Legacy System Extension warning after updating Catalina to 10.15.4

huhugrub

A pop up window showed up after updating macOS to Catalina 10.15.4:

Legacy System Extension
Existing software on your system loaded a system extension signed by "Secomba GmbH" which will be incompatible with a future version of macOS. Contact the developer for support.

Information on this is at: https://support.apple.com/en-nz/HT210999

Q: Are you planning an updated version of Boxcryptor to continue to support macOS in the future?

Oliver

Yes, we are aware of the situation and will publish updated versions of Boxcryptor for future MacOS releases.
Thank you very much for your post.

UPDATE: We just published a new help article for this issue: https://www.boxcryptor.com/en/help/faq-and-troubleshooting/macos/#legacy-system-extension