Post created by @Thatflyerguy
Pre-alpha - ? - INN, BRI, PRG, ATR72 (AT76), B738, A320, A340 (A346), A380 (A388)
1.21 - 15/07/19 - Airport selection, arrival board
1.21a - 16/07/19 - Hotfixes
1.22.3 - 15/08/19 - CONCORDE (CONC), E190, special arrivals, New Liveries
1.23 - 24/08/19 - New handling sequence
1.23.1 - 28/08/19 - BAe 146 (B463), registrations
1.23.2.1 - 08/09/19 - Golden airplane exchanges, New Liveries
1.23.3 - 09/09/19 - Hotfixes
1.23.4 - 01/10/19 - Handling boost, destination unlocks
1.23.5 - 11/10/19 - Main menu UI
1.23.7 - 18/10/19 - New handling animations
1.0.0 - 22/10/19 - Release to public
1.0.1 - 25/10/19 - Hotfixes
1.0.3 - 28/10/19 - Airport Resets, Leaderboard
1.0.4 - 06/11/19 - Hangar Update, New Liveries
1.0.5 - 10/11/19 - Tutorial, New Liveries
1.0.6 - 17/11/19 - B787 (B789)
1.0.7 - 03/12/19 - Player Connections, In-game Achievements, Water Salute
1.0.8 - 17/12/19 - Random Player Arrivals, New In-game Achievements
1.1.0 - 19/12/19 - IAD, CRJ700 (CRJ7), New Liveries
1.1.1 - 20/12/19 - Hotfixes, New Liveries
1.1.2 - 06/01/20 - New Liveries
1.1.4 - 14/01/20 - B777 (B772)
1.1.5 - 22/01/20 - Player Connections Changes
1.1.6 - 01/02/20 - Cargo, BAe146-200 CG (B463F)
1.1.7 - 12/02/20 - B747 (B748), New Liveries
1.1.8 - 02/03/20 - Parking Minigame, Hangar Update, Double Jetbridges
1.1.9 - 04/03/20 - Hotfixes
1.1.10 - 22/03/20 - B737 CG (B738F), B747 CG (B748F)
1.1.11 - 19/04/20 - Maintenance, New Liveries
1.1.12 - 27/04/20 - A350 (A35K)
1.2.0 - 13/05/20 - NGO, New Liveries
1.2.1 - 14/05/20 - Hotfixes
1.2.2 - 15/05/20 - Hotfixes
1.2.3 - 01/06/20 - New UI, New Liveries
1.2.6 - 08/07/20 - Dash Q400 (DH8D), Saab 340 (SF34), C130 (C30J), Destinations System, New Liveries
1.2.7 - 15/07/20 - Hotfixes
1.2.8 - 28/07/20 - DH Comet (DH64), Airport Levels, Stopovers, New Destinations, New Liveries
1.2.9 - 05/08/20 - New Liveries
1.2.10 - 14/09/20 - B757 (B752), B777 CG (B77LF), Fleet Management, Airport Levels, New Destinations, New Liveries
1.2.11 - 19/09/20 - Hotfixes
1.2.13 - 22/10/20 - C17, Multi-tier Stands, New Liveries
1.30.0 - 08/11/20 - SAN, New Destinations, New Liveries
1.30.1 - 09/11/20 - Hotfixes
1.30.2 - 09/12/20 - B738 Remodel, Weather
1.30.3 - 11/12/20 - Hotfixes
1.30.4 - 21/12/20 - B734, AN225 (A225), New Destinations, New Liveries
1.30.5 - 03/02/21 - INN Terrain, A319 Remodel, Menu UI Redesign, New Destinations
1.30.6 - 05/02/21 - Hotfixes
1.30.7 - 11/03/21 - PRG Terrain, B738F Remodel, B734, B38M, A19N, AT43, AT43F, AT46, AT76, New Destinations, New Liveries
1.30.8 - 21/04/21 - BRI Terrain, A332, New Destinations, New Liveries
1.3.9 - 26/04/21 - Arrival System, Destination System Improvements
1.40.0 - 18/06/21 - MCT, A332RR, E170, E175, New Destinations, New Liveries
1.40.1 - 22/06/21 - A333
1.40.2 - 26/06/21 - New Liveries
1.40.3 - 20/08/21 - A3ST, A332F, A388 Remodel, New Destinations
1.4.4 - 27/10/21 - IAD Terrain A306, A333RR, A343, A346, WoApedia, New Destinations, New Liveries
1.4.5 - 05/11/21 - E190 Remodel
1.50.0 - 25/12/21 - LEJ, SF34F, AT75F, B752F, AN12, A30BF, A306F, A124, Silver Airplanes, New Destinations, New Liveries
1.50.1 - 26/12/21 - New Destinations
1.50.2 - 16/02/22 - AN22, Deicing Minigame, Hotfixes
1.50.3 - 23/02/22 - Hotfixes
1.50.4 - 03/03/22 - New Destinations
1.50.5 - 23/05/22 - Top Gun (SAN)
2.0.0 - 04/07/23 - SXM, B744, B77W, B772 Removal, DHC6, Contracts, Changed Maintenance, New Progression System, New Destinations, New Liveries, New UI
2.0.1 - 17/07/23 - Level XP Adjustments
2.0.2 - 15/08/23 - New Destinations, New Liveries
2.0.3 - 13/09/23 - BCS1, BCS3, New Destinations
2.1.0 - 03/12/23 - BRI Remodel, B788, B789 Remodel, B78X, ATC, New Destinations
2.2.0 - 18/12/23 - LHR, WoApedia Return, New Destinations, New Liveries
2.2.1 - 21/12/23 - New Liveries
2.2.2 - 19/01/24 - B463 Remodel, B463F Remodel
2.2.3 - 23/02/24 - A359, A35K Remodel, New Destinations, New Liveries
2.2.4 - 15/03/24 - New Destinations
2.2.5 - 17/03/24 - Hotfixes
2.2.6 - 26/03/24 - Hotfixes
2.2.7 - 30/05/24 - Hotfixes
2.3.0 - 15/05/24 - A319 Remodel, A19N Remodel, A320 Remodel, A318, A321, A321F, A20N, A21N, A21NX, Taxiing System, Bus Models, New Destinations, New Liveries
2.3.1 - 17/05/24 - Hotfixes
2.3.2 - 24/05/24 - New Liveries
2.3.3 - 30/05/24 - Landing Priority
2.3.4 - 14/06/24 - AN12 Update, New Liveries
2.3.5 - 25/06/24 - Hotfixes
2.4.0 - 23/07/24 - SYD, DH8D Remodel, New Destinations, New Liveries
2.4.1 - 28/07/24 - New Liveries
2.4.2 - 29/07/24 - Hotfixes
2.4.3 - 30/07/24 - Hotfixes
2.4.4 - 23/08/24 - DH8A, DH8B, DH8C, New Destinations, New Liveries
2.4.5 - 17/09/24 - Aircraft Lighting, New Liveries
2.5.0 - 22/10/24 - BKK, New Destinations, New Liveries
2.5.1 - 31/10/24 - New Liveries
2.6.0 - 16/12/24 - MSY, IAD Remodel, B77W Remodel, B77LF Remodel, B772 Return, B762, B762F, B763, B763F, B764, B77L, B773, B77WF, Shared Stands, New Destinations, New Liveries
2.6.1 - 19/12/24 - Hotfixes
2.6.2 - 20/01/25 - CONC Remodel, New Liveries
2.6.3- 21/01/25 - Hotfixes
3.0.0 - 1/4/25 - CRJ2 Remodel, CRJ7 Remodel, CRJ9 Remodel, CRJX, CRJ2F, Runway Lighting, GRU Airport, New UI, Packages, New Liveries, New Destinations, New Aircraft Categorization (A-G), Bug Fixes
3.0.1 - 3/4/25 - Hotfixes
3.0.2 - 21/4/25 - Bug Fixes and UI Changes
3.0.3 - 28/5/25 - Bug Fixes, New Aircraft Family (E-Jet), Graphical Changes, Inflight View, New Liveries, New Destinations
3.0.4 - 7/6/25 - Bug Fixes, New Liveries, New Inflight View Features
Credit to Geo for 1.0-2.6.3
all updates that do not have a link to release notes never had notes posted in the first place.