15.5.0

Feature

• More Italian translations @giuliaghisini

Bugfix

• Fixed edit internal link and image url in this blocks: image block, leadimage block, video block, objectBrowser. In objectBrowser, if pasted url was internal, it wasn't flatted and wass handled from Plone as an external. @giuliaghisini
• Fix folder content layout @SaraBianchi

Documentation

• Added a selectableTypes example to the ObjectBrowserWidget storybook @JeffersonBledsoe #3255
• Add labels for Intersphinx. @stevepiercy