Sub Apps in Isolated Web Apps
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Vlad Krot
May 12, 2026, 3:43:26 PMMay 12
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Hello Spec Mentors,
I am working on Sub apps for IWA's.
This is API to create Sub app, which is basically the same Web App (has access to all the same content/permissions,etc), but has separate icon in the launcher and os integrations (can open files .doc for example)
await window.subApps.add(["/calculator_app/index.html"])
Where "/calculator_app/index.html" is path to bundled html page that links separate web manifest with icon names and os integrations.
The feature started long time ago, it was called MultiApps back then, https://github.com/ivansandrk/multi-apps/blob/main/explainer.md
But now I am redoing it from scratch and would love to have a spec mentor to review WebApi surface
I am working on Sub apps for IWA's.
This is API to create Sub app, which is basically the same Web App (has access to all the same content/permissions,etc), but has separate icon in the launcher and os integrations (can open files .doc for example)
await window.subApps.add(["/calculator_app/index.html"])
Where "/calculator_app/index.html" is path to bundled html page that links separate web manifest with icon names and os integrations.
The feature started long time ago, it was called MultiApps back then, https://github.com/ivansandrk/multi-apps/blob/main/explainer.md
But now I am redoing it from scratch and would love to have a spec mentor to review WebApi surface
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Vlad Krot
May 19, 2026, 9:30:22 AMMay 19
to spec-mentors, Vlad Krot
ping. The chrome entry is here https://chromestatus.com/feature/6260680824061952
Dominic Farolino
May 20, 2026, 10:43:43 AMMay 20
to spec-mentors, vk...@google.com
(Oops, I didn't send the last message to the full group). I'm happy to take this one on. Let's get in touch offline, vkrot@!
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