There are issues reported with missing Brake action while taxi on ground in Ibiza or Menorca. Here thehotfixes for this issue:
Ibiza: Hotfix for Ibiza Professional 1-00.zip
Menorca: Hotfix for Menorca Professional 1-00.zip
Copy the BGL File included in the ZIP Files to the related SCENERY Subdirectory below the Mainfolders of the Islands.
Since 22 May 2018, 10h UTC the Installers includes this Hotfix already