Extensions are not part of Firefox and Mozilla is not responsible for them. Please provide the url along with the extension name to make it easier for others to see the problems. * '''Awesome Screenshot - Capture and Annotate''' :: Add-ons for Firefox<br>https://addons.mozilla.org/en-us/firefox/addon/awesome-screenshot-capture-/ If you look at the extension you will see a Developer Comment * ****** We have submitted v2.3.1 which is compatible with Firefox 5 to further review. It'll come out soon. ******* and if you look at "'''Show All Versions'''", you can find the updated version with orange-and-gray strips marked as "unreviewed" where you can download it. * https://addons.mozilla.org/en-us/firefox/addon/awesome-screenshot-capture-/versions/ ---- ''The following information can also be seen in my profile.'' '''Keep your extensions up to date''', don't wait for a Firefox update and then try to do everything after the Firefox update. '''Research your''' extensions, some may have updates, some may be found in the developer comments or user comments on the add-on, or on the "'''View all versions'''" link which is part of the Release notes at the bottom of the add-on page. [https://addons.mozilla.org/firefox/addon/is-it-compatible/ '''Is It Compatible?''' :: Add-ons for Firefox], Are your add-ons compatible with the next version of Firefox? Find out straight from the Add-ons window!

thanks for your answer; guess it is best to make sure the add-on will work, right?