Merge remote-tracking branch 'origin/development'
# Conflicts:
# include/etl/basic_format_spec.h
# include/etl/private/to_string_helper.h
# include/etl/to_string.h
# include/etl/to_u16string.h
# include/etl/to_u32string.h
# include/etl/to_wstring.h
# include/etl/version.h
# support/Release notes.txt
