- Headline feature: [#10664] New save format with increased limits.
- Feature: [#714] Allow up to 255 trains per ride.
- Feature: [#2253] Path surfaces and railings can be mixed and matched, like in RCT1.
- Feature: [#2766] The Fruity Ices Stall can now be recoloured, like in RCT1.
- Feature: [#4933] Allow map sizes of 999 × 999 (up from 254 × 254).
- Feature: [#7660] Custom music objects that are distributed with the save.
- Feature: [#8407] Ride platforms can be made invisible.
- Feature: [#12793] Add Excitement/Intensity/Nausea ratings to Ride List view with sorting.
- Feature: [#13858] Flatride bases can be made invisible.
- Feature: [#14676] [Plugin] Allow plugins to store data in .park files.
- Feature: [#15367] Individual track elements can now be drawn as another ride type.
- Feature: [#15901] [Plugin] Add ‘map.getAllEntitiesOnTile’ to API.
- Feature: [#16029] [Plugin] Add ‘TrackElement.rideType’ to API.
- Feature: [#16097] The Looping Roller Coaster can now draw all elements from the LIM Launched Roller Coaster.
- Feature: [#16132, #16389] The Corkscrew, Twister and Vertical Drop Roller Coasters can now draw inline twists.
- Feature: [#16144] [Plugin] Add ‘ImageManager’ to API.
- Feature: [#16707] [Plugin] Implement intransient plugins.
- Feature: [#16707] [Plugin] New API for current mode, ‘map.change’ hook and toolbox menu items on title screen.
- Feature: [#16731] [Plugin] New API for fetching and manipulating a staff member’s patrol area.
- Feature: [#16800] [Plugin] Add lift hill speed properties to API.
- Feature: [#16806] Parkobj can load sprites from RCT image archives.
- Feature: [#16831] Allow tertiary colours for small and large scenery objects.
- Feature: [#16872] [Plugin] Add support for custom images.
- Improved: [#3517] Cheats are now saved with the park.
- Improved: [#10150] Ride stations are now properly checked if they’re sheltered.
- Improved: [#10664, #16072] Visibility status can be modified directly in the Tile Inspector’s list.
- Improved: [#16251] Plugin API handles null values better.
- Improved: [#16251] openrct2.d.ts: mark ‘callback’ argument of queryAction and executeAction as optional.
- Improved: [#16251] openrct2.d.ts: change ‘network.status’ to ‘network.mode’ in network API docs.
- Improved: [#16251] openrct2.d.ts: added previously undocumented ‘GroupBoxWidget.text’ property.
- Improved: [#16251] openrct2.d.ts: removed unused ‘LabelWidget.onChange’ property.
- Improved: [#16258] Increased image limit in the engine.
- Improved: [#16408] Improve ‘--version’ cli option to report more compatibility information.
- Improved: [#16740] Allow staff patrol areas to be defined with individual tiles rather than groups of 4x4.
- Improved: [#16764] [Plugin] Add hook ‘map.save’, called before the map is saved.
- Improved: [#16925] The queue length of 1000 guests is lifted, and a warning for too long queues is added instead.
- Change: [#14484] Make the Heartline Twister coaster ratings a little bit less hateful.
- Change: [#16077] When importing SV6 files, the RCT1 land types are only added when they were actually used.
- Change: [#16424] Following an entity in the title sequence no longer toggles underground view when it’s underground.
- Change: [#16493] Boat Hire and Submarine Ride support costs now match their visual appearance.
- Change: [#16710] Changed default view of Guest List to ‘Thoughts’ and selected tab will default to ‘Summarised’ (when opened from the menu).
- Change: [#16859] Guests with umbrellas no longer always avoid going into a Maze.
- Change: [#16912] Tired or nauseated guests will no longer jump in a Maze.
- Fix: [#6767] Black screen after Alt-Tabbing back into the game.
- Fix: [#11752] Track pieces with fractional cost are too cheap to build.
- Fix: [#12556] Allow game to run without audio devices.
- Fix: [#12774] [Plugin] Scripts will not be re-initialised when a new scenario is loaded from within a running scenario.
- Fix: [#13336] Can no longer place Bumble Bee track design (reverts #12707).
- Fix: [#14155] Map Generator sometimes places non-tree objects as trees.
- Fix: [#14674] Recent Messages only shows first few notifications.
- Fix: [#14920] Ghosts for rides and shops do not auto-elevate when obscured.
- Fix: [#15413] Modifying park rating with plugins desyncs park rating history from actual park rating.
- Fix: [#15571] Non-ASCII characters in scenario description get distorted while saving.
- Fix: [#15830] Objects with RCT1 images are very glitchy if OpenRCT2 is not linked to an RCT1 install.
- Fix: [#15909] Text can overflow in ‘Select ride design’ windows.
- Fix: [#15947, #15960] Removing a flat ride results in an error message and duplicate structures.
- Fix: [#15998] Cannot set map size to the actual maximum.
- Fix: [#16007] Scenario Editor “Entry Price” appears to the right of the value field.
- Fix: [#16008] Tile Inspector can select elements from last tile without reselecting it.
- Fix: [#16024] Go-Karts with more than 32 vehicles do not colour themselves correctly.
- Fix: [#16026] Newly created rides with “Disable vehicle limits” cheat always get 32 trains with 12 cars each.
- Fix: [#16063] Object Selection preview for objects with glass is broken.
- Fix: [#16075] Exporting track designs saves scenery in incorrect locations.
- Fix: [#16087] The Looping Roller Coaster booster is now always drawn correctly.
- Fix: [#16140] The ‘Follow this’ option is now disabled when the ride view is set to ‘overall’ or a station.
- Fix: [#16162] Go Karts speeds are not correctly randomised, they only go very fast or very slow.
- Fix: [#16188] Medium-size banked turns on the Twister and Vertical Roller Coaster have incorrect support placement (partly original bug).
- Fix: [#16264, #16572] Placing saved track design crashes game.
- Fix [#16308] Crash when trying to place down a ride on Android.
- Fix: [#16327] Crash on malformed network packet.
- Fix: [#16449] [Plugin] Viewport doesn't hide when switching tabs.
- Fix: [#16450] Banner style not copied when using tile inspector.
- Fix: [#16535] Entering construction mode unblocks all paths.
- Fix: [#16542] “Same price throughout park” status not correctly imported for RCT1 saves.
- Fix: [#16572] Crash when trying to place track designs.
- Fix: [#16591] [Plugin] ‘setInterval’ and ‘setTimeout’ is not disposed when map unloads.
- Fix: [#16711] [Plugin] ‘Car.rideObject’ overflowing with more than 256 ride types.
- Fix: [#16779] Fix case where title music doesn't unmute properly.
- Fix: [#16808] Incorrect track design serialisation causing vehicle object replacement.
- Fix: [#16869] Soft Toy Stall cannot be recoloured, but shows a recolouring option anyway (original bug).
- Fix: [#16995] Native Linux dialog windows do not open if the path contains single quotes.
- Fix: [objects#165] Glitch when Bengal Tiger Cars go through a corner.
Olivier Wervers