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Steam News19 June 202617d ago

v1.2.4 - Live On Testing Branch (Will Ship To Main Branch In The Next 3-4 Days)

Added DevState Label To Mark Builds Pushed To The "Testing" Branch As Beta/Release Candidates. Some Small Bug Fixes, From Updating The Backend "GraphicsEngine" APIs.

Full notes

Full MabelDOS update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

3 fixes7 additions2 changes2 removals
  • Compatibility
  • Performance
  • Gameplay
  • UI and audio
  • Fixes
addedAdded DevState Label To Mark Builds Pushed To The "Testing" Branch As Beta/Release Candidates.
changed"GraphicsEngine" Now On Newer Build With More Performance Optimizations Under It's "Software" Backend.
changedUpdated To SharpPlusNative v1.0.5.
removedRemoved The "hex" And "byteorder" Dependencies.
addedAdded Steam Achievement Unlock Icons To Advancement HUD Pop-In For Better Integration UX.
addedAdded Sprite Resize API To GraphicsEngine.

MabelDOS changes

addedAdded DevState Label To Mark Builds Pushed To The "Testing" Branch As Beta/Release Candidates.
changed"GraphicsEngine" Now On Newer Build With More Performance Optimizations Under It's "Software" Backend.
changedUpdated To SharpPlusNative v1.0.5.
removedRemoved The "hex" And "byteorder" Dependencies.
addedAdded Steam Achievement Unlock Icons To Advancement HUD Pop-In For Better Integration UX.

  • Added DevState Label To Mark Builds Pushed To The "Testing" Branch As Beta/Release Candidates.

  • Some Small Bug Fixes, From Updating The Backend "GraphicsEngine" APIs.

  • "GraphicsEngine" Now On Newer Build With More Performance Optimizations Under It's "Software" Backend.

  • Updated To SharpPlusNative v1.0.5.

  • Removed The "hex" And "byteorder" Dependencies.

  • Bumped Steam Client API To v1.64.

  • Added Steam Achievement Unlock Icons To Advancement HUD Pop-In For Better Integration UX.

  • Added Sprite Resize API To GraphicsEngine.

  • Fixed Advancement Unlock Deadlock From Loading Language Sheet.

  • Re-Added Hiding Passwords, Now With Proper Asterisk Showing Instead Of Unix-Styled Hiding.

  • Fixed Passwords Being Added To Output Lines, All Hidden Input Is Discarded From Output Once Input Is Complete.

  • Added Path To CommandLine Prompt.

  • Removed Shutdown Arrow, As It Creates Confusion When Paired With Custom Window Decorations / MacOS Style Window Buttons.

  • Fixed Commands With 2 Or More Arguments Being Broken.

  • Added Missing LengthCheck Error Messages For "Pack", "Unpack" Commands.

  • Swapped To SharpPlusNative's New "RequestHTTP" Downloads Wrapper, With Proper Error Handling.

Source

Steam News / 19 June 2026

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