gsappa

I've tried to install it (both @rzroth xpi than following instructions reporte by @markwmuller), but it's saying that is non compatible with TB 68.10. Any suggestion?

> 1.4 rc1 works for me after update. > > Here (not so obvious but worked) steps to fix `v68` compatibility issue: > > * Download [gmailui-1.4-tb.xpi](https://github.com/wangvisual/expression-search/tree/master/beta) > * (optionally)...