Feature: Add option to adjust font size separately from GUI size. (#7003)

Add: News menu entry and shortcut for deleting all messages. (#7240)

Add: Show performance of AI and GS in framerate window

Change #6800: [OSX] Use high-precision scrolling deltas for 2D scrolling

Change: Add scrollbar to cargo legend in cargo payment rates window.

Change: Framerate window can now scroll and resize

Change: Increase maximum number of orders from 64000 to ~16.7m. (#7220)

Change: Make mini-map widget capture mouse when left-click dragging.

Change: Make volume slider widget capture mouse when clicked.

Change: [OSX] Prevent 2D scrolling for traditional scroll wheel mice

Change: Owner of vehicle with exclusive transport rights may now load cargo from neutral stations (#7256)

Change: Skip reliability decay if servicing is disabled

Change: Use selected group as parent when creating a new group. (#7224)

Change: Use SlErrorCorrupt() on pool index error when loading a savegame, instead of terminating. (#7219)

Fix 1585eb1a3: wrong default selection for goals and story book

Fix #6599: Disable build and rename button in build vehicle window when no vehicle is selected.

Fix #7004: Mark linkgraph dirty to be rebuilt on next draw call. (#7265)

Fix #7090: Close Query String window after rebuilding AI/GS settings

Fix #7091: Close dropdown menu windows after rebuilding AI/GS settings

Fix #7151: AI start date deviation was still applied when not set to a random AI. (#7223)

Fix #7159, e934f09: Waiting time at red one-way signals was too short.

Fix #7189: Fluidsynth volume gain too high

Fix #7197: Invalidate depot buttons when necessary. (#7212)

Fix #7224: AI could no longer create groups. (#7233)

Fix #7226: Don't call ship pathfinders if there is no available track due to "forbid 90 deg turns".

Fix #7227: Don't apply mouse-hasn't-moved test to scrollbars.

Fix #7244, 6ca637b8c1: OPF doesn't take 90 deg turns into account.

Fix: colour of network specific strings in company dropdown menus

Fix: Do not mangle tagged revision strings for network revision strings

Fix: Remove desert around lakes upon generation

Fix: Resorting file list did not update filtered rows.

Fix: use more descriptive "spectator" strings for story book and goal dropdown menus

Fix: year for 1.9.0 betas in changelog

Doc: [AI] UnshareOrders empties the orders list of the vehicle.