Changes in 6.2.0 (2025-12-06)
Upgrade minimum versions to CMake 3.17 and C++20.
Fix several compilation warnings/issues with newer compilers.
Support 32bpp only sprites.
Support alternate sprites for RTL languages.
NFORenum specific changes:
Data file updates:
Action 5, type 19 (road waypoint), type 1A (rocky overlay), type 1B (bridge decks) added.
Action 5, type 15 (OpenTTD GUI): now 192 sprites are allowed.