visibility' permission.

for mini-panels that takes the user to edit that mini-panel.

content_type subtype in panels_mini to improve performance with large
numbers of mini panels.

submit callbacks.

panels_display_save().

know the mini panel doesn't exist.

#745808 by Robbert: use number_format() in flexible width calculations to ensure locale settings cannot bork generated CSS.

approach was old and crusty.

Introduce the Panels stylizer module which builds on the CTools stylizer base to create user definable, recolorable styles.

Turn off ajax load for Selection Criteria tab in Page Manager, such that access plugins can properly load their own js files.

#683162: Convert all plugins to use new $plugin = array() format. This is less brittle than the specially named hook.

#612704 by c960657: panels_get_pane_content() inappropriately created a blank context when no contexts were available.

#657474: Fix to export logic to ensure that title_pane behavior works properly on exported panel displays.

#624710: fix an old, old bug where the default empty context was not being appropriately wrapped in an array.