If you already have Send Tab URLs installed, it will be upgraded for you if automatic extension updates are enabled. Otherwise, open Extension Manager (Tools → Add-ons), then right-click on the entry for Send Tab URLs in the list of installed extensions and choose Find Updates.
- Compatible with multi-process tabs (a.k.a. Electrolysis or e10s)
- Other minor fixes
Questions and comments about Send Tab URLs should be directed to the AE Creations Help and Support forums, hosted on Google Groups.