After reaching the milestone a few days ago I was not getting any snapshot updates anymore
After forcing an install the apt utility thinks that the snapshot is a downgrade!
openhab@openhab:~$ sudo apt install openhab2=2.4.0~20180908115850-1
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be DOWNGRADED:
openhab2
0 to upgrade, 0 to newly install, 1 to downgrade, 0 to remove and 0 not to upgrade.
Are the versions in the right order in the repo?
openhab@openhab:~$ sudo apt-cache madison openhab2
openhab2 | 2.4.0~20180908115850-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main amd64 Packages
openhab2 | 2.4.0~20180908115850-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main i386 Packages
openhab2 | 2.4.0~20180908034039-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main amd64 Packages
openhab2 | 2.4.0~20180908034039-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main i386 Packages
openhab2 | 2.4.0~20180908031533-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main amd64 Packages
openhab2 | 2.4.0~20180908031533-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main i386 Packages
openhab2 | 2.4.0~20180907034303-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main amd64 Packages
openhab2 | 2.4.0~20180907034303-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main i386 Packages
openhab2 | 2.4.0~20180906111426-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main amd64 Packages
openhab2 | 2.4.0~20180906111426-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main i386 Packages
openhab2 | 2.4.0~20180904183712-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main amd64 Packages
openhab2 | 2.4.0~20180904183712-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main i386 Packages
openhab2 | 2.4.0~20180904031505-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main amd64 Packages
openhab2 | 2.4.0~20180904031505-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main i386 Packages
openhab2 | 2.4.0~20180902221416-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main amd64 Packages
openhab2 | 2.4.0~20180902221416-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main i386 Packages
openhab2 | 2.4.0~20180902031432-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main amd64 Packages
openhab2 | 2.4.0~20180902031432-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main i386 Packages
openhab2 | 2.4.0~20180831210140-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main amd64 Packages
openhab2 | 2.4.0~20180831210140-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main i386 Packages
openhab2 | 2.3.0-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main amd64 Packages
openhab2 | 2.3.0-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main i386 Packages
openhab2 | 2.3.0~RC2-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main amd64 Packages
openhab2 | 2.3.0~RC2-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main i386 Packages
openhab2 | 2.3.0~RC1-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main amd64 Packages
openhab2 | 2.3.0~RC1-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main i386 Packages
openhab2 | 2.2.0-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main amd64 Packages
openhab2 | 2.2.0-1 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main i386 Packages
openhab2 | 2.1.0-2 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main amd64 Packages
openhab2 | 2.1.0-2 | https://openhab.jfrog.io/openhab/openhab-linuxpkg unstable/main i386 Packages
Thanks