Issue #1623574 by droplet, cilefen, cesarmiquel, patrickfgoddard, sun, zaporylie, er.pushpinderrana, stevecowie, mbroere: Fixed Remove trailing space from form element labels and field labels (HTML nbsp).
Issue #2267551 follow-up by jfhovinne: [meta] Deal with PHP requirement vs. Debian PHP version numbering.
Issue #1856262 by chx, pwolanin: Raise MySQL requirement to 5.1.21 to support caching of prepared statements.