- Feature: [#10807] Add 2x and 4x zoom levels (currently limited to OpenGL).
- Feature: [#12703] Add scenario plugin APIs.
- Feature: [#12708] Add plugin-accessible names to all game actions.
- Feature: [#12712] Add TCP / socket plugin APIs.
- Feature: [#12840] Add Park.entranceFee to the plugin API.
- Feature: [#12884] Add BaseTileElement.occupiedQuadrants to the plugin API.
- Feature: [#12885] Add SmallSceneryElement.quadrant to the plugin API.
- Feature: [#12886] Make all scenery placement and remove actions available to the plugin API.
- Feature: [#2350, #12922] Add snow, heavy snow and blizzard to weather types.
- Fix: [#400] Unable to place some saved tracks flush to the ground (original bug).
- Fix: [#5753] Entertainers make themselves happy instead of the guests.
- Fix: [#7037] Unable to save tracks starting with a sloped turn or helix.
- Fix: [#12691] Ride graph tooltip incorrectly used count instead of number string.
- Fix: [#12694] Crash when switching ride types with construction window open.
- Fix: [#12701] Silent NSIS setup flag /S isn't silent, upgrade pop-up appears anyway.
- Fix: [#12737] Space Rings draw the same vehicle 4 times.
- Fix: [#12756] Scenario Editor crashing the game on macOS.
- Fix: [#12764] Rides don't start aged anymore.
- Fix: [#12818] Ride price not ignored in free-rides parks.
- Fix: [#12820] Title menu buttons not invalidating properly
- Fix: [#12845] Deleting ride with active ad campaign creates incorrect notification.
- Fix: [#12857] Incorrect Peep thoughts in imported RCT1 parks.
- Fix: [#12881] Guests' favourite rides are not listed in the guest window.
- Fix: [#12910] Plugin API: getRide sometimes returns null for valid ride IDs.
- Fix: [#12912] Plugin: selectedCell of CustomListView is being ignored on creation.
- Fix: [#12918] Cannot place vanilla TD6 tracks of the Hypercoaster, Monster Trucks, Classic Mini Roller Coaster, Spinning Wild Mouse and Hyper-Twister types.
- Fix: Incomplete loop collision box allowed overlapping track (original bug).
- Improved: [#12806] Add Esperanto diacritics to the sprite font.
- Improved: [#12837] Arabic text is now drawn and shaped correctly on Windows.
- Improved: [#12890] Add stroke to lowercase 'L' to differentiate from capital 'I'.
- Technical: [#12749] The required version of macOS has been lowered to 10.13 (High Sierra).
Fixed some CMakeLists.txt problems, made another target for converting
section images into something palatable by ld, modified the linker
script to place these ssection at predefined VMAs and updated openrct2.c
with new checks.