A wikipedia page mention Jitsi as non-"privacy-law-compliant"

Dear Jitsi,
Thanks for your work!
On this wikipedia page “https://en.wikipedia.org/wiki/Comparison_of_cross-platform_instant_messaging_clients”, you appear not to be “privacy law compliant”, although this information is not referenced.
Concerning you, what does it mean exactely?
You may want to update it…
Best regards