- Add custom permissions to security tab: create/delete child objects
  and read/write properties.
- Add delegation tasks to security tab. Delegation tasks represent
  common tasks from RSAT's delegation dialog.
- Extended rights are placed in a separate permissions tab.
- Generic and standard permissions are placed in the common permissions
  tab. Common permissions are supplemented by following: list contents,
  read/write all properties, delete, delete subtree, read permissions,
  modify permissions, modify owner, all validated writes and all extended
  rights.
- Add permissions scope selection to the security tab. Corresponding
  permissions can be applied to the target object, target and child objects,
  only to the child objects or to the child object with specific class.
  Delegation tasks are appliable only to target object.
- Changed permissions unsetting behavior: superior permission unsetting
  unsets all subordinate permissions too. For example, "Full control"
  unsetting unsets all other permissions.
- Fixed test fails, which were caused by arbitrary invalid domain controller
  selection.
- Add "Set/unset all" and "Edit" actions to the links tab in the policy OU
  widget. "Set/unset all" actions set/unset state (enforced/disabled, depending
  on column) for all linked policies. "Edit" action opens GPUI for policy editing.
  These actions can be triggered via context menu.

- Fixed lost site and DC info in domain info widget (child domain).
  (closes:52329)

- Fix crashing on child domains after context menu request.

- Add password settings object's creation/deletion/edition. Password
  Settings Container contains these objects and located in the System
  container (objects tree).
- Fix empty parentheses display in the domain info widget for undefined domain
  controller's version.
- Add the ability to view which groups a group is a member of.

- Samba 4.20 compatibility update. Fixed related errors with security
  descriptor manipulations. (closes: 50776)
- Fixed user creation incapability after Samba dependencies
  update. (closes: 50096)

- Fix crashes after OU/user creation attempts by users with
  corresponding delegated rights.

- Fix OU insufficient access for users with delegation. Users with
  delegated OU rights can do corresponding allowed actions. In particular,
  user/group creation/deletion, OU creation and policy (un)link.

- Fixed policy link deletion: OU's child link items are deleted from
tree after removal from policy widget. (closes: 49670)
- Update backend files for Samba 4.20 compatibility.
- Fix admin domain definition method.
- Fix crash after optional attributes load.
- Fix optional attribute display bugs with enabled LAPS.
- Fix crashing after domain object properties apply changes.

- Add drag&drop policy link order changing to links tab in the policy OU
  widget.
- Domain info widget: "Servers" items are removed from the tree and
  domain controller version is added.
- Add link state icons (enforced/disabled) to the links tab from the
  policy OU widget.
- Domain policy link broken deletion is fixed (the same links in other
  OUs were deleted instead of domain's link). (closes: 49385)
- Fix broken domain policy link icon changing: enforcing/disabling
  from policy widget changed another OU's the same policy link icon.
- Fix links duplication in policy OU widget's inheritance tab.
- Fixed user properties window resize.
- Add optional attributes loading. It can be performed via "Load
  optional attribute values" option checking (in the preferences menu)
  or with corresponding button in the attributes tab. (closes: 48817)
- Fixed not selected of any theme after ADMC start.

- Removed missing theme error log on first launch. (closes: 49043)

- Add icon theme selection. System theme is taken from /usr/share/icons
  dir, custom themes are taken from /usr/share/ad-integration dir
  by default. Theme dirs must have index.theme file to be included.
  Theme dirs can also be symlinks.
- Object creation and disabling bugs in 0.15.0 version are
  fixed. (closes: 48780)

- Append AD-integration color, AD-integration duotone, AD-integration line
  and Kora AD-integration themes. These were tested only in ADMC context and
  can be expanded for other projects (like GPUI).