With Dragonflight less than a week away, Patch 10.0.5 may hit the PTR soon with the x.5 patch now an encrypted Vendor Build!
A couple hours ago, the first Patch 10.0.5 build became an encrypted vendor build! While this is encrypted, and not able to datamine, this may indicate that Blizzard is ready to push Patch 10.0.5 to the PTR shortly after launch.