab Startup.
Added push buttons in flight plan and procedure search top area to remove selection and map highlights.
Rhumb line measurement now shows both magnetic and true course where declination is based on origin.
Can now load and save FMS and FLP flight plan formats.
Can load FS9 flight plan format.
Route string generation is now more robust for malformed and incomplete flight plans.
Now erasing wrong airway entries at departure and destination when loading flight plan to avoid problems with malformed flight plans from other tools.
Shows startup positions in the information window now.
Added donation link to help menu and about dialog.

Improved weather display for nearest station: Added name, distance and map link to reporting station if that is an airport.
FSX and P3D: Fixed several problems with magnetic declination by using magdec.bgl file now.
Fixed issues when loading P3D v4 add-on.xml.
Fixed crash when loading older FSX/P3D scenery.
Fixed handling and display of helipads. Now using name as an identifier.
Improved detection of military and closed airports.
Database loading dialog now pops up after erasing incompatible databases.
Fixed missing encoding in saved FSX PLN files causing problems with other tools.

See the include file CHANGELOG.txt for a detailed list of all changes across all versions.