It is still compatible with the current release as the config in
sites-available will be ignored, while conf-enabled does not exist and
is not included in the main config.
The scenarios will work with new or old base images as long as the version
in use is included as product in the master data (src/libimcv/imv/data.sql).
Some fetcher plugins (such as curl) might build upon OpenSSL to implement
HTTPS fetching. As we set (and can't unset) threading callbacks in our
openssl plugin, we must ensure that OpenSSL functions don't get called after
openssl plugin unloading.
We achieve that by loading curl and all other fetcher plugins after the base
crypto plugins, including openssl.
Tobias Brunner