[dilippkumar]

Well, there isn't any listed security fixes for iOS:

https://www.whatsapp.com/security/advisories/2020/

Edit: Discard this comment, read saagarjha's reply below.

[saagarjha]

Most of the ones listed there seem to apply?

[dilippkumar]

You're right. I didn't read these as carefully as I should have.

[saagarjha]

No worries, happens to the best of us :)