Don’t think there is anything to fix as it is the OS creating the text replacement, not Obsidian. Some workarounds:
- Turn off
Auto pair brackets
in Obsidian - Leave
Auto pair brackets
in Obsidian turned on, but if you need to type a word in brackets that is going to be interpreted by the OS as a text replacement because of the closing bracket, delete the closing bracket before you type any letters - Delete
(c)
as a text replacement in macOS System Settings and replace it with something that doesn’t conflict, such as,c,