Searching by name isn't possible anymore in the Hierarchies view of
the Library Overrides display mode. This is to workaround big
performance issues in complex scenes.
(21b92a5f31)
The data-block type filter was removed from the Properties view of the
Library Overrides display mode. It isn't needed anymore since
data-blocks are now grouped by type anyway.
(b5fc8f611e)
The context menu doesn't show whole sections of operations that cannot
operate on the selected elements anymore.
(7eda9d8dda)
Improved element count display with better readability and higher
numbers.(a5d3b648e3,
84825e4ed2).