Use System.Address_To_Named_Access_Conversions instead of Ada.Unchecked_Conversion, again
Improve the implementation unit System.Reference_Counting
Delete unnecessary package names
Add named types to global hooks typed anonymous access-to-subprogram
Reduce tagged primitives
Improve Ada.Strings.Generic_Unbounded in code size
Add overloaded input/output subprograms for Wide_Character/Wide_Wide_Character into Ada.Text_IO
Remove "SUB" from the parameter Form
Add Ada.Text_IO.Skip_Ahead
Fix Ada.Text_IO for illegal sequence
Improve Ada.Text_IO.Look_Ahead for DBCS mode in Windows
Use -pipe
Make new directory numerics/generic, i386 and x86_64, and use SSE2-version SFMT in all x86_64 environments
Fix error handling of Ada.Directories
Use -gnatB -gnatVn for optimization
Add Ada.Exceptions.Unchecked_Reraise_Occurrence and use it
Remove unnecessary implicit initialization of C structs
Add make targets xfind and xfindall into examples/Makefile
Insert pragma Suppress to remove validity check of UErrorCode
Use -ggdb instead of -g