current releases not updated?

[Didier Wiroth]

Hello,
After checking the ftp://ftp.openbsd.org/pub/OpenBSD/snapshots/amd64
directory for the latest releases, I saw that the latest build is from
early/mid February, same with packages directory.
In the past current os packages were updated more often, is there a
reason why packages are (somewhat old) or are there some changes in
current update behavior?
Thank you very much.
Kind regards,
Didier