With i18n enabled (it is also present in default i18n support), an URL with selectors inside, still valid in Magnolia 4.1 and 4.2, all links of a page accessed with a selector in URL are "null".

e.g: URL like "/magnoliaAuthor/test.html" are OK
e.g: URL like "/magnoliaAuthor/test.123.html" are KO

You can try even on a demo-project website.

Object involved:
ETK 1.1.2
ETKI18nContentSupport.java

Patch provided.