Issue #1461732 by filijonka, Cottser, dcam, marcingy, swentel, udaksh: Fatal error when using the Comment module's "Unpublish comment containing keyword(s)" action

Issue #1968348 by znerol, David_Rothstein, peximo, DuaelFr: Fixed hook_field_formatter_prepare_view does not make use of hook_entity_view_mode_alter causing major errors.

Issue #1200478 by mitron, pounard, David_Rothstein | nicholasThompson: Incorrect setting of the 'class' attribute to a string in the Comment module (could cause fatal errors under rare conditions).

Issue #1798066 by boztek, dcam, larowlan | Anonymous: Clean up CommentTestBase::setCommentSettings().

Issue #1426122 by deletedaccount, Alan D., andypost, maximpodorov: Some callbacks return junk when calling drupal_not_found(); replace with return MENU_NOT_FOUND instead.

Issue #1857956 by catch, David_Rothstein: Do not re-prepare comment update timestamp if it's the same as the created timestamp (performance improvement).

Issue #1154382 followup by plach: Fixed several issues with the newly-added hook_entity_view_mode_alter().

Issue #1742602 by dcam, Lars Toomre, xjm, lazysoundsystem: Remove t() from assert messages in comment module tests

Issue #1154382 by Berdir, barraponto, acouch, swentel, LoMo, DamienMcKenna, chx: Fixed View mode no longer can be changed.

Issue #716496 by killtheliterate, rootwork: Make sure all core template files are in themeable group

Issue #1615312 by dsdeiz, David_Rothstein: Make sure all D7 to D7 updates are listed in the updates-7.x-extra group

Issue #890790 by Tor Arne Thune, davidjdagino, moshe weitzman | jenlampton: Added tests to ensure that deleting nodes deletes their comments.

Issue #97327 by PMunn, NROTC_Webmaster, xjm, maartenvg, killes@www.drop.org, gdavid, Zed Pobre: Fixed Data corruption in comment IDs (results in broken threading on PostgreSQL).

Issue #1058564 by Niklas Fiekas, droplet, grendzy, dixon_, naxoc: Fixed User picture does not appear in comment preview.

Revert "Issue #1058564 by Niklas Fiekas, droplet, grendzy, dixon_, naxoc: Fixed User picture does not appear in comment preview."

This reverts commit 186437d3.

Issue #1058564 by Niklas Fiekas, droplet, grendzy, dixon_, naxoc: Fixed User picture does not appear in comment preview.

Issue #1267918 by Niklas Fiekas, darrellulm: Fixed User signature does not appear in comment preview.

Issue #336483 by brianV, catch: Fixed Performance: SELECT MAX(comment_count()) FROM node_comment_statistics() does full table scan.

Issue #289504 by catch, mikeryan, moshe weitzman: Fixed user_delete() performance: index comment uid columns.

Issue #1110650 follow-up by grendzy, oriol_e9g, sun: Fixed comment-by-anonymous class never appears.

Issue #1181750 by Everett Zufelt, sun: Fixed Removal of 'Hidden' option in comment settings form may break programmatic form submissions.

Issue #1399896 by xjm: Fixed testCommentNewCommentsIndicator() is inside CommentHelperCase and therefore gets run repeatedly.

Issue #1178580 by Dave Reid: Fixed PHP notices with [node:summary], [node:body], or [comment:body] if there is no body field or language mismatch.

Issue #1110650 by oriol_e9g, JohnAlbin, linclark, dixon_: Fixed comment-by-anonymous class never appears.

Issue #1069080 by Marie Wendel, droplet: Fixed node_comment_statistics().last_comment_timestamp() description.

Issue #717834 by David_Rothstein, clemens.tolboom, catch: Fixed The dependencies declared in core's hook_update_dependencies() implementations aren't actually correct.