Add Ada.Unchecked_Reallocation, and new implementation unit System.Storage_Pools.Standard_Pools
Add overloaded Ada.Text.Overloaded_Get_Line, and improve Get_Line and Ada.Text_IO.Iterators
Improve Ada.Strings.Generic_Unbounded.Set_Length and Unbounded_Slice
Demote Ada.UCD to implementation unit
Improve Ada.Text_IO.Bounded_IO and Ada.Text_IO.Unbounded_IO
Fix Ada.Interrupts.Is_Reserved to return True for SIGKILL and SIGSTOP
Change Ada.Wide_Text_IO.File_Type and Ada.Wide_Wide_Text_IO.File_Type from derived types to subtypes of Ada.Text_IO.File_Type
Change Ada.Strings.Wide_Maps.Wide_Character_Set, Wide_Character_Mapping, Ada.Strings.Wide_Wide_Maps.Wide_Wide_Character_Set and Wide_Wide_Character_Mapping from derived types to subtypes of Ada.Strings.Maps.Character_Set and Character_Mapping
Retry ACATS

Patch to fix delay statements for long times greater than 10 seconds to 1/10.
Remark
Remove the bodies of Ada.Wide_Text_IO and Ada.Wide_Wide_Text_IO
Remove the bodies of Ada.Wide_Text_IO.Editing and Ada.Wide_Wide_Text_IO.Editing