Issue #999338 by lauriii, joelpittet, Sir-Arturio, mgifford, mlncn, alarcombe, sun | Eric_A: Fixed theme_image() alt attribute cannot be passed in $variables['attributes'] .

Issue #2334405 by almaudoh, drunken monkey: Clean up documentation links to functions moved to render element classes

Issue #1898478 by joelpittet, Cottser, lokapujya, m1r1k, jstoller, er.pushpinderrana, duellj, organicwire, jessebeach, idflood, Jalandhar, Risse, derheap, galooph, mike.roberts, tlattimore, nadavoid, LinL, steveoliver, chakrapani, likin, killerpoke, EVIIILJ, vlad.dancer, podarok, m86 | c4rl: Menu.inc - Convert theme_ functions to Twig.

Issue #2285493 by joelpittet, lanchez: Remove deprecated 'class' property from #theme 'links' and #theme 'menu_tree' heading arrays.

Issue #2329505 by Cottser, SebCorbin, joelpittet, drupalninja99, jenlampton, longwave, aboros, trevorkjorlien, socketwench, shanethehat, mbrett5062, rteijeiro: Convert theme_task_list to Twig template.

Revert "Issue #1885564 by Cottser, SebCorbin, joelpittet, drupalninja99, jenlampton, longwave, aboros, trevorkjorlien, socketwench, shanethehat, mbrett5062, rteijeiro: Convert theme_task_list to Twig template."

Wrong issue number; correcting...

This reverts commit 511d9f79.

Issue #2031301 by andypost, Cottser, xjm, mark.labrecque, mariacha1, joelpittet, robynlgreen, danquah, trogels, Eric_A, thedavidmeister, jenlampton: Replace theme_more_link() and replace with #type 'more_link'.

Issue #1885564 by Cottser, SebCorbin, joelpittet, drupalninja99, jenlampton, longwave, aboros, trevorkjorlien, socketwench, shanethehat, mbrett5062, rteijeiro: Convert theme_task_list to Twig template.

Issue #2273277 by Wim Leers, effulgentsia, Fabianx: Fixed Figure out a solution for the problematic interaction between the render system and the theme system when using #pre_render.

Issue #2301245 by sun, joelpittet | larowlan: Fixed Entity system invokes non-existing theme hooks: 'Theme hook  not found.'

How about a *sensible* commit message? ;)

This reverts commit 1a10539f.

Issue #2088365 by Cottser, CharuAg, bradklaver, machostache, cs_shadow, visabhishek, sriharsha.uppuluri, grisendo, undertext, naveenvalecha | nod_: Fixed Wrong name for datetime.html.twig should be time.html.twig.

Issue #2152227 by JeroenT, joelpittet, steinmb, steveoliver, hussainweb, shanethehat, jenlampton, kpa, AnythonyR, EVIIILJ, kgoel, Cottser, dsdeiz, hanpersand: Convert theme_tableselect() to #theme table__tableselect.

Issue #2217755 by Alumei, Les Lim, er.pushpinderrana, martin107, Daniel Norton | alexpott: Fixed template_preprocess_links uses a non existent class JSON.

Issue #2260059 by er.pushpinderrana, joelpittet, LinL, SebCorbin | Mark Carver: Fixed Title in template_preprocess_item_list() is typecasted as string.

Issue #2296775 by gauravkhambhala | jhodgdon: Fixed Content Markers defgroup/topic mentions theme_mark() (nonexistent).

Issue #2289999 by dawehner, Cottser | Fabianx: Add an easy way to create HTML on the fly without having to create a theme function / template.

Issue #2301317 by pwolanin, dawehner, Wim Leers, effulgentsia, YesCT, xjm, alexpott: MenuLinkNG part4: Conversion.

Revert "Issue #2301317 by pwolanin, effulgentsia, Wim Leers, dawehner, alexpott: MenuLinkNG part4: Conversion."

This reverts commit fd2db9cd.

Issue #2301317 by pwolanin, effulgentsia, Wim Leers, dawehner, alexpott: MenuLinkNG part4: Conversion.

Issue #2073811 by dawehner, pwolanin, joelpittet, Cottser, Mark Carver, steveoliver: Add a url generator twig extension.

Issue #1825952 by Fabianx, joelpittet, bdragon, heddn, chx, xjm, pwolanin, mikey_p, ti2m, bfr, dags, cilefen, scor, mgifford: Turn on twig autoescape by default

Issue #806982 by lokapujya, gnuget, miqmago, shashi1028, Floydm, bfroehle, kathyh, sreynen: Tables should take an optional footer variable and produce <tfoot>.

Issue #2227601 by mparker17, cs_shadow, swentel, lanchez, mgifford: Added a "Visually-hidden" field label formatter.

Issue #2296859 by Mark Carver: Fixed [regression] Responsive classes not always added to table rows.