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[explainer] Add note about usage of deprecatedRenderURLReplacements. #1404

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[explainer] Add note about usage of deprecatedRenderURLReplacements. #1404

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HabibiYou committed Feb 28, 2025
commit f115094c536aa3cc270c6ca7d4e49e3fbaff4927
93 changes: 46 additions & 47 deletions FLEDGE.md
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@@ -8,56 +8,55 @@ We hold regular meetings under the auspices of the WICG to go through the detail

See [the Protected Audience API specification](https://wicg.github.io/turtledove/).

- [Protected Audience API (formerly known as FLEDGE)](#protected-audience-api-formerly-known-as-fledge)
- [Summary](#summary)
- [Background](#background)
- [Design Elements](#design-elements)
- [1. Browsers Record Interest Groups](#1-browsers-record-interest-groups)
- [1.1 Joining Interest Groups](#11-joining-interest-groups)
- [1.2 Interest Group Attributes](#12-interest-group-attributes)
- [1.3 Permission Delegation](#13-permission-delegation)
- [1.4 Buyer Security Considerations](#14-buyer-security-considerations)
- [2. Sellers Run On-Device Auctions](#2-sellers-run-on-device-auctions)
- [2.1 Initiating an On-Device Auction](#21-initiating-an-on-device-auction)
- [2.1.1 Providing Signals Asynchronously](#211-providing-signals-asynchronously)
- [2.1.2 Seller Security Considerations](#212-seller-security-considerations)
- [2.2 Auction Participants](#22-auction-participants)
- [2.3 Scoring Bids](#23-scoring-bids)
- [2.4 Scoring Bids in Component Auctions](#24-scoring-bids-in-component-auctions)
- [2.5 Additional Trusted Signals (directFromSellerSignals)](#25-additional-trusted-signals-directfromsellersignals)
- [Summary](#summary)
- [Background](#background)
- [Design Elements](#design-elements)
- [1. Browsers Record Interest Groups](#1-browsers-record-interest-groups)
- [1.1 Joining Interest Groups](#11-joining-interest-groups)
- [1.2 Interest Group Attributes](#12-interest-group-attributes)
- [1.3 Permission Delegation](#13-permission-delegation)
- [1.4 Buyer Security Considerations](#14-buyer-security-considerations)
- [2. Sellers Run On-Device Auctions](#2-sellers-run-on-device-auctions)
- [2.1 Initiating an On-Device Auction](#21-initiating-an-on-device-auction)
- [2.1.1 Providing Signals Asynchronously](#211-providing-signals-asynchronously)
- [2.1.2 Seller Security Considerations](#212-seller-security-considerations)
- [2.2 Auction Participants](#22-auction-participants)
- [2.3 Scoring Bids](#23-scoring-bids)
- [2.4 Scoring Bids in Component Auctions](#24-scoring-bids-in-component-auctions)
- [2.5 Additional Trusted Signals (directFromSellerSignals)](#25-additional-trusted-signals-directfromsellersignals)
- [2.5.1 Using Response Headers](#251-using-response-headers)
- [3. Buyers Provide Ads and Bidding Functions](#3-buyers-provide-ads-and-bidding-functions)
- [3.1 Fetching Real-Time Data from a Trusted Server](#31-fetching-real-time-data-from-a-trusted-server)
- [3.1.1 Trusted Signals Server with BYOS Model](#311-trusted-signals-server-with-byos-model)
- [3.1.2 Trusted Signals Server in TEE](#312-trusted-signals-server-in-tee)
- [3.1.3 Cross-Origin Trusted Server Signals](#313-cross-origin-trusted-server-signals)
- [3.2 On-Device Bidding](#32-on-device-bidding)
- [3.3 Metadata with the Ad Bid](#33-metadata-with-the-ad-bid)
- [3.4 Ads Composed of Multiple Pieces](#34-ads-composed-of-multiple-pieces)
- [3.4.1 Flexible Component Ad Selection Considering k-anonymity](#341-flexible-component-ad-selection-considering-k-anonymity)
- [3.5 Filtering and Prioritizing Interest Groups](#35-filtering-and-prioritizing-interest-groups)
- [3. Buyers Provide Ads and Bidding Functions](#3-buyers-provide-ads-and-bidding-functions)
- [3.1 Fetching Real-Time Data from a Trusted Server](#31-fetching-real-time-data-from-a-trusted-server)
- [3.1.1 Trusted Signals Server with BYOS Model](#311-trusted-signals-server-with-byos-model)
- [3.1.2 Trusted Signals Server in TEE](#312-trusted-signals-server-in-tee)
- [3.1.3 Cross-Origin Trusted Server Signals](#313-cross-origin-trusted-server-signals)
- [3.2 On-Device Bidding](#32-on-device-bidding)
- [3.3 Metadata with the Ad Bid](#33-metadata-with-the-ad-bid)
- [3.4 Ads Composed of Multiple Pieces](#34-ads-composed-of-multiple-pieces)
- [3.4.1 Flexible Component Ad Selection Considering k-Anonymity](#341-flexible-component-ad-selection-considering-k-anonymity)
- [3.5 Filtering and Prioritizing Interest Groups](#35-filtering-and-prioritizing-interest-groups)
- [3.6 Currency Checking](#36-currency-checking)
- [4. Browsers Render the Winning Ad](#4-browsers-render-the-winning-ad)
- [5. Event-Level Reporting (for now)](#5-event-level-reporting-for-now)
- [5.1 Seller Reporting on Render](#51-seller-reporting-on-render)
- [5.2 Buyer Reporting on Render and Ad Events](#52-buyer-reporting-on-render-and-ad-events)
- [5.2.1 Noised and Bucketed Signals](#521-noised-and-bucketed-signals)
- [5.3 Currencies in Reporting](#53-currencies-in-reporting)
- [5.4 Reporting IDs](#54-reporting-ids)
- [5.5 Losing Bidder Reporting](#55-losing-bidder-reporting)
- [6. Additional Bids](#6-additional-bids)
- [6.1 Auction and Bid Nonces](#61-auction-and-bid-nonces)
- [6.2 Negative Targeting](#62-negative-targeting)
- [6.2.1 Negative Interest Groups](#621-negative-interest-groups)
- [6.2.2 How Additional Bids Specify their Negative Interest Groups](#622-how-additional-bids-specify-their-negative-interest-groups)
- [6.2.3 Additional Bid Keys](#623-additional-bid-keys)
- [6.3 HTTP Response Headers](#63-http-response-headers)
- [6.4 Reporting Additional Bid Wins](#64-reporting-additional-bid-wins)
- [7. Debugging Extensions](#7-debugging-extensions)
- [7.1 forDebuggingOnly (fDO) APIs](#71-fordebuggingonly-fdo-apis)
- [7.1.1 Post Auction Signals](#711-post-auction-signals)
- [4. Browsers Render the Winning Ad](#4-browsers-render-the-winning-ad)
- [5. Event-Level Reporting (for now)](#5-event-level-reporting-for-now)
- [5.1 Seller Reporting on Render](#51-seller-reporting-on-render)
- [5.2 Buyer Reporting on Render and Ad Events](#52-buyer-reporting-on-render-and-ad-events)
- [5.2.1 Noised and Bucketed Signals](#521-noised-and-bucketed-signals)
- [5.3 Currencies in Reporting](#53-currencies-in-reporting)
- [5.4 Reporting IDs](#54-reporting-ids)
- [5.5 Losing Bidder Reporting](#55-losing-bidder-reporting)
- [6. Additional Bids](#6-additional-bids)
- [6.1 Auction and Bid Nonces](#61-auction-and-bid-nonces)
- [6.2 Negative Targeting](#62-negative-targeting)
- [6.2.1 Negative Interest Groups](#621-negative-interest-groups)
- [6.2.2 How Additional Bids Specify their Negative Interest Groups](#622-how-additional-bids-specify-their-negative-interest-groups)
- [6.2.3 Additional Bid Keys](#623-additional-bid-keys)
- [6.3 HTTP Response Headers](#63-http-response-headers)
- [6.4 Reporting Additional Bid Wins](#64-reporting-additional-bid-wins)
- [7. Debugging Extensions](#7-debugging-extensions)
- [7.1 forDebuggingOnly (fDO) APIs](#71-fordebuggingonly-fdo-apis)
- [7.1.1 Post Auction Signals](#711-post-auction-signals)
- [7.1.2 Downsampling](#712-downsampling)
- [7.2 navigator.deprecatedReplaceInURN()](#72-navigatordeprecatedreplaceinurn)
- [7.2 deprecatedReplaceInURN()](#72-navigatordeprecatedreplaceinurn)


## Summary