[FOLLOW UP ON ITEM] New canisters will only be accessible through the icp0.io domain. Existing canisters will be accessible both through ic0.app and icp0.io

Developers
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The only two pitfalls that I’m aware of are:

  • asset canister CSP: Your asset canister(s) may have a content security policy set for it to only accept assets from the old domain. Check in your .ic-assets.json files (if present)
  • Internet Identity login produces different IDs when logging in through a different domain. This is a limitation/feature of how WebAuth works
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