Issue #2608072 by ameymudras: "Object of type "@class" cannot be printed." exception message should not be translated

Issue #2609400 by tim.plunkett, effulgentsia, benjamin.merkley: menu.html.twig says that menu_name is an available variable, but it's not

Issue #2584837 by claudiu.cristea, Berdir, joelpittet, slashrsm, ChristianAdamski: Double translation in  template_preprocess_field_multiple_value_form()

Issue #2515018 by joshi.rohit100, sdstyles, joelpittet: Lowercase the instances of camelcase'd instanceOf in core for consistency

Issue #2578561 by tim.plunkett, joelpittet, Bojhan, Fabianx, xjm, cilefen, David_Rothstein, DamienMcKenna: Move "Inline Form Errors" functionality to optional module and restore D7-style form errors by default

Issue #2557367 by davidhernandez, joelpittet, madhavvyas, alexpott, nikkyR, Studiographene, emma.maria, xjm: Fix inline list CSS

Issue #2273671 by JeroenT, mgifford, Tim Bozeman, StryKaizer, catch: Allowed number of values more than 1 needs aria-describedby Support

Issue #478994 by valthebald, sushantpaste, LewisNyman, InternetDevels, Xano, lucastockmann, alansaviolobo, mgifford, emmajane: Please state the version you are installing

Issue #2576533 by alexpott, stefan.r, Wim Leers, dawehner, xjm, effulgentsia, catch: Rename SafeStringInterface to MarkupInterface and move related classes

Issue #2476947 by mdrummond, Wim Leers, davidhernandez, lauriii, joelpittet, andypost, Cottser, JeroenT, Manuel Garcia, rpayanm: Convert "title" page element into a block

Issue #2572929 by dawehner, pwolanin, mikeker, xjm, stefan.r, David_Rothstein, hussainweb, lauriii, Wim Leers, catch, chx, alexpott: Document lack of auto-escape in theme functions and add a theme autoescape helper function

Issue #2405057 by nlisgo, Manjit.Singh, ctraltdel, madhavvyas, avitslv, LewisNyman, emma.maria, joelpittet, dernetzjaeger, wmortada, karolus, cilefen, Noe_, davidhernandez, idebr: Replace arrow-asc and arrow-desc images with Libricons and implement using CSS

Issue #2550225 by swentel, yched, Wim Leers, aspilicious: quickedit_test_entity_view_alter() creates a non compliant field render array

Issue #2550225 by swentel, yched, Wim Leers, aspilicious: quickedit_test_entity_view_alter() creates a non compliant field render array

Issue #2005546 by mdrummond, joelpittet, Manuel Garcia, lauriii, lokapujya, epari.siva, hosef, rpayanm, emma.maria, HOG, zetagraph, wmortada, rteijeiro, Cottser, hussainweb, madhavvyas: Use branding block in place of page template branding variables (site name, slogan, site logo)

Issue #2538950 by alexpott, dawehner, stefan.r: Replace SafeMarkup::format() in template_preprocess_html with placeholders in the template

Issue #2560641 by alexpott, lauriii, Xano, borisson_, ianthomas_uk, olli: Remove all usages SafeMarkup::checkPlain() from render arrays

Revert "Issue #2560641 by alexpott, lauriii, Xano, borisson_, ianthomas_uk: Remove all usages SafeMarkup::checkPlain() from render arrays"

This reverts commit 31007609.

Issue #2560641 by alexpott, lauriii, Xano, borisson_, ianthomas_uk: Remove all usages SafeMarkup::checkPlain() from render arrays

Issue #507488 by lauriii, mdrummond, Wim Leers, Manuel Garcia, pwolanin, davidhernandez, chx, jibran, andypost, dawehner, Xano, tuutti, Gábor Hojtsy, LewisNyman, maximiliam, eiriksm, borisson_, bill richardson, Fabianx, joelpittet, Jeff Burnz, xjm, webchick, Bojhan, EclipseGc, emma.maria, tim.plunkett: Convert page elements (local tasks, actions) into blocks

Issue #2214241 by mortendk, mdrummond, lauriii, galooph, ShaunDychko, jjcarrion, b0unty, joelpittet, scor, amitgoyal, aboros, Manuel Garcia, hkirsman, BLadwin, hussainweb, sushilkr, emma.maria, nlisgo, yched, LewisNyman, davidhernandez, mikl, camoa, dman, dodorama: Field default markup - removing the divitis

Issue #939462 by lauriii, Antti J. Salminen, NROTC_Webmaster, mbrett5062, tim.plunkett, tostinni, rteijeiro, dvessel, cilefen, barraponto, theapi, joelpittet, Xano, tuutti, drzraf, Fabianx, markcarver, xjm, catch, Cottser, sun, jenlampton, effulgentsia, davidhernandez, kscheirer, akalata, andypost, hass, rooby, jhodgdon, fubhy, becw, MXT, mlncn, lemunet, chriscalip, mike stewart, PavanL, kevinquillen, gleroux02: Specific preprocess functions for theme hook suggestions are not invoked

Issue #2549791 by alexpott, Wim Leers: Remove SafeMarkup::xssFilter() and provide ability to define #markup escaping strategy and what tags to filter

Issue #2551989 by Wim Leers, Crell: Move replacing of placeholders from HtmlRenderer to HtmlResponseAttachmentsProcessor

Issue #1885564 by joelpittet, SebCorbin, Cottser, mpdonadio, David_Rothstein, drupalninja99, jenlampton, lauriii, rteijeiro, mbrett5062, akalata, Devin Carlson, trevorkjorlien, longwave, socketwench, shanethehat, aboros: theme.maintenance.inc (authorize.php) - Convert theme_ functions to Twig

Issue #2473951 by Cottser, cilefen, yannickoo, davidhernandez, LewisNyman: Prefix form-required classes with js-

Issue #2426967 by mortendk, BarisW, joelpittet, akalata, jwilson3, Manjit.Singh, joginderpc, rteijeiro, mgifford, LewisNyman, Manuel Garcia, markconroy: Feed icon should be a CSS background image not a image file

Issue #2472431 by davidhernandez, yannickoo, cilefen, LewisNyman: Do not load normalize.css in all themes, load it in Classy

Issue #2506195 by alexpott, joelpittet, xjm, David_Rothstein, Fabianx, pwolanin: Remove SafeMarkup::set() from Xss::filter()

Issue #2407195 by Wim Leers, Fabianx, joelpittet, lauriii, Crell: Move attachment processing to services and per-type response subclasses

Issue #2505469 by pwolanin, joelpittet: Remove drupal_render() calls from template_preprocess_table()

Issue #1493324 by tim.plunkett, dmsmidt, mgifford, bleen18, davidhernandez, crasx, mparker17, stefan.r, YesCT, joelpittet, tstoeckler, larowlan, vijaycs85, swentel, rpayanm, Bojhan, LewisNyman, emma.maria, BarisW, njbarrett, rteijeiro, nod_, sun, joshtaylor, mrjmd, webchick, marcvangend, kattekrab, SKAUGHT, bowersox, andrewmacpherson, Manjit.Singh, RavindraSingh, Wim Leers, BLadwin, aspilicious, mortendk, mausolos, jessebeach, Gábor Hojtsy, anandps, falcon03, franz, andypost, rooby, rootwork, Cottser, Xano: Inline form errors for accessibility and UX

Issue #2497259 by catch, tim.plunkett, alexpott: system_region_list() unnecessarily translates region names