Broforce's offline installer has been updated (Galaxy version was updated 3 days ago without changelog if I remember well) :

Changelog for 904 20190412 (12 April 2019)

Bug Fixes:

* Fixed an issue with player names using certain special characters could crash the game
* Fixed cages sometimes being spawned inside of the ground in Hell levels
* Fixed issue with Warlock portals not always working correctly in online games
* Fixed BroCeaser not working in Custom Campaign levels
* Fixed bug when changing music volume from options menu while the game is paused

Low Magic Age

Low Magic Age has been updated to v0.91.11 (on 12th April) (Offline installers now updated - 16th April)

Changelog;

v0.91.11 Patch Notes
====================
Added 9 Ores and 11 Metal Ingots (preparation for Crafting)
Adventurers have a chance to obtain Ores and Metal Ingots in loot of Adventure mode

List of Ores and Metal Ingots:
==============================
Copper Ore
Tin Ore
Iron Ore
Silver Ore
Gold Ore
Platinum Ore
Cold Iron Ore
Mithral Ore
Adamantine Ore

Copper Ingot
Tin Ingot
Bronze Ingot
Iron Ingot
Steel Ingot
Silver Ingot
Gold Ingot
Platinum Ingot
Cold Iron Ingot
Mithral Ingot
Adamantine Ingot

New encounter type: Elite Squad (for both Arena and Adventure)
Optimized BOSS encounters of Arena and dungeons: random Dragon's Den or Elite Squad and fixed overmany Giant Ant Queens
Increased chances of encounter the elite monsters: Minotaur and Medusa
Vermin, Animal, Magical Beast, Construct and Elemental monsters now have rich loot in Adventure (provisional measure)

New option: dungeon grid
Fixed conflict of dungeon/battlefield grid
The option "Viewport auto-follow current character > Only when character out of viewport" is now checked by default

Only the offline installers for Windows and Mac have been updated. The Linux installer is still the old version :(

Ah, not nice for linux users :/

Mount & Blade: Warband

Changelog from Steam:

PATCH NOTES (2.049)

- fix Odin cave logic and make it more informative
- balance Odin cave to player level, skills
- make Douar narrative less confusing
- clean up ghost parties
- complete allowing Marshal to demand prisoner releases
- fix slot_party_home_center failures: ports, refugees, change center faction, defeated faction trigger
- fix work dialogs
- prohibit player indictment by pretender
- reset last story battle when its state is somehow corrupted
- redo battle immersion to avoid sound overload and improve shield taunt
- fix AI by initializing $teams_last_fighting properly
- German localisation added

GOG has changed the soundtrack of Anodyne:
Anodyne, downloadables, soundtrack (anodyne_soundtrack.zip ***TO*** anodyne_ost_mp3.zip; 20 Mar 2013 12:14:39 ***TO*** 15 Apr 2019 11:48:40; 122,762,069 ***TO*** 135,362,441)

If you have previously downloaded the old soundtrack, you might want to keep it, as it contains two tracks (#50 and #53) that are missing from the new soundtrack.

ATOM RPG: Post-apocalyptic indie game

Updated to 1.085 fix.
No changelog.

Pathway

Update 1.0.6 (13 April 2019)

Fixed a bug that caused the game to stall when your team died with some rare conditions
Fixed a bug that caused a crash on bootup on some Windows systems
Fixed a bug that caused the game to stall on low-spec systems when changing to battle
Fixed handling of double wielding knives. If two knives are equipped it'll now always use the better of the two for damage calculations and not show excessive UI buttons. Known Issue: On low-spec machines we're still experiencing rare occasional stalls. This patch should significantly reduce the chance of this happening. If you encounter a stall, please try and reload the game, in most instances this will be enough to fix the problem. We're working on a permanent fix.

Version 1.0.4/1.0.5:

We added an optional "Confirm Move" toggle in the Game options. When activated, you will have to click again to confirm your move before it is executed. This is to prevent accidental moves.
We added a "Dog friendly" mode. This can be activated in the Game options. At the moment this simply disables the dog hit/die sfx. But we are planning on expanding on this and completely removing the die animations/blood.
We've added additional fallback options for our shadow rendering that should fix issues we've seen on certain hardware configurations causing the game to crash at load and during gameplay.
Added option to disable Reverb SFX effect. This may help on systems that have experience audio issues.
Fix a bug that would let you recruit a character twice in a row
Fixed a bug with character unlocks. Some people had met the conditions for unlocking a character but still couldn't use them when starting a new adventure. These characters are now properly unlocked and the issue has been fixed.
We fixed a bug that caused crit hits that also killed a target to not count towards achievements, combat stats and adventure stats.
We improved loading times in some events
Fixed a crash that could happen when encountering a specific event in the game


Pathfinder: Kingmaker


Updated to 1.3.2d.
No changelog.

Book of Demons

Changelog for Update 1.01.18203 (15 April 2019)

* Speedrun to Cook
* Fixed portal still being active after closing a game
* Made the achievement "Tis' but a scratch" unlock automatically for players who have had already met requirements before they changed in the previous update
* Added more supporters to credits
* Updated translations
* Fixed a few typos

Assassin's Creed®: Director's Cut

Changelog:

Update 1.02 v2 (16 April 2019)

- added Russian localization

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Heroes of Might and Magic® 3: Complete

Changelog:

Update (16 April 2019)

- addedd Russian version of the game

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Prince of Persia

Changelog:

Update 1.0 v2 (16 April 2019)

- Added Russian localization

*********************************************

Prince of Persia: The Two Thrones

Changelog:

Update 1.1 v2 (16 April 2019)

- Added Russian localization

*********************************************


Prince of Persia: Warrior Within

Changelog:

Update 1.00.999 v2 (16 April 2019)

- Added Russian localization

*********************************************


Prince of Persia®: The Sands of Time

Changelog:

Update 181 (16 April 2019)

- Added Russian localization

Grim Dawn

Update 1.1.1.2 Hotfix 4 (16 April 2019)

Added an option to launch the 32-bit version of Grim Dawn from GOG Galaxy on 64-bit operating systems. This option is available if you click MORE > Other > Grim Dawn 32-bit


Pathway

Update 1.0.7 (16 April 2019)

Added a new "undo" button to the Valuables bag. This lets you undo the last item you added to your Valuables bag if for example you trashed one of your beautiful legendaries by accident.
When comparing a Knife with another Knife it'll now always correctly compare to the equipped Knife instead of the character's main slot (which may not be a knife).
When the Item compare tooltip is on the left side of the cursor, it now flips the order of windows around to be less confusing.
Added an additional fallback option for low-spec system that don't support floating point cubemaps. This will reduce the visual fidelity of the lighting system in the game significantly but will allow people with older Radeon cards to still play the game.
The Nazi fuel supply camp event now properly rewards fuel when successfully sneaking into the camp.
Updated descriptions for the unlock achievements of Shani/Georgette to be clearer
Further improvements to loading issues on low-spec systems
Fixed a bug that caused Repairkit Strength level up choices to not take any effect
Fixed a rare crash on the Adventure Stats screen
Fixed a crash when using Burst Fire in certain situations
Fixed a bunch of crashes that occurred at random during the AI's turn
Fixed the "Splendid Bowie Knife" border
Fixed a bug that caused the Bomber Jacket's Daredevil perk to not work correctly
Fixed a bug that allowed items to be duplicated when dismissing a party member'


Ultima™ 8 Gold Edition

Internal Update (16 April 2019)

[WINDOWS] fixed a typo in dosbox config file

Thank you so much GOG and how about to finally fix the mistake (which we already told about) that Part 1,2,3,4 ist actually Part 1+2 (32bit) and 3,4 (64 bit) or the other way? I just had to download Grim Dawn using GOG downloader and though I only need one version of it I have to download all parts. GOG support is lacking recently. I don't have the feeling that anybody from GOG is even still watching this thread. Sorry to sound rude but where's the sense in telling you (actually I told Judas who is ignoring me since 4 months now) when nobody is doing anything to fix it?

Heroes of Might & Magic V + Hammers of Fate

Update 2.1 V2 (16 April 2019)

- Added Russian version of the game


Heroes of Might & Magic V - Tribes of the East

Update 3.1 V2 (16 April 2019)

- Added Russian version of the game


Also as a note, both games (and also Heroes of Might & Magic IV) support cloud saves. I think that has never been flagged and the shop is not showing those features either.

Enter the Gungeon

Patch 2.1.7 (16th April 2019)

* Killing the new secret boss while flying over a pit
* Fixed an issue where [REDACTED] couldn’t pet the dog!!
* Fixed an issue where crash recovery didn’t track the most recent two secret floors correctly
* Saved turtles from player explosions
* Fixed an issue where the portable turret could trip players
* Nerfed Knight’s Gun. It’s still good, just not ridiculous
* Fixed an issue where the new unlock condition for Sunlight Javelin didn’t work if the player had already unlocked Turtle Problem
* Fixed an issue where you couldn’t enter the new secret floor with some shop configurations
* Katana Bullets VFX will now properly despawn and not slow down your game
* Fixed an issue where some Polish glyphs would not render correctly
* Fixed a rare issue caused by the Turtle Problem
* Gave the Beholster shrine purple lanterns
* The Ticket now works like other active items and cannot refund its own cooldown by default
* Languages that were missing translated strings for the Sprun and the Table Tech Heat should now have them
* Fixed a rare softlock caused by two players being dragged to Hell at the same time
* Fixed an issue causing some synergies that aren’t triggered by the [REDACTED]’s passive item to appear as if they were activated
* Fixed several issues that could cause the Sprun’s transformed state to persist
* Fixed an issue where a Glaive synergy combined with the Bumbullets would let you shoot infinite Glaives forever for free
* Fixed an issue where the third form of the Triple Gun drained ammo too quickly
* Fixed an issue where Paradox didn’t benefit from starting with the Briefcase of Cash
* Fixed an issue with Bowler’s text being cut off in Spanish
* Fixed the custom win pictures for Junkan with the two new secret characters
* Fixed a typo in Mr. Accretion Jr
* The Ruby Bracelet (upgraded) will no longer trigger in the Aimless Void
* Fixed an issue caused by starting Winchester’s game while equipped with the transformed Sprun

Hard Truck 2: King of the Road

Internal Update (17 April 2019)

[WIN] updated Russian version to 8.1
[WIN] fixed movie playback


Pathway

Update 1.0.8 (16 April 2019)

Fixed a bug causing events to be broken, or crash, on low-spec systems after our changes in v1.0.7
Fixed crash during AI turns
Fixed mouse over menu button not stopping the scene to scroll in combat scenarios
Modified a few french translations to fit in UI