[TLMGR] Rimozione importanti pacchetti

Cari amici, l’aggiornamento di stamane ha rimosso automaticamente importantissimi pacchetti. Ecco i dati:

`tlmgr: saving backups to /usr/local/texlive/2016/tlpkg/backups
[ 1/15] auto-remove: fontspec … done
[ 2/15] auto-remove: mathspec … done
[ 3/15] auto-remove: unicode-math … done
[ 4/15] auto-remove: xunicode … done
[ 5/15] auto-remove: xltxtra … done
[ 6/15] auto-remove: polyglossia … done
[ 7/15] auto-remove: euenc … done
[ 8/15, ??:??/??:??] update: biblatex-abnt [556k] (41668 -> 41800) … done
[ 9/15, 00:16/00:55] update: dccpaper [447k] (37647 -> 41804) … done
[10/15, 00:29/00:55] update: showexpl [592k] (32737 -> 41805) … done
[11/15, 00:44/00:52] update: texinfo [98k] (41792 -> 41797) … done
[12/15, 00:51/00:57] update: texlive-docindex [220k] (41781 -> 41802) … done
[13/15, 01:00/01:00] update: collection-latexrecommended [1k] (41452 -> 41799) … done
[14/15, 01:04/01:04] update: collection-mathextra [1k] (41676 -> 41799) … done
[15/15, 01:07/01:07] update: collection-xetex [1k] (41611 -> 41799) … done`

È una cosa normale? Ci sono alternative?
Oppure, devo (come suppongo) reinstallarli?

Ciao,
Domenico