@Maverynthia - Development Version Rated 5 out of 5 stars
@Maverynthia - Please read my previous review describing Mr Tech's development version which will install in FF6.* to 8. Please also take the time to read that referenced and recommended section of the Mr Tech Toolkit Mozillazine forum topic. Also note that there are at least two other extensions which can override version checking. They are mentioned in the forum. When considering add-ons, it can often help to read their previous AMO reviews.This user has a previous review of this add-on.