#107407 by dopry, optimization patch, do nothing in hook_form_alter() and hook_nodeapi() if there are no fields.

Change update instructions to recommend leaving CCK modules out of the modules folder until they're enabled.

#311146 by Brian294, dheffron, yched, and others, fix critical javascript problem in new Manage fields UI screen in some themes

#314986 by moshe weitzman, remove hook_devel_caches(), deprecated in favor of content_flush_caches().

Clean up inconsistencies in unsetting _error_element, sometimes not unsetting it, sometimes not testing before unsetting it causing undefined index errors.

#119102 Combo field prep, Use === in userreference and nodereference validation to be sure we get right results if parent is a zero (delta) value instead of a string name.

#119102, #314843 Make sure module process code doesn't override #element_validate set by other modules.

Use === in nodereference validation to be sure we get right results if parent is a zero (delta) value instead of a string name.

Added the #delta value to the wrong place in the element, it was inaccessible to the formatter theme.

#310219 Let modules expose additional display modes iunder the 'Display fields' tab : hook_content_build_modes().

- #119102 Combo field prep, add hooks to the fieldgroup module so other modules can alter group info. Add group_type information to the Manage fields screen.

#306604 Views integration: fix relationships with 'group multiple values' option. Thx merlinofchaos for the help.

#310484 by merlinofchaos - Views integration: Allow relationships to work nicely with multiple values.

#310414 Fix broken redirects when adding fields to content types with an underscore in their machine names.

#119102 Combo field prep, add a helper function that can determine if a field is in use and the max delta value in use.

#308215 by Reg - Nodereference: Do not filter on empty string when querying for referenceable nodes.

#309365 by jhuckabee - Views integration: Consider relationships when force-adding the 'Node: Type' field.

#309667 Add Panels integration in. This is still experimental since Panels for D6 is still experimental.