How often is this Muse changelog updated?

Whenever something verifiable changes — a model release, a new country, official pricing, a security disclosure — with the date and an official or attributed source on every entry. Rumors and unconfirmed leaks don't get entries; they get watched until they're real.

What was the biggest recent Muse update?

The agent's own launch on September 8, 2026 in the US — the first time an AI agent shipped for general consumers with its own secure VM, a guardrail agent (Sentinel) and one-tap approvals across email, payments and shopping.

Where do I get official Muse news?

Meta's Newsroom announcement and Meta's research blog (research.meta.ai) are the primary sources; the security page (security.muse.ai) covers vulnerability disclosures. This page exists because those sources don't give you one merged, dated timeline.

Muse Updates: Every Meta Muse Change, Tracked

Muse changes fast, and Meta scatters its announcements across the Newsroom, research blogs, developer docs and security pages. This is the merged, dated timeline — every entry cites its source, and anything unconfirmed stays out until it's real. Bookmark this page or follow the RSS feed; it's the freshest page on this site.

The timeline

Date	Update	What changed	Who is affected	Source
2026-09-08	Muse launches in the US	Personal AI agent rolls out on iOS, Android, muse.ai and WhatsApp: Secure VM, Sentinel guardrail, approvals, audit trail, Link by Stripe payments; "coming soon": Confidential VM, Shop Pay, 1Password, AI glasses	US users	Meta Newsroom
2026-09-08	Security documentation published	security.muse.ai details Sentinel as sole egress authority, sanitized training trajectories, bug bounty up to $300,000 (incl. $130,000 prompt-injection)	Security researchers, privacy-conscious users	security.muse.ai via press
2026-09-12	iOS app v7.0	Third release in five days (v4.5 → v4.6 → v7.0); release notes say only "overall app improvements and bug fixes" — Meta published no specifics. Worth updating if you hit launch-week login or rendering bugs	iOS users	App Store
2026-09-12	Official FAQ confirms the pricing model	ai.meta.com/muse FAQ: "Muse is available for free with a usage limit… you can upgrade to a paid subscription, or wait until your free usage limit refreshes." Free tier + refresh + paid subs now officially confirmed; numbers still unpublished	All users	Muse official page
2026-09-11	First hands-on privacy findings + Meta response (The Verge)	Muse inferred and displayed interest profiles from Instagram API data; the Feed used the tester's Amazon shipping address. Meta confirmed interest inference and pointed to disconnecting Instagram in Accounts Center	Privacy-conscious users	The Verge
2026-09-10	First traction data	No. 2 US App Store (from No. 4), 83,000+ US iOS downloads (Sensor Tower); Android ranked No. 338 in Play Productivity. TechCrunch names text-message agent "Instinct" ($350M raised at $2.5B) as Muse's main rival	Industry watchers	TechCrunch
2026-09-09	Travel booking architecture revealed	Flights book through a Duffel integration covering 500+ airlines; hotels and other travel are shopped on the open web; Meta pays its flight supplier per search past a threshold	Travel users	Skift
2026-09-08–09	Pricing reported, not yet official	Press (TechCrunch/CNBC, quoting Meta) report Power $20/mo and Maximum $100/mo tiers plus a required payment card and usage meter; Meta has published no plan pages	Prospective subscribers	TechCrunch
2026-09-02	Muse Spark 1.3 released	Current model version powering the agent at launch	All Muse users	Meta Research
2026 (earlier)	Muse Spark 1.1 on Meta Model API	Multimodal reasoning model for developers; Meta Model API at developer.meta.com; models also listed on OpenRouter	Developers	Meta AI Blog
2026-07-10	Muse Image pulled	Meta removed the separate Instagram AI image feature two days after launch, saying it "missed the mark" — unrelated to the Muse agent, but a recurring brand-confusion source	Instagram users	TechCrunch
2026-04-08	Muse Spark introduced	Meta Superintelligence Labs' first model family, including Contemplating mode (parallel multi-agent reasoning)	Meta AI users, developers	Meta AI Blog

What we're watching next

Confidential VM shipping — the announced end-state where even Meta can't read your VM data (currently policy-based, per Wired). This would be the single biggest privacy upgrade on this list. See what's confirmed and what's open.
Official pricing pages — which would replace press-reported numbers across our pricing and limits pages.
New countries — each one updates the availability tracker the same day.
WhatsApp setup documentation — Meta hasn't published official steps yet; see the current state in our WhatsApp guide.
API developments — any move from models-only access toward agent-level APIs; see Muse AI API.

How this page works

Newest entries go on top with their date; "who is affected" tells you whether it's a user-facing, developer-facing or security change. When an entry is superseded (a price confirmed, a country launched), the old entry stays for the record and the affected guide pages get updated the same day. For the vocabulary these updates introduce, see our new-terms glossary.

Muse Updates: Every Meta Muse Change, Tracked

The timeline

What we're watching next

How this page works

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