New features
[4bd8e11] Replaced some magic strings by constants (@javiereguiluz)
[afc5dc8] Added a Twig block encapsulating the <meta> tags in layout.html.twig (@freepius)
[eb81a1e] Updated front-end dependencies and rebuilt assets (@javiereguiluz)
Bug fixes
[cd7b271] Do not drop specific CSS classes when transforming generic fields (@zorn-v)
[f71b8b4] Trim contents on search queries (@decanet)
[06e6ab2] Don't display form errors twice (@javiereguiluz)
[76e3f04] Use Symfony PropertyAccess to get value of Entity Primary Key (@sarim)
[7886a55] Fixed some issues related to CommonPostConfigurator (@freepius)
[509363d] Added some missing CSS classes to built-in actions in some pages (@freepius)
[81fee76][82f49bc] Misc. doc fixes (@creiner, @javiereguiluz)