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[Proposal]: Generic payment render artifact Action for in-session out-of-band payments

Status: Open.

#778 In Universal-Commerce-Protocol/ucp;

· gforgab opened on Aug 27, 2026

[Proposal]: Lifecycle semantics for persistence-sensitive extension state

Status: Open.

#771 In Universal-Commerce-Protocol/ucp;

· QvxSphere opened on Aug 25, 2026

[Proposal]: Lock buyer identity fields on complete_checkout, even when buyer_consent reopens buyer

area:payments

Status: Open.

#769 In Universal-Commerce-Protocol/ucp;

· privilegemendes opened on Aug 25, 2026

[Proposal]: Return list_price in Cart, Checkout, and Order item responses

area:payments

Status: Open.

#751 In Universal-Commerce-Protocol/ucp;

· qinyingran-TT opened on Aug 19, 2026

[Proposal]: Carry selected variant options in lower-funnel item snapshots

Status: Open.

#750 In Universal-Commerce-Protocol/ucp;

· ShuoRen-TT opened on Aug 19, 2026

[Proposal]: Optional payer identity on the payment instrument (taxpayer document) — required by Pix/boleto and Latin American tax rules

Status: Open.

#742 In Universal-Commerce-Protocol/ucp;

· williammacarini opened on Aug 18, 2026

[Proposal]: Cart terminal status - platform cannot tell an ordered cart from an abandoned one

Status: Open.

#739 In Universal-Commerce-Protocol/ucp;

· prateek-ct opened on Aug 18, 2026

[Proposal]: State-bound Offer extension for merchant-proposed Cart changes

Status: Open.

#738 In Universal-Commerce-Protocol/ucp;

· arjun2075 opened on Aug 15, 2026

[Bug]: Inconsistent JSON schema formatting and lack of automated JSON linting/formatting

bugSomething isn't workingSomething isn't working

Status: Open.

#732 In Universal-Commerce-Protocol/ucp;

· gsmith85 opened on Aug 15, 2026

[Proposal]: Standardize consumer-facing fulfillment event types

Status: Open.

#729 In Universal-Commerce-Protocol/ucp;

· horaceewang-TT opened on Aug 14, 2026

[Feat]: Standardize consumer-facing fulfillment event types

Status: Open.

#728 In Universal-Commerce-Protocol/ucp;

· horaceewang-TT opened on Aug 14, 2026

[Feat]: Support platform-funded discount issuance and reimbursement to the Business

Status: Open.

#727 In Universal-Commerce-Protocol/ucp;

· WenshuangQuan-TT opened on Aug 14, 2026