Apple today released macOS Mojave 10.14.6 Supplemental Update which fixes an issue that may prevent certain Macs from waking from sleep properly.
System Requirements: macOS 10.14.6. File Size: 954.8 MB.
More info and download link here.
For detailed information about the security content of this update, please visit:
https://support.apple.com/kb/HT201222
It’s snappy
Actually, it is snappy(er) than before.