Issue #1615312 by dsdeiz, David_Rothstein: Make sure all D7 to D7 updates are listed in the updates-7.x-extra group

Issue #278425 by andypost, droplet, OnkelTem, chx, c960657, drewish, kotnik, realityloop: Change notice for: Using basename() is not locale safe.

Issue #758628 follow-up by jbrown, mgifford, nowarninglabel: Make GD library hook_requirements() desaturation and rotate errors into warnings..

#915174 by sdboyer, sun: Remove pointless files[] declarations on files that are not declaring classes.

- Patch #927406 by Damien Tournoud, carlos8f, george@dynapres.nl, amateescu, Volx: colorable themes fail when CSS aggregation is enabled due to improper stream wrapper usage.

- Patch #769226 by Owen Barton, sun, effulgentsia, alanburke, bleen18, mfer: optimize JS/CSS aggregation for front-end performance and DX.

- Patch #443286 by c960657, Damien Tournoud, drifter, webkenny, scor: international characters break file handling.

- Patch #134321 by dvessel, dboulet: if default color profile base and original style.css background color are the same, output is invalid CSS background.

- Patch #348448 by mfb, c960657, marvil07, cdale, jpmckinney: fixed PHP strict warnings when running tests and for PHP 5.3.

#693504 by stBorchert, ksenzee, dixon_ | jarek, joachim, EvanDonovan, eigentor, sun, dmitrig01, et al.: Added support to color.module for flexible color schemes and gradients, and removed hard-coded assumptions about Garland.

#679890 follow-up by Bojhan, aspilicious, and agentrickard: Remove more extraneous 'Please' in the interface.