New OrcaSlicer Update Fixes 3MF Security Issue and Improves Linux Support
A new update for OrcaSlicer has been released, bringing a mix of security fixes, usability improvements, and better Linux support for makers using the popular slicing software.
One of the most important changes in this release is a fix for a 3MF file vulnerability. The issue could allow specially crafted project files to write data to unintended locations on a user’s system when imported. While this type of exploit is not something most users would encounter day to day, it highlights why keeping your slicer up to date is so important.
3MF files are widely used in 3D printing because they can store not just the model, but also printer settings, colours, and slicing profiles. That makes them incredibly useful, but also means they can carry more complex data than a simple STL file.
Better experience for Linux users
This update also brings a range of improvements for Linux users, which has historically been an area that gets less attention in 3D printing software.
The new version includes fixes for:
• startup issues that could cause a black screen
• window resizing behaviour
• crashes in certain tools and workflows
These changes should make OrcaSlicer feel much more stable and usable on Linux systems, especially for makers running dedicated print servers or low cost machines.
New features and quality of life updates
Alongside the fixes, the update also adds several smaller improvements that make everyday use smoother.
These include:
• a new wipe tower setting for multi-material printing
• improved detection of multi-material systems
• interface tweaks for better navigation
• general bug fixes and stability improvements
None of these are huge headline features on their own, but together they make the slicer feel more polished and reliable.
Why this update matters
Security updates like this are easy to overlook, especially in hobby software, but they are becoming more important as file sharing grows across platforms like MakerWorld and Printables.
If you regularly download 3MF files from the internet, updating your slicer is a simple step that helps protect your system.
At the same time, the continued improvements to Linux support show that OrcaSlicer is evolving into a more complete tool across all platforms, not just Windows and macOS.
Source: https://github.com/OrcaSlicer/OrcaSlicer/releases
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