Update v1.22:

H.P. LOVECRAFT
H.P. Lovecraft difficulty is now available! H.P. Lovecraft is Song of Horror’s hardest difficulty level. You can unlock this new difficulty after beating the game for the first time in M.R. James or Edgar Allan Poe.

The unlocking of H.P. Lovecraft is not retroactive: it won't unlock automatically if you already completed the game on M.R. James or Edgar Allan Poe. However, what you can do is watch the final cutscene again to unlock H.P. Lovecraft.
H.P. Lovecraft is a global unlock. Once you obtain it, you’ll be able to select H.P. Lovecraft in any of your save slots.
In H.P. Lovecraft, death (or worse!) lurks around every corner. The difficulty of all five Hauntings has been noticeably increased, and they will appear slightly more frequently than in Edgar Allan Poe. Lesser events will also tend to be more... malignant than before.
Be on your guard! No tutorials will show up in H.P. Lovecraft (they are still accessible from the "Tutorials" section of the Pause menu), and you might find yourself facing dangers you didn’t expect.
For those achievement hunters among us, you can now unlock a brand new one for completing the entire game on H.P. Lovecraft difficulty: "The Presence waits dreaming".
You can also change difficulty at any time between H.P. Lovecraft and the other three difficulty levels with no restrictions. However, doing this will prevent you from getting the achievement associated with H.P. Lovecraft, so think carefully before committing.
EPISODE 5: NEW PLAYABLE CHARACTER AND EVENTS
Erica Färber is now playable in Episode 5! After going through unspeakable horrors at the Abbey of Saint Cecilia and the antique store, a final answer still eludes Erica, and as you know, she’s not one to sit idly by...

To unlock Erica as a playable character in Episode 5, she needs to be present in Episode 4 and survive the ordeal (she doesn't need to be the one who finishes the episode). This is not retroactive: it will unlock on successful Episode 4 runs from now on.
We also added several instances of random paranormal activity to Jeremy Hartwood Mental Hospital. Now, your adventure through this cursed place will be scarier than ever before!


THE ABYSS
Fixed a rare bug where dodging an arm grab in the last second could result in your character still being grabbed and the associated icon not being properly shown.
GENERAL
Fixed several translations and minor bugs.
Fixed a bug where a certain combination of button/key presses could send you flying towards the last door you interacted with (The Presence can be really silly if it wants too).
Fixed several minor sound issues.

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Update v1.21:

EPISODE 2
Removed some locations where The Silence could get stuck.
You should no longer get stuck when watching through Erica’s peephole.

EPISODE 3
Fixed a bug which could cause you to not be able to obtain the slides if you used the power adapter before obtaining them.
Added new cutscenes to the Interlude.

EPISODE 5
The infamous photograph puzzle now registers when it gets correctly assembled and gives you the photograph plus the information paper as a document.
Added several clues to the information document in the photograph puzzle.
You can now access the completed photograph (if you have it) when inside the keypad puzzle.
Fixed a puzzle icon appearing on the map when it shouldn’t.
Fixed a bug where sometimes your character wouldn’t use the stethoscope when listening at doors.
Fixed a rare instance of The Presence interfering with The First Dream’s starting cutscene.
Fixed a bug where sometimes you could get stuck after obtaining the flare box.
Fixed a bug which could cause the security panel buttons to disappear.
Fixed several translation bugs.

FINALE
Fixed Ariadne glowing in the dark when you approached her with your flashlight off (reminded us of this scene).
Fixed the music box reappearing once you return from There.
Fixed several interaction bugs with puzzles in Husher and Berenice’s nightmares.

GENERAL
Fixed a bug that caused resolution to not stick properly.
Fixed some VR devices from automatically launching upon Song of Horror being run (The Presence was trying to escape to other mediums!!!)
Fixed a controller issue where using the controller stick to change between “Yes” and “No” options upon selecting Daniel or an Episode 5 character would cause your chosen personal and collectible items to also change.
Removed some UI leftovers from the character selection screen.
Fixed a setting in the “Ultra” effects configuration that would cause an undue performance impact.
Added missing sound effects and fixed some existing ones.
Fixed some bugs with the characters’ in-game voice lines.

THE ABYSS
Fixed the arm grab icons sometimes staying after the event had been successfully completed.