Patch 252 (11 December 2015) / GOG-14 (GOG v2.10.0.14)

Additions:

Completely new Research trees. All trees have been replaced with new ones that allow more different strategies.
Supply gain and usage over the whole game changed.
Pedrinho has a new Captain Perk! His parties in Paris, Mumbai, Zanzibar and Cape Town are OFF. THE. CHARTS. (Rivaleux is not invited)
Asian jobs now also give a lesser token, triggering some upgrades and treasures.
Crew members now gain an extra Trinket slot through levelling (instead of through Research). Level depends on class.

Balance:

Roll games give 2 XP (instead of 1). XP required for Levelling increased.
Fixed the most annoying thing ever in the game: Equipment shops now level through Gold! No more thinking: "darn, I still needed the Status I just blew on a helper."
Agatha's Inspiring Course now comes one level later.
Ivan base spirit raised to 45.
Emilia base speech defense lowered to 20, base armor to 5, and speech to 22.
Maria's base speech raised to 30.
Mali villagers believe in the good heart of people a little longer (switch attitude later)
Pedrinho's Party-Time cooldown increased to 4, cooldown Disarm increased to 5, power of partytime decreased to 50% and power of disarm decreased to 75%.
Pedrinho gets the Survivalist - Navigation perk instead of Survivalist - Hunting on lvl 2.
Emilia's academic bonus reduced to +1 Study
Because of all the changes, Renown gain from resources has been reduced: Gold: 0.075, Status: 0.08, Research: 0.12
Enemies on the Emerged Island are stronger
Demons in Shangri-La are a bit weaker.
Rose gives the Beguiler - Beautiful Smile perk instead of Beguiler - Storytelling
Druid's sheep are now Highland Sheep

Fixes:

Fixed Roche's Anchor treasure
Fixed more achievement issues
Fixed Dolores and Kwame's animations
Rivaleux no longer shows any mercy! (fixed AI bug where Rivaleux wouldn't act)

Patch 261 (18 December 2015) / GOG-15 (GOG v2.10.1.15)

New:

Added Galaxy leaderboards: compare your expedition scores with your friends'!
You can now continue your expedition after it's over.
Restart button added
Undo movement button added
You can now do movement in steps
Added extra tools for save game management

Balance:

Insight from Roche's Treasure and Water of Life reduced to 1.
Trinkets are cheaper and weaker. Removed a lot of the weird side effects.
Throwel and Broom aura reduced to -10 Speech Defense.
Tactician notes reduced to 15% Attack boost.
Selling price of items is now 75%
Movement in Shangri-La a bit cheaper
Offensive items are stronger, decent and good offensive items are 33% cheaper
Defenses of some later level characters increased.
Lecture Expert no longer doubles Discovery, Secret and TreasureHunt tokens
Kwame's double helper boost now fires at lvl. 5 Quick Thinker instead of lvl. 3.
Ramped up late game helper cost a bit

Treasures:

Globus Cruciger gives 3 Campaign and 3 Collect per lvl of Diplomat, and 2 Insight
Roche's Anchor gives 5 Collect per lvl of Stalwart, but 2 insight and 200 renown
Roche's coat gives 5 Study per lvl of Naturalist, but 2 insight
Roche's chest gives 1 insight
Ritual book gives 1 insight
Charlemagne's Hand no longer gives +5 Status from Campaign

Fixed:

Fixed the issue where you would quit/crash out of the overworld and be unable to get a new city.
Fixed Expedition Reports not working correctly.
Fixed cultural awareness triggering on wrong jobs.

Patch 264 (22 December 2015) / GOG-16 (GOG v2.10.2.16)

Hotfix for the latest patch, which fixes a crash when entering an encounter with a specific buff.

Patch 267 (22 January 2016) / GOG-17 (GOG v2.11.0.17)

Added some new adventures on the Highlands, as well as a new treasure.
When you revive a crew member, the reviver gains bonus defenses for 2 turn.
You can no longer equip trinkets brought from the overworld when on expedition
Emotion Resistances are more clearly displayed during encounters.
Most Shangri-La treasures got extra Renown bonuses.
Gold, Status and Research tooltip now show extra info about Renown gain.

Balance:

Cooldown of Strike of Fear raised to 6.
3rd and 4th tree of research significantly more expensive. This will allow you to actually OVER commit into science.
Lowered the Renown Gain from the research masteries to 50% to reduce dependency on them.
Gold and Status now have the same Renown modifier: 8%. Research still has 12%
Boosted the healing power of all speech abilities: "Try to.." from 20% > 30% (Impress stays at 25%) and normal from 25% > 35%.
Tranquility base power down to 40%.
Rivaleux has a ranged Physical attack
Scientist senses give +1 Study on a node of choice instead of +2.
Writing History gives +1 Campaign token instead of +2.
Apparatus Artists triggers on lvl 3 instead of lvl 2.
Changed psychology a bit.
The entourage for attitude (Pinkerton, Vaduva, etc.) is now pooled with same attitude: you will always have something useful per attitude instead of per resource type.
Moved Monymusk Relinquary to the Scottish Castle and McRea.
Cassandra in Egypt has lower defenses, mixed up resistances, Rivalini's have lower spirit
Demon battles in Shangri changed, both the characters and the way they respond to your attitude.
Red, green and blue demons all have different stats.
The Red Demon can now pin you down.
Shangri-La better advertises possible Supply stashes.
Changes to a few Shangri-La stories to have slightly more control over Resolve loss.
Shambhala key bonusses for Rivaleux lowered:
Strength: Armor 25->20, Attack 10->6
Heart: Terrified Nullify -> Resist, Speech 10->6
Mind -> Impressed Nullify -> Resist, Speech Defense 25->15

Captains:

Anna's captain perk nerfed, AGAIN. If she's still that much out of line, I declare her a cockroach and unnerfable. Bonus for gold and status reduced to 1-2 from 1-3.
Charles's captain perk bonus for gold and status reduced to 1-3 from 2-4 and curio reduced to 0-1 from 1-2.
Lowered Hildegard's science gain from 2-6 to 2-4.
Philippe now gains +4 Study token per medkit left at the end of an expedition.

Fixed:

Galaxy achievements are now stored correctly when the internet connection is interrupted
Renown multiplier bonuses for Gold didn't work. Now they do.
Slight changes to the way stories are placed in expeditions.
'Practical supplies' icon during expeditions changes to 'supplies' as they were only used to advertize supplies.
Zombie encounter no longer freezes when the Zombie frightens a Cultist
Fixed an exploit where Undo move could be used to use abilities from farther away.
Fixed an exploit where moving in steps avoided the slow of difficult terrain.
Items don't count as treasures any longer.
One.. More... Expedition is no longer still enabled after starting a new game
Revisitable nodes are now actually revisitable!
Fixed an exploit where you could get treasures multiple times by click spamming
Item Shop, Passport and Entourage Shop work a little better on smaller aspect ratios
Final node in Shangri-La now shows an objective cross.
Abilities that couldn't be used from next to opponents (like Piercing Shot) can now be used while standing next to Friendly defeated opponents on the edge of the arena.
Some typos.

Patch 274 (26 January 2016) / GOG-18 (GOG v2.11.1.18)

Fixes a crash when encountering The Sunken Cathedral

Patch 275 (28 January 2016) / GOG-19 (GOG v2.12.0.19)

Hotfix for patch 274.

Patch 277 (29 February 2016) / GOG-20 (GOG v2.13.0.20)

Fixes a GOG specific issue where the game would hang during loading when a user had uninstalled the GOG Galaxy client or had the client installed and running, but was not logged in.

Patch 309 (06 April 2016) / GOG-21 (GOG v2.14.0.21)

NEW:

A new main menu with:
New layout to make everything feel less crowded.
A news feed to show news relevant to players.
A reference to any Community Events, often the Weekly Challenge on our forums.
Added incompatibility warnings (and solutions) for users with potentially incompatible hardware or drivers.
Disabled metrics system

BALANCE:

Yvonne has Charms instead of Sense of Humor
Bia gains Defense instead of Formations
Admiral Reis gives Military History instead of Formations
Lute gives Storytelling instead of Astonishing
Kwame no longer gets double helpers on high levels diplomat or quick thinker

FIXES:

Pagans believe in the occult.
The "truth in the occult" option gives tokens now.
Oengus Crown treasure is BACK
Fixed a bug in which Quick Thinkers had to be either really cool or really lame to run through the Meadow's Castle.
Fixed the text of mood buffs.
Fixed using the machine from machine vs. magic in the talking tree event.
Fixed a place where the Monymusk treasure shouldn't be available but was.

OPTIMIZATION:

Long audio files like music and ambient are now streaming to reduce memory load.
More aggressive unloading of unneeded files to free up memory faster.
Miscellaneous memory optimizations.

Patch 321 (15 April 2016) / GOG-22 (GOG v2.15.0.22)

NEW:

Ivan has a new captain perk! -1 Resolve. Gains +1 Supply Capacity after the 2nd and 3rd expedition.
Added 2 small events.

BALANCE:

Insight jobs in Europe and Africa now give one extra token. (Timbuktu > Study, Zanzibar > Collect, Cape Town > Campaign)
Research for end of 3rd tree and up is a little cheaper
Laboratory changed -> German Laboratory: +2 Study when spending insight in Berlin
Science Assistance now give 2 insight
Renown from Status is now 6%. Renown from Science is now 14%.
Hungarian Fort is a bit more generous towards Devious crews, especially the Beast.
Egypt is a bit more rewarding now.

FIXED:

All calls to online services now have a proper time-out
Fixed leaderboard issues for users with a huge friends list
Clarified message when saving and quitting in encounter
Buffs are now sorted behind UIs
Undo button is now correctly positioned in narrow aspect ratios
Item Shop UI is now correctly positioned in narrow aspect ratios
Fixed minor memory issue related to loading save games
Fixed a lot of typos and missing strings (including my arch-nemesis "behaviour")
Abominable mountain (it doesn't exist, why am I typing this?) now is revisitable.
Fixed Armor debuffs being shown as percentage debuffs
The smuggler boat now also gives the Secret/Treasure Hunt tokens when you found the hidden options
Fixed an issue where stacked poison costs you multiple resolve
More clear range tooltip for AoE attacks centered around the caster
Some more memory optimisations

Patch 343 (19 May 2016) / GOG-23 (GOG v2.16.0.23)

NEW:

Perks now have icons to make them better identifiable

FIXES:

Fixed hotkey in main menu being improperly active.
Fixed small issue with passport UI opening on top of shop UI on narrow aspect ratios.
Disarming Smile by Pedrinho was secretly an Attack ability.
Zombie NO_I18N
Monastery in Shangri-La now gives speech as advertised
You can reconsider your options when distracting Roche's crew in the Emerged Island
Reconsidering while mining the Quartz Mine won't remove the option to examinate the Skeleton.
Chuckles' sister is now blue.
Fish in the tree gives supplies on the right moment
Fixed phillipe's enraged resistance.
Fixed Celtic Cross.

BALANCE:

The journalist bonus will only apply on the 5th expedition, not on insight spent
Ivan's upgrade gives +2 Supplies instead of +1.
NEW: Flavia awaits you as a new Entourage member in Rio!
Rio now has 4 levels of Entourage.
Finishing Observation now gives +50% renown from a resource.
Writing History now gives +1 Campaign on entering an Encounter node, and +3 campaign on entering an Epic node.
The off-resource Entourage members in Istanbul (Rami, Zafira, Amon etc.) now are selected by token type
The off-resource Entourage members in Istanbul (Rami, Zafira, Amon etc.) are significantly weaker
Moondisk is now worth 375.
Removed the newbie trap on the Shrunken Head

Patch 362 (31 May 2016) / GOG-24 (GOG v2.17.0.24)

NEW:

Fancy new loading screen!
Added random button to crew selection screen
Added a new performance option to the settings menu

FIXES:

Fixed Turf House event
Improved feedback on maxed level crewmembers tooltip
Fixed some perks not fitting in the item shop UI
Fixed Event scrollbar placement
Fixed Mood UI text placement in specific cases

Patch 365 (02 June 2016) / GOG-25 (GOG v2.18.0.25)

FIXES:

Fixed exploit in campfire screen
Fixed crew story of Maria, Hildegard and Bia
Fixed tooltip for Anna
Fixed Philippe's upgraded Amnesia Shot being able to target 3 instead of 2 opponents
Fixed camera being able to go out of bounds on very low frame rates
Other minor text fixes

Patch 374 (16 June 2016) / GOG-26 (GOG v2.19.0.26)

(MTE denominates More To Explore-only content)
NEW:

You can now unlock Muscat, hosting a trinket bazaar in the Middle east.
You can now unlock San Francisco, offering new entourage members
A dark new force is terrorizing the Andes. (MTE)
New events scattered all over the game, allowing you to meet more Specialists on their own journeys
Added option to dampen low Resolve and available Research warning pulse
You can now swap your items by dragging
Added Crewmember Details box to Advanced Crew Selection screen
Added DLC and version indicators to leaderboard entries
Visual tweaks to the icons displaying information about unvisited nodes

FIXES:

Fixed bug where "sharpshooters alerted" message would pop up after every Friendly won encounter after Lost Island in Marathon mode
Slightly dampened default low Resolve warning pulse
Fixed Raptor Queen event
It should no longer be possible to get stuck with unplayable cards in hand
Fixed bonus descriptions in leaderboards
Fixed Encounter token Renown gain for Captain perk for Maria and Victor
Fixed Victor's captain perk only awarding 25% extra gold from Encounter
Fixed a ton of missing/wrong text and pictures

BALANCE:

Toned down Inca Dagger and Emperor Garb
Pedrinho will hate coffee haters
Decreased Renown gain from Encounter tokens from Maria's and Victor's Captain Perk to 5.
The machine in Lost Island doesn't allow for Resolve suicide anymore
Shangri-La treasures are worth a lot more

Changelog for Patch 380 / GOG-27 (Windows) / GOG-25 (Linux) / GOG-21 (Mac) (added 21 July 2016):

- (MTE denominates More To Explore-only content)


NEW:

- Hatice has a new captain perk! Investor: +10 Collect at the start of each expedition. Gain 2 insight if you end an expedition with 50 Collect or more.
- Added a new treasure in Shangri-La!
- Added a few events in Shangri-La!
- The L A N D D E L V E R now actually puts some time pressure on you. Be quick to explore the Lost Island!


ENTOURAGE:

- Auctioneer and Impressionist Entourage removed from Stockholm due to misfitting
- All Stockholm entourage now give +1 token at level 4 instead of +1/+2 on level 2/5 (More To Explore)
- All Rio entourage now gives +2 tokens at level 6 instead of +1/+3 on level 3/6 (More To Explore)


CARDS:

- Lowered Earl's bonus from Weird Patents to 3% (More To Explore)
- Agatha's German Import will now only penalize 5 Study, 25 Speech Defense, and give 3 Campaign instead of 1 (More To Explore)
- It's not longer possible to bring the same Campfire Story twice. Any doubles will be left out of your deck at game start.


TREASURES:

- Garb and starter treasures that give X tokens at the end of an expedition are a bit toned down (More To Explore)
- Shambhala Keys give 250 Renown instead of 150
- All final treasures from Shangri-La now have pool bonuses (More To Explore)


MISC:

- Removed the skip encounter events in Shangri-La
- TRex and Darwin are significantly tougher
- Roll-games and encounter arena seeds are now pre-determined, which means loading to an earlier point no longer gives you a different chance. There's an exception for 'Retry Encounter' in Discovery mode, which still refreshes the seed.


FIXED:

- Can't get a rank A treasure in Turf house any more
- missing images, spelling errors
- Phillipe's card now works correctly
- Perk UI scroll resets to top when switching crewmembers.
- Exploit where opening inventory during events, saved the game state (but not the event progress).
- Issue where items could be lost by dragging and dropping an item from an incompatible slot on it.
- Issue where profile switching could recover a pre-win save from a finished adventure mode run.
- Issue where double clicking crewmember for targeted Campfire Stories triggered the story twice.

Patch 381 (22 July 2016) / GOG-28 (Win) (GOG v2.21.0.28) / GOG-30 (Mac) / GOG-26 (Lin)

Fixed faulty data-file.
Fixed text in some places
Fixed wrong spin in Shangri-La
Fixed Monymusk appearing in the wrong place up again
Fixed Renown from Keys in Shangri-La