Mentioned in [52067] on Core SVN:
Posts, Post Types: Add `$old_status` parameter to `{$new_status}_{$post->post_type}` action.

Mentioned in [52028] on Core SVN:
Media: Add filter for post thumbnail id.

Mentioned in [50127] on Core SVN:
Posts, Post Types: Introduce new functions for determining if a post has a parent (`has_post_parent()`) and to fetch the post parent (`get_post_parent()`).

Mentioned in [49148] on Core SVN:
Users: Introduce `email_exists` filter, to complement `username_exists`.

Mentioned in [47190] on Core SVN:
Menus: Introduce `wp_nav_menu_item_custom_fields` action that fires just before the move buttons of a nav menu item in the menu editor.

Mentioned in [47086] on Core SVN:
Mail: Remove angle brackets from password reset URL in emails sent by `retrieve_password()` and `wp_new_user_notification()`.

Mentioned in [46467] on Core SVN:
Users: Make sure `wp_logout()` clears current user, so that a subsequent call to `is_user_logged_in()` works as expected.

Reopened ticket #21095 on Core Trac:
Reset password link is in < RESET_URL > - Gmail does not show it.

Mentioned in [46245] on Core SVN:
Media: Sets `post_id` optional in `media_sideload_image()` and `media_handle_sideload()`.

Mentioned in [45056] on Core SVN:
Bootstrap/Load: Ensure the fatal error handler is registered after `WP_CONTENT_DIR` is defined, so the custom error handler drop-in could be properly loaded.

Created ticket #46069 on Core Trac:
WP_CONTENT_DIR in wp_register_fatal_error_handler

Mentioned in [44453] on Core SVN:
Bootstrap: Allow `WP_DEBUG_LOG` to override the `debug.log` location.

Created ticket #44211 on Core Trac:
Add cookie domain to `userSettings` script localize

Created ticket #43678 on Core Trac:
Add indents to default .htaccess rules

Created ticket #43677 on Core Trac:
Update doc and return type for save_mod_rewrite_rules

Created ticket #43676 on Core Trac:
.htaccess rules don't work with Plain

Created ticket #43579 on Core Trac:
Optional post_id param in media_sideload_image and media_handle_sideload ...

Created ticket #43543 on Core Trac:
New filter for output of wp_get_attachment_image function

Created ticket #43076 on Core Trac:
current-menu-item for archive menu item on singular page

Created ticket #43001 on Core Trac:
Page Slug and Attachment - Conflict