List of tested and browser and platform configurations:

Browser Platform TinyMCE Version Comments
MSIE 5.01SP2 Windows XP 1.34 Works ok, but disabled buttons doesn't get dimmed.
MSIE 5.5SP2 Windows XP 1.34 Works ok.
MSIE 6 Windows XP 1.34 Works ok.
Netscape 7.1 Windows XP 1.34 Works ok.
Mozilla 1.7 Windows XP 1.34 Working ok.
Mozilla 1.6 Windows XP 1.34 Working ok.
Mozilla 1.5 Windows XP 1.34 Working but resizing tables seems to be a bit buggy. Seems to be an browser issue not a TinyMCE bug?
Mozilla 1.4 Windows XP 1.34 Working ok.
Mozilla 1.3 Windows XP 1.34 Works ok.
Firefox 1.0 Windows XP 1.34 Works ok.
Firefox 0.9 Windows XP 1.34 Works ok.
Firefox 0.8 Windows XP 1.34 Works ok.
Firebird 0.7 Windows XP 1.34 Working but resizing tables seems to be a bit buggy. Seems to be an browser issue not a TinyMCE bug?
Firebird 0.6 Windows XP 1.34 Not working at all. Seems to be an browser issue not a TinyMCE bug?
Mozilla 1.8 Linux (Debian) 1.34 Works ok.
Mozilla 1.7 Linux (Debian) 1.34 Works ok.
Mozilla 1.6 Linux (Debian) 1.34 Works ok.
Mozilla 1.5 Linux (Debian) 1.34 Working but resizing tables seems to be a bit buggy. Seems to be an browser issue not a TinyMCE bug?
Mozilla 1.4.1 Linux (Debian) 1.34 Works ok.
Mozilla 1.3.1 Linux (Debian) 1.34 Works ok.
Firefox 0.9 Linux (Debian) 1.34 Works ok.
Firefox 0.8 Linux (Debian) 1.34 Works ok.
Firebird 0.7 Linux (Debian) 1.34 Working but resizing tables seems to be a bit buggy. Seems to be an browser issue not a TinyMCE bug?
Firebird 0.6 Linux (Debian) 1.34 Not working at all. Seems to be an browser issue not a TinyMCE bug?
Mozilla 1.7.2 MacOS X 10.3 1.29 Works ok.

Notice: Only major, stable browsers and those that support the Midas specification are included in the tests. And remember just beacurse your browser isn't included in the list it doesn't mean that TinyMCE isn't working on that browser it's just not verified to work or not work.