Are we ready for Time Machine 2.0 yet?

Why hasn’t Apple fixed Time Machine so that it can back up to APFS yet?
Howard Oakley for Eclectic Light Company:Speculation was rife among users, rather than developers, that last June’s WWDC might have brought announcement of a major update to Time Machine coming in Catalina. Now that all Macs running Mojave have to boot from APFS, and with Catalina’s additional conjuring trick of a read-only APFS system volume, for many systems now the only drives still using HFS+ are those