Windows 10 (20H2) Obsidian 10.0.1 Installer 0.9.1
Same setup for both laptops
As I mentioned in several previous posts in this thread, you should really update the installer version. Download and install a fresh copy of obsidian from the website and redo the tests.
MacBookPro (16-inch 2019) macOS 12.0.1 Internal display Default scale
Obsidian v0.13.14 Installer v0.13.14 Default theme Default setting No plugin
I also noticed that the themeCSS property in mermaid.initialize contains some wrong styles.
themeCSS
mermaid.initialize
New issue here: Mermaid: Text gets cut off