Manifest V3
E565061
Manifest V3 is the latest version of Chrome’s browser extension platform specification, introducing a new permissions, security, and background execution model for WebExtensions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Manifest V3 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6034335 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Manifest V3 Context triple: [WebExtensions API, relatedTo, Manifest V3]
-
A.
WebExtensions API
The WebExtensions API is a cross-browser extension framework that lets developers create add-ons using standardized web technologies like JavaScript, HTML, and CSS.
-
B.
Ungoogled Chromium
Ungoogled Chromium is a privacy-focused, de-Googled variant of the Chromium web browser that removes Google integration and tracking features while remaining compatible with Chromium extensions.
-
C.
Vivaldi web browser
Vivaldi web browser is a highly customizable, privacy-focused web browser built on Chromium, known for its advanced user interface controls and productivity features.
-
D.
Chrome Web Platform features
Chrome Web Platform features are the set of modern web capabilities and APIs integrated into the Chrome browser to enable powerful, performant, and secure web applications.
-
E.
Honey browser extension
Honey browser extension is a popular online shopping tool that automatically finds and applies coupon codes and discounts at checkout to help users save money.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Manifest V3 Target entity description: Manifest V3 is the latest version of Chrome’s browser extension platform specification, introducing a new permissions, security, and background execution model for WebExtensions.
-
A.
WebExtensions API
The WebExtensions API is a cross-browser extension framework that lets developers create add-ons using standardized web technologies like JavaScript, HTML, and CSS.
-
B.
Ungoogled Chromium
Ungoogled Chromium is a privacy-focused, de-Googled variant of the Chromium web browser that removes Google integration and tracking features while remaining compatible with Chromium extensions.
-
C.
Vivaldi web browser
Vivaldi web browser is a highly customizable, privacy-focused web browser built on Chromium, known for its advanced user interface controls and productivity features.
-
D.
Chrome Web Platform features
Chrome Web Platform features are the set of modern web capabilities and APIs integrated into the Chrome browser to enable powerful, performant, and secure web applications.
-
E.
Honey browser extension
Honey browser extension is a popular online shopping tool that automatically finds and applies coupon codes and discounts at checkout to help users save money.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
WebExtensions platform specification
ⓘ
browser extension manifest specification ⓘ |
| aimsTo |
improve extension security
ⓘ
improve performance of extensions ⓘ improve user privacy ⓘ |
| announcedBy | Google NERFINISHED ⓘ |
| announcedIn | 2018 ⓘ |
| compatibleWith | WebExtensions API model NERFINISHED ⓘ |
| criticizedFor |
impact on content-blocking extensions
ⓘ
limitations of declarativeNetRequest rules ⓘ |
| defines |
background execution model for extensions
ⓘ
extension manifest format ⓘ permissions model for extensions ⓘ service worker based background scripts ⓘ |
| deprecates |
browserAction API from Manifest V2
ⓘ
pageAction API from Manifest V2 ⓘ |
| documentedAt | https://developer.chrome.com/docs/extensions/mv3/overview/ ⓘ |
| encourages | event-driven extension design ⓘ |
| follows | Manifest V2 NERFINISHED ⓘ |
| hasKeyField |
"action"
ⓘ
"background" with service_worker ⓘ "host_permissions" ⓘ "manifest_version": 3 ⓘ |
| introduces | declarativeNetRequest API NERFINISHED ⓘ |
| limits | long-running background execution ⓘ |
| maintainedBy | Google Chrome team NERFINISHED ⓘ |
| partOf | Chrome Extensions platform NERFINISHED ⓘ |
| replacesFeature |
event pages from Manifest V2
ⓘ
persistent background pages ⓘ |
| requires | host permissions to be declared more explicitly ⓘ |
| restricts | blocking webRequest API for most extensions ⓘ |
| rolloutStartedIn | around 2021 ⓘ |
| specifies |
new rules for content scripts
ⓘ
new rules for extension update behavior ⓘ |
| standardizedIn | Chromium project NERFINISHED ⓘ |
| supports |
action API for unified toolbar button
ⓘ
fine-grained permission requests ⓘ offscreen documents API (in Chrome) ⓘ optional permissions ⓘ |
| usedBy |
Brave browser
NERFINISHED
ⓘ
Chromium-based browsers ⓘ Google Chrome NERFINISHED ⓘ Microsoft Edge NERFINISHED ⓘ Opera ⓘ |
| usedFor |
declaring extension background behavior
ⓘ
declaring extension permissions ⓘ defining Chrome extension capabilities ⓘ |
| uses | service workers for background logic ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Manifest V3 Description of subject: Manifest V3 is the latest version of Chrome’s browser extension platform specification, introducing a new permissions, security, and background execution model for WebExtensions.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.