10.9.0

Feature

• Enhance BlockChooser by adding support for allowedBlocks and showRestricted @avoinea @sneridagh

Bugfix

• Better handling of @@images pipeline errors @tiberiuichim
• Fix More menu when using with Plone 4 backend / history action is undefined (#2120) @avoinea
• Fix /sharing page when using with Guillotina (#2122) @avoinea
• Improve CSS in the inner toolbar for the image block to support narrower width (like for using it inside grid blocks) @sneridagh

Internal

• Move express middleware routes (sitemap, download, images and robotstxt) out of server.jsx into their own express-middleware/*.js modules. All express middleware now has access to the redux store, api middleware and an errorHandler, available under req.app.locals @tiberiuichim