Changelog for Update 1.02 (added 29 August 2019):

- Reduced contact damage from enemies.
- Fixed issues in the Simplified Chinese, French and Russian translations.
- Fixed crouch animation when you jump and crouch at the same time.
- Fixed Silver Coin counter disappearing when you equip an item in the items menu.
- Fixed an issue where the pause menu and player death animation could occur on the same frame.
- Fixed an issue where the Steam interface would only display a new achievement when the game was closed.
- Fixed an issue related to enemies dying out of bounds.
- Fixed an issue related to Archive #29 respawning in NG+.
- Fixed (?) an issue where attacking when entering a cutscene would sometimes cause the player to move very, very fast.
- Other misc. fixes to prevent crashes.

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Changelog for Update 1.03 (added 01 September 2019):

- Added 2 seconds of invincibility to the end of the following actions: Parry counter and Cross Slash. This change aims to prevent the player from executing those actions and then being immediately punished by an approaching enemy.
- Added a new type of white flashing indicator on the player character to signal temporary invincibility. This new change applies to Parry counter, Cross Slash and Calming Sea Incense's actions.
- Damage dealt to player on subsequent playthroughs (New Game +1, +2...) has been reduced.
- Changed the position of Archive #27 slightly to make it easier to find.
- Fixed some issues in the German, Korean, Russian, Simplified Chinese, and Spanish translations.
- Fixed missing/wrong characters in Simplified Chinese credits.
- Fixed Archives menu sometimes displaying a blank page under certain circumstances.
- Fixed a possible softlock situation in a screen transition of the Tower of Misery.
- Fixed the softlock that could occur when using a Cross Slash during an elevator descent.
- Fixed the volume of the credits song.

Standalone installer updated (1 ⇒ 1.03): 02 September 2019.

they should really do something about the parry, its really frustrating when i pull of a parry but i still get damaged, especially with bombs thrown by enemies, and the counter damage is way too weak. Doing a parry should be rewarding not frustrating.

Changelog for Update 1.04 (added 10 September 2019):

- Added River Incense (+5% defense) to the list of incenses Almu can sell.
- Fixed a softlock that could occur during the miniboss fight before the Snakeroot Garden area.
- Also fixed an unintended situation where the fight above would end whenever the second miniboss was defeated, regardless if the first was alive or not.
- Fixed some small issues in the English text and German translation.
- Fixed a rare issue where some cells would mysteriously disappear while still retaining their collision properties.
- Fixed an issue where some dialogues could act up on player physics.
- Fixed an issue where player buffs (eg: Astral/Blood Incenses) would display on top of black screens in certain cutscenes.

Standalone installer updated (1.03 ⇒ 1.04): 11 September 2019.

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Changelog for Update 1.042 (added 11 September 2019):

- Fixed an issue that would prevent player progress related to the miniboss fight before the Snakeroot Garden area.

Standalone installer updated (1.04 ⇒ 1.042): 12 September 2019.

Changelog for Update 1.05 (27 September 2019/ added 04 November 2019):

- 2 new Weapons have been added to the game: Chain Mace and Persephone.
- 3 new Incenses have been added to the game: Crystalline, Sea Drop, and Northern Sky.
- 3 new Fran Chat events have been added to the game.
- A few rooms were added to accomodate some of the new items.
- Increased the damage dealt by the "Heavy Thrust" move.
- Fixed the moon's movement in the exterior part of the Cathedral area.
- Fixed an issue related to the Final Boss's stun meter.
- Fixed the Map screen displaying one room transition that didn't exist for the Castle Outskirts area.
- Fixed some issues with the Korean text for some Archives.
- Fixed some issues with the Japanese credits text.
- Fixed a typo in the Spanish translation.
- Adjusted some lines of text in the Italian translation.
- Adjusted some lines of text in the Japanese translation.
- Adjusted the screenshake for the Chrysanth Incense so it syncs better with the actual visual effect.

Standalone installer updated ( 1.042 ⇒ 1.05): 27 September 2019.

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Changelog for Update 1.06 (08 October 2019/ added 04 November 2019):

- Reduced the width of the contact hitbox from the Church/Garden minibosses, making it easier to dodge through their bodies.
- Increased the amount of time (from 16 frames to 45 frames) required to charge the special attacks Heavy Thrust / Cross Slash. This change is based on the feedback we got from players who said the attack came off too quickly and would "misfire".
- Increased the amount of stun damage dealt by parrying special enemies (bosses/some minibosses) from 10% to 30% of their maximum stun resistance.
- Enabled the parry counter against two enemies whose attacks could only be parried, but not countered: the sword-wielding Knight and the curved sword-wielding Witch Sproutling (that's the small enemy with the red shotel-looking weapon).
- Added a new extra subtle effect to the main character's landing animations.
- Fixed the Persephone weapon name not showing up in the inventory for the Simplified Chinese language.
- Fixed the disappearance of the huge Crystallized Ink Flower once you had attacked it.

Standalone installer updated (1.05 ⇒ 1.06): 11 October 2019.

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Changelog for Update 1.07 (added 04 November 2019):

- The full "options" menu now is accessible from the title screen, including the menus to change the game's controls.
- Several changes to Frikka's boss fight: she has a more obvious "warning" effect before her slash attack. The slash animation is also much slower than it used to be, and she has a larger recovery period before she moves onto a different attack.
- Made the basic effect for "incoming enemy attack" more visible.
- Doubled the base damage dealt by the White Incense's projectile.
- Increased the healing properties of Fee's Blessed Incense from 5% to 10% of your maximum HP.
- Increased the frame window in which you can parry an enemy attack.
- Increased the damage dealt by the parry's counter.
- Increased the amount of damage dealt to enemies when they are in a stunned state. The value was increased from a x1.2 multiplier to x1.5.
- Increased the amount of damage dealt to enemies when they are in a counter state (when they receive damage during their attack animations). The value was increased from a x1.1 multiplier to x1.2. This multiplier is also applied to the amount of "stun" damage an enemy receives per hit.
- Increased the amount of experience earned when doing an "Overkill" (when your attack does more damage than twice the enemy's maximum health) on an enemy. The value was increased from a x2 multiplier to x3.

Standalone installer updated: 1.06 ⇒ 1.07.

What were the version changes in 1.073 and 1.074?

Changelog for Update 1.08 (09 March 2020 / added 18 May 2020):

- Parrying enemies is a bit faster now (freeze frame upon successful parry has been reduced by 10 frames).
- Improved the "!" bubble effect in the Library cutscene.
- A large room of the final area was divided into four rooms.
- Fixed a visual effect for when you defeat an enemy (little blue droplets that were barely visible before).


Standalone installer updated 11 & 13 March, and 18 May 2020: 1.074 ⇒ 1.08 ⇒ 1.081 ⇒ 1.082.

I don't mean to be rude but there has been quite some updates since then.
Including one few days ago.

https://www.protondb.com/app/940910/

Any place I could find new patch notes?

Here you go:
Changelog

Only the latest mini-update changes are shown though but all the major changelog is there.

Thank you ;)
So then the naming convention and patches align with steam version? (as a person somewhat involved in game dev world I can see this from 2 sides: 1.On one hand there isn't a particular reason to change naming conventions and do per platform separate patches 2.On the other hand I have seen much worse sh*t fly in this industry so I wouldn't be suprised)

It's a bit off-topic but do you know a way to download "non current" builds of games on GOG?
Preferably without Galaxy involvement?

Back then the build/naming was different but since a year or maybe two it is matching, yes. :)

I guess it is better to keep the old installers for a time. I never used Galaxy so I have no idea if it have backups for old versions anyway. Luckily Steam goes ahead of GOG and you will first see the new version there, giving you time to check the changelog. If something not feels good considering the changes then download the not-yet-updated installer fast.

Right.
But my question resolves more about that if GOG restricts downloads to latest version only (so is there a way currently or is there not?) then purchasing games like this here is pretty pointless for purposes such as speedrunning.
On steam I can pull up developer console and download any manifest I want as long as it was uploaded to branch I have access to.

Much like in the case of Steam it require the client here too if possible at all. If you have the game here you can try contacting GOG support or simply download the Galaxy client. I don't like clients though lol.

IF support would even agree, it would kind of suck to ask them manually for EVERY version.
And besides, they should give us all of them by default.

I don't feel like firing up another computer or trying to run Galaxy in Wine (it would work but could run into issues possibly) so yeah, should I want to have older versions of this game, I guess I would have to get it on Steam ( I don't know if itch.io. allows downloading older builds, https://dangen-entertainment.itch.io/minoria ).

Back then the games received downloadable patches rather than build updates. That made it easier to pick your prefered version. The digital stores maybe makes it easier to be up to date but really not give you much freedom over your games. Maybe try contacting one of the speedrunners you're talked about. Both of you have to game so it is legal to exchange files.