If you have recently upgraded to vRanger 5.4 you may be thinking about upgrading to vRanger 5.5
vRanger 5.5 is a follow-up release to vRanger 5.4, providing support for multi-byte characters.
The only difference between vRanger 5.5 and vRanger 5.4 is the Unicode Support. There are no bug fixes or new features.
If you have vRanger 5.4 installed, there is no need to upgrade to vRanger 5.5 unless you want unicode support.