v4.0.0

Changelog

Features

• 3e2b76d feat: contrib/smartmeter.service with a sandbox; build with -trimpath
• 90abb05 feat: exit code 78 for a config that does not load or validate

Documentation

• 6de0c3b docu(): comments no longer name the production host
• 81c5d46 docu: commit subjects follow Conventional Commits, type(scope): description
• 5bb732d docu: tokens, root-owned install, contrib unit, TLS 1.3, upgrading to 4.0.0

Maintenance

• b1a216f chore: golib v1.5.1
• bcdf5ac refactor: golib xlog instead of a logger of its own

Other

• 8cded7c feat!: /ready removed
• 5471642 feat!: TLS 1.3 only
• a801e33 feat!: bearer tokens from a token file, managed with "smartmeter token"

Which file do I need?

Archive	Raspberry Pi model
linux_arm64	Pi 3 / 4 / 5 / Zero 2 W with a 64-bit OS
linux_armv7	Pi 2 / 3 / 4 / 5 / Zero 2 W with a 32-bit OS
linux_armv6	Pi 1 and Zero (1st gen)