Knot Resolver 5.0.0 released

Monday, January 27, 2020

Incompatible changes

see upgrading guide: https://knot-resolver.readthedocs.io/en/stable/upgrading.html
systemd sockets are no longer supported (#485)
net.listen() throws an error if it fails to bind; use freebind option if needed
control socket location has changed (!922)
-f/--forks is deprecated (#529, !919)

logging: control-socket commands don't log unless --verbose (#528)
use SO_REUSEPORT_LB if available (FreeBSD 12.0+)
lua: remove dependency on lua-socket and lua-sec, used lua-http and cqueues (#512, #521, !894)
lua: remove dependency on lua-filesystem (#520, !912)
net.listen(): allow binding to non-local address with freebind option (!898)
cache: pre-allocate the file to avoid SIGBUS later (not macOS; !917, #525)
lua: be stricter around nonsense returned from modules (!901)
user documentation was reorganized and extended (!900, !867)
multiple config files can be used with --config/-c option (!909)
lua: stop trying to tweak lua's GC (!201)
systemd: add SYSTEMD_INSTANCE env variable to identify different instances (!906)