You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
Context ManagementArea: what it touches
ImprovementsKind: in v2.1.323,
ImprovementsSection of the release
What
Tokens are the small chunks of text a model reads, and Claude Code can report how many your conversation is using. That report can now carry the line "This token count is an estimate." when the total was estimated and not counted exactly.
Why
You can tell when the numbers in a context report such as /context are approximate.
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agreeFixed running /compact again, or after a command such as /context, summarizing away a message that Claude had not answered yet
