4.13.4

New features

[0df1187] Allow to set HTML attributes in fields on index and detail pages, not only on form pages (@KDederichs)
[f907d7a] Allow to customize the string representation of Collection field entries (@roromix)

Bug fixes

[cfb7348] Replace unsafe guessClientExtension() method with guessExtension() (@alshenetsky)
[304ebb1] Fix for linking from Edit/Detail to Index pages (@bytes-commerce)
[f85f23d] Fix some Twig deprecations in the form theme (@javiereguiluz)
[82d4947] Check if button parameters are present when submitting forms (@KDederichs)
[beeb804] Fix empty query term conditions (@guillaume-sainthillier)
[f9923f4] Prevent a crash when loading filters (@pkly)
[bdda011] Misc doc fixes and improvements (@FerJoTello)