Issue #2341313 by dawehner: Convert all t() calls to $this->t() in views.
Issue #2342949 by rpayanm | larowlan: Cleanup BlockContentBlock.
Issue #2293501 by dawehner, Wim Leers, znerol: Use route name and params instead of _system_path in CsrfAccessCheck.
Issue #2254181 by Wim Leers, Arla, blueminds, cbr: Fixed Comment indentation is incorrect for comments following a replying-comment: don't render cache comments for which threading is enabled.
Issue #2343607 by alexpott, dawehner: Cleanup UrlGenerator.
Issue #2228125 by dawehner: 'base theme' property in theme .info.yml files does not need to be wrapped in quotes
Issue #2329853 by Cottser: Move miscellaneous theme.inc classes from preprocess to templates.
Issue #2340123 by Wim Leers: Setting cache tags can be tricky: use strings instead of nested arrays to improve DX.
Issue #2344979 by yched: Rename field type list_text to list_string.
Issue #2224625 by heypaxton: Fixed Wrong position sticky tableheader on mobile.
Issue #1972122 by akalata, mortendk, JamesLefrère, pakmanlh, ckrina, sun: Remove the DIV tag around block content.
Issue #2342237 by martin107: Fixed Cannot use the same variable in the inner and outer foreach loop ( $label ).
Issue #2342227 by martin107: Fixed untraversable for loop in DisplayFeedTest().
Issue #2329759 by Sutharsan: Move container classes from preprocess to templates.
Issue #2343787 by tim-e: Fix use of get() and set() in ContactForm getters/setters.
Issue #657166 by mgifford, TR, Haza, cs_shadow, heaths1: Use × instead of x.
Issue #2154781 by ParisLiakos: Convert aggregator/sources and aggregator/opml to views.
Issue #863594 by David_Rothstein, mbrett5062: Fixed Strange first paragraph in the installer database error message.
Issue #2318381 by csakiistvan, thamas: Fixed Message not styled properly on interface translation page .
Issue #2345395 by martin107, herom: Fix param type in RESTTestBase