slack: unknown Notifier type

[damien-murphy]

When I add a slack notifier as per the documentation and run checkup I get the following error

slack: unknown Notifier type

[alxschwarz]

you should build from source I think because of the binaries were not built with latest changes as I see

[emcniece]

Confirmed - Slack notifier works when building from source .

[titpetric]

Closing as resolved, issue is not present if building from source. Releases have been removed, I'm not sure we'll have a pinned release in the future - building from source is suggested.