As evidenced by the attached screenshot, If there are too many branches in a tab tree, it clips out of the sidebar's frame.
This isn't ideal and requires a manual resize.
There are three ways to fix this:
a) Implement a 'growing' sidebar past a threshold of nested tabs
b) Implement a hard limit of nested tabs based on current sidebar width
c) Use lines that connect branched tabs to its parent instead of indentation
Expected functionality:
One of the three above solutions
Version 0.99.130.2-beta (WebKit 621.1.2.111.4)
Sequoia (15)