What's wrong with this entry?
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The Task tool's run_in_background description was simplified from "The tool result will include an output_file path — use Read tool or Bash tail to check on output" to "You will be notified when it completes."
Evidence
Updated background description (search for "You will be notified when it completes")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
Related
Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.