Issue #2429617 by Wim Leers, Fabianx, Berdir, yched, dawehner, effulgentsia, catch, borisson_, jhodgdon, martin107, torgosPizza: Make D8 2x as fast: Dynamic Page Cache: context-dependent page caching (for *all* users!)

git commit -m 'Issue #2522716 by davidhernandez, YesCT: Update mentoring description in MAINTAINERS.txt and add current maintainers alimac, heddn, valthebald, cilefen

Issue #2513692 by pameeela, naveenvalecha, andypost: Remove tim-e from Maintainers.txt for contact module. Add jibran and andypost

Issue #2496367 by jibran, nod_, zniki.ru, ashutoshsngh: Add dawehner and pwolanin as Menu subsystem maintainer

Issue #2491155 by mikeburrelljr, Mac_Weber, opdavies: Update drupal.org and kernel.org URLs in core modules (Follow-up to 2489912)

Issue #2485611 by Jelle_S: Add Jelle Sebreghts (Jelle_S) as co-maintainer of Responsive Image module

Issue #2318245 by mdrummond: Add Marc Drummond as co-maintainer of Responsive Images and Breakpoint modules.

Issue #2310729 by tim.plunkett: Add tim.plunkett as a maintainer for Forms system, Routing system, and Configuration module.

Issue #950534 by mparker17, mgifford, Mixologic, jbloomfield, erinclerico, theMusician, wmostrey | zirvap: [policy] Consistently use email instead of e-mail in Drupal.