For me at least anyway, and I’ve only tried it on two WordPress installations running bleeding edge 2.8. I get this message, click allow, and then all pages work once. Caching on the first load.
I guess they’re for some reason competing with Google Gears, which makes little sense. Why compete? Why not just advertise Gears? They do exactly the same thing from what I can see.
Update: A lot of people are getting here to find out how to use Gears in the Firefox beta. You can use all your extensions (even if Firefox says they’re not compatible) by editing a single option. Of course, if you do that you could end up crashing Firefox or something, but you can just start in safe mode and disable it again.
about:configinto Firefox’s address bar and click the “I’ll be careful, I promise!” button.
- Right-click anywhere. Choose New>Boolean. Make the name of your new config value
extensions.checkCompatibilityand set it to
- Make another new boolean pair called
extensions.checkUpdateSecurityand set the value to
- Restart Firefox.