The detailed history of the INN series can be read at:
INN Versions

For recommendations on what you should do, see: Should you Upgrade INN?

Advantages of 1.5.1corr/1.7 over 1.5.1sec2, and 1.6b3

How to get 1.5.1corr and 1.7
The ISC has picked up 1.5.1corr and renamed it 1.7. No compensation was given to Mib Software for this transfer.

RKT Rapid-Links:[Search] [RKT Tips] Path: / Usenet RKT / For Providers / INN Patches / 0033.htm
You can find a summary and links related to this topic
as part of the Mib Software Usenet RKT.