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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

All of v2.1.248 Home All releases olderv2.1.247 v2.1.250newer
Claude Code v2.1.248

Plugin sync gets per-account buckets and defers deletions while plugins are loaded

You'll notice
Useful3 Signal3
Plugins

Plugin syncing gets per-account storage and won't delete a plugin loaded in your session.

What

Plugin syncing now uses the same per-account storage directory and quarantine behaviour as skills, and it no longer deletes plugin directories while the synced plugin set is loaded in the current session. Those removals are recorded and counted, then applied later, so a plugin cannot be deleted out from under a running session.

Details
  • If no storage bucket resolves, the round returns early; if the bucket directory exists but is not marked for that account, it is moved to a trash root first.
  • Deferral is driven by session state (whether the synced plugin set is currently open), not by a feature flag, and is cleared when that set closes. A log line carries the deferred-removal count.
  • Downloads can now carry a version number that overrides the recorded plugin entry.
Evidence

plugins_sync_removal_deferred_loaded

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.248 →