What was in Harlow's Favorite Update?

The July 10, 2026 update shipped new class visuals, new items, reworked skins, reworked Security and Secret Agent classes, reworked 2D icons, a reduced flashing lights mode, a new Dr. Harlow model with new interactions, a new lore character (Liz), and a new hidden interaction.

Animal Hospital Updates & Patch Notes

Q: When is the next Animal Hospital update?

No official date has been announced. Recent updates landed roughly every one to two weeks (June 18, June 26, July 10), so the next one is likely within one to two weeks — watch the official Roblox game page and event listings.

Q: Did the July 10 update add a new character?

Yes. The 'new lore character' from the event listing turned out to be Liz, a caracal-like NPC and the game's first interactive female character. She appears around Shift 10 and hands you her UV camera.

What actually changed in each Animal Hospital (Anomaly) update — verified against the developer's official event listings and community documentation. We don't publish guessed patch notes: anything not yet confirmed is clearly marked as still being verified.

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Written by Riley Nook · Last updated July 11, 2026

This update: in-game mechanics cross-checked against community wikis and player reports

Current update

🧪 Harlow's Favorite Update

Launched July 10, 2026, 12:00 PM ET as a 48-hour event · about 4.4 million players registered before launch · concurrent players peaked above 1.2 million around the update

Officially listed changes (from the developer's event listing)

New class visuals and new items
Reworked Security and Secret Agent classes
Reworked existing skins and in-game 2D icons
Reduced flashing lights mode — accessibility option
New Dr. Harlow model and new Dr. Harlow interactions
A new lore character and a new [REDACTED] interaction — hidden until launch

What the hidden entries turned out to be

New lore character → Liz

A caracal-like NPC and the game's first interactive female character. She appears around Shift 10 with a UV camera and a grudge against Animal Corp. Full Liz guide →

[REDACTED] → new Stalker interaction

Community-reported: the Stalker now has a small chance to check in disguised as a patient, and photographing it makes it leave. Exact mechanics still being confirmed.

⏳ Still being verified

The exact Security and Secret Agent rework numbers (early videos suggest Secret Agent was buffed), new item names and prices, the content of the new Dr. Harlow interactions, Liz's quest rewards, and whether a new anomaly shipped. Note that every class tier list published before July 10 predates the rework — including ours — so treat Security and Secret Agent rankings as provisional until we re-verify. This page is updated as the community documents each change.

Patch timeline

Class Update Pt. 2 + More

Late June 2026 (rolled out ~June 26–29)

Cosmetic class skins — new Skins tab in the Class Shop
Controller support
Additional check-in anomaly tells

Class Update & QoL Pt. 1

Mid June 2026 (rolled out ~June 18–22)

Three upgrade levels for every class
Starting cash shown on shop cards
In-game class models and a reworked perks UI

Release

May 10, 2026

Animal Hospital (Anomaly) launched by the Animal Anomaly group — 57K concurrent players in the first month, then an explosion to the #1 most-played game on Roblox by early July with over 700 million total visits.

When is the next update?

No official date has been announced. The recent cadence has been roughly one update every one to two weeks (June 18 → June 26 → July 10), so the next one is likely within that window. The developer announces updates through the official Roblox game page and event listings — we check daily and update this page the moment an event goes live.

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Keep reading

🐈 Who is Liz?🩺 Classes 👁️ All Anomalies

Update details verified against the official event listing and community documentation. Last checked: July 11, 2026.