- 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).