Conditional radio field does not work anymore

CF7 > Form > Conditional fields:
show [lieferadresse] if [abweichendelieferadresse] equals "Ja"

Form:

Abweichende Lieferadresse angeben: [radio abweichendelieferadresse default:1 "Nein" "Ja"]
[group lieferadresse clear_on_hide]
(...)
[/group]

This does not work anymore since plugin update from 1.9.11 to 1.9.14

Example: https://www.debess.de/bestellen/lutherbibel-2017-als-extra-grossdruck-bestellen/
WP 5.5.1
CF7 5.2.2
php 7.3.23