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QuantumLauncher v0.5.1

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@github-actions github-actions released this 17 Mar 17:02
v0.5.1
172f804

TLDR;

  • 🗂️ Instance folders for better organization
  • 🚀 One-click shortcuts: launch without opening the launcher!
  • ✨ Numerous UX improvements and bug fixes

Instance Folders

Organize and sort large collections easily, with instance folders.
Complete with:

  • Drag-and-drop
  • Renaming
  • Nesting

Note:

  • Folders are purely organizational and do not affect file paths on disk
  • Custom instance icons had to be delayed to a future release due to time constraints

Shortcuts

Launch instances with a single click, without opening the launcher!

Create one-click shortcuts for:

  • Desktop
  • Start Menu / Applications Menu (Windows & Linux)
  • Applications folder (macOS)
  • Custom locations

Custom icons had to be delayed to a future release due to time constraints

UX

  • Improved Welcome screen with keyboard navigation, cleaner layout,
    and clearer guidance for new users
  • Increased maximum memory allocation to 32 GB in the Edit tab
    • Added precise manual input alongside the slider

Mods

  • Added quick uninstall button in Mod Store
  • More visible enable/disable toggle in mod list
  • Disabled mods now remain disabled after updates

Logging

  • Overhauled log viewer:
    • Text selection support
    • Smoother scrolling
    • Fewer bugs
  • Fixed missing crash reports in logs
  • Added warning when running inside a macOS VM

Technical

  • Mod update checks are now manual
    • Use "… → Check for Updates"
    • Reduces network usage and prevents frequent 504 errors
  • Usernames are now redacted in log paths
    • Example: C:\Users\YOUR_NAME → C:\Users\[REDACTED]
    • Disable temporarily with --no-redact-info

CLI

A few command-line flags were added to
quantum_launcher launch <INSTANCE> <USERNAME>

--show-progress

  • Displays desktop notifications for login progress and errors
  • Especially useful for shortcuts and scripts

--account-type

  • Manually specify account type for login (eg: microsoft, elyby, littleskin)
  • Useful if you have multiple accounts with the same name

Java

  • Choose launcher-managed Java versions or custom paths
  • Improved Java installer with broader platform support
    • Minecraft 1.20.5–1.21.11 now runs on many 32-bit systems
  • Platforms without Mojang Java now use Azul Zulu instead of Amazon Corretto
  • Java override in Edit tab now supports selecting folders

Fixes

  • Fixed critical issue preventing game downloads
    (caused by a BetterJSONs API breaking change)
  • Fixed Modrinth "error code 504" issues from automatic update checks
  • Fixed context menus not closing after a click
  • Fixed several CurseForge concurrent download issues
  • Fixed QMP presets added via "Add File" not installing all mods
  • Fixed account login persistence for new users
  • Fixed post-1.21.11 versions failing to launch on Linux ARM
  • Fixed unnecessary Java re-downloads on some ARM systems
  • Fixed duplicate-named mods causing glitches in the store
    (e.g., multiple "Clumps" mods)

Final Note: I had plans for a lot more, but had to force
this out in a matter of days due to the critical BetterJSONs bug.

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