On a page not linked to other projects, it has disappeared the section "In other languages" on the sidebar and its link "Add links", so it can not be linked to a page in other project. Checked in projects with version 1.35.0-wmf.32 (19fec15), for example:
Compare with en.wikipedia in previous version:
Visit https://en.wikipedia.beta.wmflabs.org/wiki/Newer_article in an incognito window and verify the languages shows up in the portal despite that article having no languages.
QA Results - Beta