Lychee Slicer 7.6.2 & 7.6.3

Release date: 2026-03-04 (updated 2026-03-23)

This release fixes a series of island detection bugs and resolves the FDM slicing freeze introduced, so you can get back to printing with stability. Read the changelog for the rest of the updates. Lychee Slicer 7.6.3 minor update:

Fixed — Object Deletion in Prepare Tab: Delete key no longer removes objects when triggered from the Prepare tab Object Manager.

Fixed — Resolved slicing error on the Creality Halot Sky 2022: All models now slice correctly.

Fixed — An issue where, in some cases, all plates could be deleted in the 3D view. At least one plate must now remain.

New 🎉

• New Authentification Process: Initial connection with Gmail and other authentication now happens directly in your browser, making the login experience more reliable.
• New Resin Printer Support - Athena II: The Athena II printer profile has been added to the printer library with optimized default resin settings.

Fixed 🐞

1. Series of Fixes on the Island Detector feature

Fixed island search bug when using multiplate because islands were not properly detected across plates.

Fixed islands being reported off-side from the actual model position.

Fixed islands moving to wrong positions after a z or x movement was applied to the model.

Fixed island detector misbehaving after selecting invisible objects.

Fixed islands being incorrectly restored from .lys project files.

Fixed incorrect island count displayed in the Export menu.

2. Fixed FDM freeze on Slicing

Filament users on 7.5.5 were hitting a freeze that prevented any slice from completing. This has been fully fixed.

Improvements ⚙️

Global Performance Optimisation: Overall performance has been improved across the board. Most notably, project files now load twice as fast on open.