Hi,
You can adjust the zoom with Cmd+ (iirc - it's Ctrl on other platforms). You may need shift as well, if + is a shift key.
There is a list of shortcut keys in the docs.
I have a MacAir 11" with uptodate OS and pgadmin4 1.5
According to the docs, there might be an overrides.css file where I could make those tweeks. Haven't found it yet.
It would be even nicer if the display would respond to the Command + and Command - keystrokes for changing the size of characters.
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A very helpful piece of software though.
Thanks much.
Bob G