Cursor iOS app messaging desktop agents, Claude Haiku 5.5 costs tenth of Haiku 4.5, Slack bots handle release checks like users

Your daily Cursor briefing. What shipped, what changed, and what it means for the things you are building.

Edition date: 2026-10-09

Chapters:
00:00 Cursor's iOS app can now read and message agents running on your own computer
01:03 Claude Haiku 5.5 arrives in Cursor at about a tenth of Haiku 4.5's cost on short requests
01:55 One team hands release checks to Slack bots (automated chat helpers) and 10+ AI agents that use the build like real users
02:49 A permissions.json file in a project's .cursor folder breaks Cursor's agent, one user reports
03:37 Cursor user reports $22.95 in extra charges despite a $5 spending limit

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