Sync 18.104.22.1680 release is now available. It's available via "Check now" (manual update) and by direct download links below or from resilio.com site. It was not pushed to autoupdate.
Direct Download Links:
Installer for Windows: x86 installer x64 installer
Package for OS X: OS X package
Gzip archive for Linux: arm armhf arm arm64 i386 x64 glibc23_i386 glibc23_x64
Gzip archive for FreeBSD: x64
Deb and rpm: download here