You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
SessionsArea: what it touches
ImprovementsKind: in v2.1.238,
ImprovementsSection of the release
What
Background sessions kept warm in a pool are now marked as spare and filtered out of both the session list and lookup by session id, so an unclaimed prewarmed session is never offered to you as something to resume or attach to.
Details
Session records carry a spare boolean; both listing paths exclude entries where it is set.
Evidence
(i) => i.sock && i.sock !== e && !i.spare,
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
