Sh. al-Albānī رحمه الله said :

“Reciting Sūrah al-Fātiḥah in prayer by pausing at the end of each Āyah is a SUNNAH which majority of reciters have ABANDONED in this age of ours.”

[صفة صلاة النبي صلى الله عليه وسلم ٨٤]