This doesn't happen every time, but about 75% of the time, I click on an email once and it opens, when I'm trying to highlight spam and delete it. I'm getting an influx of spam because of it and this is ridiculous.
Please do not release a new format if you don't have the simple bugs worked out. This is creating chaos in my inbox.
Its working fine for me, what version of RoundCube are you using?