Interesting to see gliders discussed in a Transatlantic thread but we do live in strange times.. Regarding the extension of about-to -expire licences and medicals many Sates are already planning an automatic extension .France is one .
EASA is also looking into it . From the German LBA ( Google translation) :
Re FLC licences expiration, EASA announced in the middle of the week that it would apply the Flexibility Commission of the Basic Regulation and had taken the first steps