Changelog for Patch 98 (added 18 September 2018):

* Fixed issue with focus/ignore zones causing crash
* Fixed a crash caused by selecting units in multiplayer
* Added option for scaling the UI (for players with large monitors or high-DPI screens)
* Added option for changing the zooming in/out speed for the city camera
* Fixed crash caused by adding and deleting units when creating advanced multiplayer games
* Fixed problem where your squad couldn't catch up to another squad which was on the move (e.g. intercept relic)
* Fixed issue with Secure where attackers didn't have a location from which to spawn
* Updated Bomb Defusal instructions
* Fixed issues causing save corruption

Changelog for Patch 99 (added 21 September 2018):

* Fixed several exploits for Hostage games
* Fixed issue with tutorial where you could get stuck at the rocket launcher stage and not progress
* Fixed problem caused by rewinding and playing back a turn
* Fixed units spawning outside of mission area
* Misc. tutorial fixes
* Fixed crash caused by dragging a 'ghost unit' around while the turn is playing back
* Balance change: you can no longer focus aim immediately after standing up
* Fixed 'triangle rocket' crash
* Misc. bug fixes
* Misc. crash fixes
* Splashscreens look better at resolutions above 1920x1080


Changelog for Patch 100 (added 25 September 2018):

* Triple click fix
* Problem with Stadium mission fixed
* Various problems with deployments and setup fixed, including
* Fixed issue where item room location wasn't saved
* Issue where the minigunner couldn't be dragged
* Various misc. fixes

How come the changelog is always 1 version behind the actual game, btw? For example the change log talks about version 100 but my game shows 101.

Changelog for Patch 102 (added 02 October 2018):

* NEW: Added an instant skirmish button and advanced skirmish generator
* NEW: Full match replay for finished missions or matches
* Fixed an issue with level generation causing inaccessible areas
* Fixed a desync/glitch to do with the pistol
* Trees and water are back
* Removed toxic grenade launcher units from some single player missions
* Various miscellaneous fixes

Changelog for Patch 104 (added 10 October 2018):

* Fixed an occasional campaign breaking bug
* Fixed issue where you could only send 1 squad out on missions or contracts
* Fixes to Instant Skirmish
* Ducked flamethrower/minigunner can no longer kill past cover
* Fixed flamethrower/minigunner weapon 'volumes' showing up in dark modes
* Game now shows the position of a player when they launch an arc weapon (e.g. grenade launcher) in dark mode
* Improvements to Bomb Defusal map generator
* Base Defends now have a time limit for the AI to win - if they can't do it in 20 turns or less then they lose

Changelog for Patch 105 (added 19 October 2018):

* Added 'Story Missions Only Mode'. Play through the campaign in an uninterrupted stream of encounters like in the original Frozen Synapse.
* Crash fixes
* Miscellaneous fixes

Changelog for Patch 107 (added 26 October 2018):

* Fixed crash to do with planning for ghost units
* Added alert for not having an ammo contract before playing a story mission which requires it

Changelog for Patch 108 (added 02 November 2018):

* Fixed some crashes to do with planning for ghost units
* Fixed being able to zoom out too far in Advance MP and Skirmish generators
* Improved wording of instructions for base defence missions and reduced timeout to 12 turns
* Miscellaneous crash fixes
* Fixed Advanced MP generator making blank Extermination Old School maps after a while
* Fixed issue with Shape Control
* When you kill a faction's HQ the faction will now die even if the leader isn't there
* Squad regen time is now shown in the selected object window on the main screen
* Now guaranteed to get a good unit after completing the tutorial mission
* Added new keyboard shortcuts (see Menu>Help>Hotkeys)
* Stop and Engage on Sight now have an icon for units when they use it
* Added some new help sections to Menu>Help and also a link to a tutorial video

This game is currently missing the Nov 13th update:
https://steamcommunity.com/games/445020/announcements/detail/1707322465284894253