Bound LocalDiscovery's lock acquisition and stop its busy-spin — Closes 

#316 (#328)

Fix LocalDiscovery's registry capacity calculation — Closes #299 (#322)

Decouple worker shutdown from discovery health so a failed publish ca…

…nnot silently leak a worker — Closes #298 (#317)

Live worker processes wedge interpreter exit via the multiprocessing …

…atexit join — Closes #294 (#305)

Security/version compatibility filter is not applied uniformly across…

… discovery paths — Closes #293 (#304)

Discovery sentinel drops worker-updated events carrying changed metad…

…ata — Closes #292 (#303)

Prevent LocalDiscovery teardown from crashing on shared-memory double…

…-unlink — Closes #291 (#302)

Fix @noreentry breaking contextlib ExitStack support for decorated co…

…ntext managers — Closes #306 (#307)

Fix spurious worker eviction when concurrent fan-out saturates the gR…

…PC stream ceiling — Closes #290 (#295)

Refactor load balancer protocol to delegate worker selection instead …

…of dispatching tasks — Closes #155 (#156)