Two days after the 1.9.4 release, Bambu Lab released a new version of Bambu Studio, labeled 1.9.5.
This release is a hotfix for a bug reported on Reddit. It fixes a printing failure issue caused by repeating the printing of outer walls when enabling SSDA in Arachne mode.
You can find the release notes of the 1.9.5 version and the download links directly on GitHub: https://github.com/bambulab/BambuStudio/releases/tag/v01.09.05.51