Issue #1534490 by msonnabaum, bigjim, David_Rothstein, pounard, Dave Reid: Make block cache cids alterable

Issue #2432619 by vbouchet, jhodgdon, joachim: block_load() should state it's not suitable for general consumption

Issue #413270 by Jody Lynn, Daniel Korte: Block settings for theme menu title getting double escaped

Issue #1930960 by pounard, iamEAP, pjcdawkins, msonnabaum, David_Rothstein: Fixed Block caching disable hardcoded on sites with hook_node_grant() causes serious performance troubles when not necessary.

Issue #466576 by gagarine, jackbravo, tim.plunkett, sheise, Rob C, jamesm6162 | daemon: Increased the maximum allowed length of block titles to 255 characters.

Issue #1076132 by fizk, friesk, foxtrotcharlie, coolestdude1, David_Rothstein, skwashd, alexpott, tstoeckler | adaddinsane: Hook_block_view_MODULE_DELTA_alter fails with blocks that have a hyphen in the block delta.

Issue #2044791 by skipyT, alexandre.todorov, joachim: Clarify documentation of hook_block_view around empty return values

Issue #1956914 by pounard, David_Rothstein, chaby: Use a single cache_get_multiple() call per region instead of a cache_get() per block in _block_render_blocks().

Revert "Issue #1956914 by chaby, pounard: Use a single cache_get_multiple() call per region instead of a cache_get() per block in _block_render_blocks()."

This reverts commit 43c8918f.

Issue #1956914 by chaby, pounard: Use a single cache_get_multiple() call per region instead of a cache_get() per block in _block_render_blocks().

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

Issue #1600892 by tim.plunkett, sun: Fixed Tests use magic numbers 1 and 2 instead of user role constants.

Issue #1039666 by Jelle_S, droplet, Kevin Morse, nod_: Fixed Placing a block in a region via select dropdown moves it to the top of the region, but it will show at the bottom.

Issue #1172560 by bas.hr, bellesmanieres, NROTC_Webmaster, tim.plunkett: Fixed The block X was assigned to the invalid region Y and has been disabled.

Issue #917490 by pounard, msonnabaum: Performance patch for block_list()  (D6)  and _block_render_blocks() (D7) functions.

Revert "Issue #1039666 by Jelle_S: Fixed Placing a block in a region via select dropdown moves it to the top of the region, but it will show at the bottom."

This reverts commit 67b7ac08.

Issue #1039666 by Jelle_S: Fixed Placing a block in a region via select dropdown moves it to the top of the region, but it will show at the bottom.

Issue #1103590 follow-up by Tor Arne Thune, dcrocks: Add tests for blocks being added to 'hidden' region.

Issue #1122584 by 10oclock, Rob Loach: Fixed Use #attached for block_admin_display_form() instead of drupal_add_css().