* Install extensions and themes that are not compatible with 2.0.x and some that are, for example (on Windows):
**Extensions:
#***addblock: https://addons.mozilla.org/en-US/firefox/downloads/file/7544/adblock_plus-0.6.0.4-fx+fl+mz+ns.xpi (old, 15.x compatible)#***noscript: https://addons.mozilla.org/en-US/firefox/downloads/file/3587/noscript-1.1.3.6-fx+fl+mz.xpi (old, 15.x compatible)#***videodownloader: https://addons.mozilla.org/en-US/firefox/downloads/file/9026/videodownloader-1.0-fx.xpi (old, 15.x compatible)#***forecastfox: https://addons.mozilla.org/en-US/firefox/downloads/file/1969/forecastfox-0.9.5.2-fx+fl+mz+ns+zm.xpi (compatible with both)#***map+: https://addons.mozilla.org/en-US/firefox/downloads/file/9036/map_-1.0.0-fx.xpi
**Themes:
#***simplerblue: https://addons.mozilla.org/en-US/firefox/downloads/file/4079/simpler_blue-0.2-fx.jar (1.5x only)#***azurefox: https://addons.mozilla.org/en-US/firefox/downloads/file/12315/azurefox-0.96.1-fx.jar (1.5x and 2.0x compatible)
**When you check for updates you should get a warning within the Major Update Dialog window and a button to list the incompatible extensions. If you continue and restart you will get a dialog on startup prompting you to check if there are updates to those incompatible extensions.
