update HISTORY.md and version.h for 6.25.3
Tag v6.25.1
Tag v6.24.2
Tag v6.23.3
Tag v6.23.2
Update HISTORY.md and version.h for 6.22.1
Update HISTORY.md and bump version for 6.20.3
v6.19.3 tag creation
Bump version and update HISTORY.md for 6.16.4
Bump version and update HISTORY.md for 6.17.3