Issue #2350431 by webflo: Fixed Set proper langcode in shipped config files.
Issue #2343281 by Upchuk, herom: Fixed RTL issues in content listing page, aka /admin/content.
Issue #2318787 by jarsenx | melbs: Basic_auth Module:  Fix documentation that refers to enabling/disabling of modules.
Issue #1440662 by bdone, marthinal, nod_, sun, rteijeiro, rak2008 | jenlampton: Fixed UX regression: Prevent links in node preview from being clicked.
Issue #2226193 by mgifford, BarisW, damiankloip | LewisNyman: Discuss increasing the contrast of the Seven modal header.