PrusaSlicer 3.0 Preview Arrives With New Architecture and a Community Plugin Marketplace on the Way

Prusa Research’s PrusaSlicer 3.0 has entered public preview, releasing on September 1, 2026 15 years to the day after the first commit to Slic3r, the project PrusaSlicer was originally forked from. The release rebuilds the user interface from scratch and introduces a new project system, a reworked profile architecture, and a plugin system, which Prusa…