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iMessageUI
COMPONENT LAB v0.1

The details make the difference.

Replay, inspect, and compare every interaction.

Measured against iOS 26 and macOS 26
iMessage
Contact: Hey! How’s the new project going?
You: It’s starting to feel pretty familiar.
You: Every detail, down to the last bubble.
Contact: It’s all in the little details. ✨
Contact: Tuesday morning at 9?
You: Sounds good 👍
Delivered
9:41
0 / 0 ms
CheckpointsDouble-click or hold a bubble to react.

Interaction log

Interact with the preview to record state changes.

Two kinds of evidence

Regression captures catch changes to our implementation. Native captures in references/ measure fidelity to Apple: iOS 26.0 (simulator, iPhone 17 Pro) and macOS 26.5 Messages. Every size and timing comes from references/SPEC.md.