Atelier Resleriana: The Red Alchemist & The White Guardian (Switch): all the updates (latest: Ver. 1.4)

Lite_Agent 20 November 2025 Atelier Resleriana: The Red Alchemist & The White Guardian, Gust, Koei-Tecmo

On this page, you will find all there is to know about the various updates for Atelier Resleriana: The Red Alchemist & The White Guardian on Nintendo Switch.

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Atelier Resleriana: The Red Alchemist & The White Guardian – Ver. 1.4

Release date: November 19th/20th 2025
Patch notes:

Added support for additional content.
Added the highest difficulty level, “Legendary.”
- Higher difficulties strengthen enemies, but you will also receive more EXP, Cole, and items from battles! Take on strengthened enemies for even more challenging and exciting battles!
Added the “Extra Tree,” which allows characters’ stats to be further enhanced.
- Adds new Extra Trees to each character’s Skill Tree, allowing you to raise their stats even more! A character’s Extra Tree is unlocked after all skills and upgrades on their Skill Tree have been obtained. Aim to make your characters even stronger!
Basket and Container Update
- Added an “Ingredient Grouping” feature to the basket and container and made Catalyst Ingredients stack on a single slot. Enjoy easier item management for a more comfortable Atelier experience!
Added “Amount in Inventory” as a sorting option when selecting items.
Added “By Rank” as a sorting option when selecting ingredients during synthesis.
Adjusted sorting to respect previous sort order when applied.
Adjusted cursor behavior during filtered list display.
Adjusted filter settings to persist until the product shelf screen is exited when selecting products during shop management.
Adjusted the skill selection screen to display burst skills during Unite Burst.
Set the maximum amount of AP that a skill can consume to 100.
Adjusted the upper limit of “Critical Damage Up” to 300%.
Adjusted the abilities of some items.
Fixed incorrect item sorting in the Guide.
Fixed an issue where the timeline prediction did not display correctly until after the cursor was moved when selecting Totori’s “Duplicate” skill.
Fixed Item Mix being calculated as a skill instead of an item.
Fixed the “Critical Damage Up” effect not applying correctly for some items.
Fixed a bug that caused purple objects to sometimes be displayed during battle.
Fixed other minor bugs.

Additional notes: Ver. 1.3.0 is displayed on the title screen.
Source: Koei-Tecmo

Atelier Resleriana: The Red Alchemist & The White Guardian – Ver. 1.3

Release date: October 29th/30th 2025
Patch notes:

Added support for additional content.
Adjusted the filter function so that when an option is already selected, only relevant options will be displayed for other categories.
Improved the encyclopedia’s material tracking feature to take into account gathering rank and time of day, tracking only “obtainable targets.”
Enabled bulk selection by holding the confirm button and moving the cursor when delivering investment items.
Adjusted precision guard to withstand KO from multiple-hit enemy attacks when HP is above 1.
Made it possible to skip day/night transition animations by pressing the confirm button or similar.
Updated the calculation formula for traits that reduce AP consumption to align with the formula for AP consumption increase.
Fixed an issue where after viewing the event “After the Festival” in chapter 9, the game would stop when the recipe acquisition animation played.
Fixed a bug in Skyglow Path where wire action indicators appeared when wire actions couldn’t be performed.
Fixed an issue with text that appeared after acquiring all fairy blessings in dimensional paths.
Other minor adjustments and bug fixes.

Additional notes: Ver. 1.2.0 is displayed on the title screen.
Source: Koei-Tecmo

Atelier Resleriana: The Red Alchemist & The White Guardian – Ver. 1.2a

Release date: October 9th/10th 2025
Patch notes:

Adjusted Recipe Morph so certain effects of materials used in the arrange slot are transferred.
Fixed an issue where event progress may not be saved correctly when an auto-save occurs after an event ends.
Fixed an issue where the game could become unresponsive when returning to the title screen after saving Cleared Game Data.

Additional notes: Ver. 1.1.1 is displayed on the title screen.
Source: Koei-Tecmo

Atelier Resleriana: The Red Alchemist & The White Guardian – Ver. 1.2

Release date: October 5th/6th 2025
Patch notes:

Added support for additional content.
Fixed an issue where Unite Attacks and Burst Skills did not activate correctly under certain conditions.
Fixed an issue where the action speed adjustments based on difficulty for bosses were not applied correctly.
Fixed an issue where effects in high-difficulty dungeons such as “Dripcrystal Cave: Peculiar” were not applied correctly.
Fixed display issues with character models and background models.
Adjusted UI display information and fixed related issues.
Added minor adjustments and bug fixes.

Additional notes: Ver. 1.1.0 is displayed on the title screen.
Source: Koei-Tecmo

Atelier Resleriana: The Red Alchemist & The White Guardian – Ver. 1.1 and Ver. 1.1.a

Release date: September 26th 2025
Patch notes:

Ver. 1.1 (Ver. 1.0.1 on the title screen)

Made changes to distribute the successful wishlist campaign present.
Adjusted displayed information and responsiveness to controls in order to improve usability.
Minor adjustments and bug fixes.

Ver. 1.1a (Ver. 1.0.2 on the title screen)

Fixed a bug where performing certain actions while an event notification is displayed in a dimensional path could cause the game to become unresponsive.

Additional notes: none
Source: Koei-Tecmo

How to download updates for Atelier Resleriana: The Red Alchemist & The White Guardian on Nintendo Switch?

To download the updates for Atelier Resleriana: The Red Alchemist & The White Guardian, you have three options:

let the console do its thing if you have automatic downloads activated, and didn’t completely turn it off

If not…

try to launch the game from the Home Menu while being connected to the internet. You should get a prompt when doing so: simply follow the instructions on screen;

select the game > press either + or – to go to the Options page > select Software update > select Via the Internet.

To check that you have the latest version installed, simply select the game on the Home Menu, and press – or + to go to the Options: the version number is displayed just below the game title.