Occasionally advance the versions of general dependencies (FOLIO-1276).
Do bundle update --all which will install the new versions
and will update the Gemfile.lock file.
Verify that the local site still renders properly. If there was an update to Liquid, then verify the complex pages such as "API documentation" and Search.
If there are new versions of Tocbot
then update the _includes/head.html file. There are two tocbot entries.
If needed, then there is other Tocbot configuration at the
_includes/js-content.html file.
Verify complex table-of-contents, such as "API documentation".
If there are new versions of js-search
then update the _includes/head.html file.
Verify Search.
If there are new versions of JQuery
then update the _includes/head.html file.
Our site has minimal use.
If there are new versions of Sortable
then update the reference/api/endpoints.md file.
Investigate the ramifications of changes with those dependencies and with Jekyll versions.
See other notes about Maintenance of theme.