- Patch #999040 by Niklas Fiekas: corrected alternative control structure syntax in theme templates.

#746470 by follow-up by aspilicious, Jacine, jbrown, sgabe, et al: Add border-radius for IE9 / Opera 10.50

#364470 follow-up by Dave Reid, JohnAlbin, et al: Move submitted by back into a variable. The string approach was too limited.

#599706 follow-up by JohnAlbin, sun: Regression: Restore consistency to theme_menu_local_tasks() theme function

- Patch  #960490 by Jacine: regression: ul.links generated by theme_links() always appears as .inline.

- Patch #639460 by Jeff Burnz, effulgentsia, Jacine, mgifford, james.elliott: evaluate CSS of #skip-link, .element-focusable, and upcoming 'disable overlay' links for their impact on contrib/custom themes.

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

- Patch #162047 by sun, Gurpartap Singh: .container-inline class overridden by system.theme.css; also not working with .form-actions.

- Patch #883092 by Everett Zufelt, mgifford, Jacine: add heading before local tasks for screen-reader users.

#874370 by Jeff Burnz, aspilicious, Cliff, mgifford, yoroy, et al: Fixed System messages need identifying icons (WCAG 2.0).

- Patch #686316 by asimmonds, Jeff Burnz: Garland does not show any blocks in highlighted content region.

- Patch #821202 by johnbarclay: Garland Block template needs to implement theme_block_preprocess() to deal with attributes correctly.

#668640 by casey, aspilicious, et al: Re-implement Overlay without jQuery UI Dialog; massive performance improvement, helps address several critical issues.

#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.

- Patch #193482 by xmacinfo, yoroy, james.elliott, Jacine, JohnAlbin, theborg: styling status messages in system.css.

- Patch #461938 by Kars-T, Garrett Albright, JamesAn, grendzy: fixed inconsistent use of filter_xss_admin() on () and ().

- Patch #676800 by casey, sun, james.elliott, cosmicdreams, seutje, Jacine: made fieldsets work on all browser.