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devtools-dev

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The Chrome DevTools are the web developer-facing tools built into Chromium.

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Mar 14

Please add an option to disable the "live metrics" landing page in perf tab

heh, what's __chromium_devtools_kill_live_metrics? On Saturday, March 14, 2026 at 7:24:02 PM UTC-

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Please add an option to disable the "live metrics" landing page in perf tab

heh, what's __chromium_devtools_kill_live_metrics? On Saturday, March 14, 2026 at 7:24:02 PM UTC-

Mar 14

Natallia Harshunova

Feb 4

[devtools-dev] Proposal: Implementing Unpacked Extensions Listing via CDP

Hi team, Here is my first ever design proposal for "Implementing Unpacked Extensions listing via

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[devtools-dev] Proposal: Implementing Unpacked Extensions Listing via CDP

Hi team, Here is my first ever design proposal for "Implementing Unpacked Extensions listing via

Feb 4

Yonatan Sapojnik

Jan 19

CDP Font.fontsUpdated event is not consistently emitted when fonts are preloaded

Hi everyone, I am monitoring font loading via the CDP, specifically the Font.fontsUpdated event.

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CDP Font.fontsUpdated event is not consistently emitted when fonts are preloaded

Hi everyone, I am monitoring font loading via the CDP, specifically the Font.fontsUpdated event.

Jan 19

Aditya Chaudhary, … Alex Rudenko6

Jan 12

Intro: Aditya Chaudhary / devtools-frontend

Thanks for the links. I've decided to pick up an issue that feels like a good start. I'll

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Intro: Aditya Chaudhary / devtools-frontend

Thanks for the links. I've decided to pick up an issue that feels like a good start. I'll

Jan 12

Nicholas Roscino2

11/12/25

Proposal: Enabling Extension Action Automation via CDP

Hi team, Here's also the full link access: https://docs.google.com/document/d/1sKZGYTPQ77h7ydn-

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Proposal: Enabling Extension Action Automation via CDP

Hi team, Here's also the full link access: https://docs.google.com/document/d/1sKZGYTPQ77h7ydn-

11/12/25

Patrick Meenan, … Mathias Bynens4

9/17/25

Devtools license presubmit check

Closing the loop here: this thread resulted in several improvements, each of which would have avoided

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Devtools license presubmit check

Closing the loop here: this thread resulted in several improvements, each of which would have avoided

9/17/25

9/16/25

Plus button tab icon and minimized drawer

Hi devtools-devs, I would like to propose some UI changes to the DevTools window, including plus

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Plus button tab icon and minimized drawer

Hi devtools-devs, I would like to propose some UI changes to the DevTools window, including plus

9/16/25

Pat Myron, Benedikt Meurer2

9/11/25

Chrome devtools device list?

Hey Pat, You can find the list of default devices in EmulatedDevices.ts. HTH, Benedikt On Thu, Sep 11

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Chrome devtools device list?

Hey Pat, You can find the list of default devices in EmulatedDevices.ts. HTH, Benedikt On Thu, Sep 11

9/11/25

Patrick Meenan, Benedikt Meurer2

9/10/25

Contributing devtools changes as part of Chrome CL

Hey Patrick, In your case, where you're working on combined frontend and backend changes, it

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Contributing devtools changes as part of Chrome CL

Hey Patrick, In your case, where you're working on combined frontend and backend changes, it

9/10/25

7/18/25

Design doc: Consistent stack traces in DevTools

Hi all, I wrote up a design doc on how we could re-architect stack traces in DevTools so we: apply

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Design doc: Consistent stack traces in DevTools

Hi all, I wrote up a design doc on how we could re-architect stack traces in DevTools so we: apply

7/18/25

6/26/25

PSA: Standalone devtools-frontend builds will bundle the build output by default

Hi folks, We made a small change to the DevTools build system. We'll now bundle the DevTools

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PSA: Standalone devtools-frontend builds will bundle the build output by default

Hi folks, We made a small change to the DevTools build system. We'll now bundle the DevTools

6/26/25

Leon Sorokin, Jack Franklin3

6/24/25

Please bring back the min + max memory values in the Performance Profiler

Thanks Jack, that's great to hear, and thanks for the super fast fix! Glad I found the right

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Please bring back the min + max memory values in the Performance Profiler

Thanks Jack, that's great to hear, and thanks for the super fast fix! Glad I found the right

6/24/25

Benedikt Meurer

5/20/25

Migration to <style> complete

Hey folks, With a bit of delay we finished the migration of our CSS loading approach to always inject

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Migration to <style> complete

Hey folks, With a bit of delay we finished the migration of our CSS loading approach to always inject

5/20/25

Kim-Anh Tran (via Google Docs)

5/20/25

Document shared with you: "DevTools UI Kit Planning"

Kim-Anh Tran shared a document Kim-Anh Tran (kim...@chromium.org) has invited you to edit the

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Document shared with you: "DevTools UI Kit Planning"

Kim-Anh Tran shared a document Kim-Anh Tran (kim...@chromium.org) has invited you to edit the

5/20/25

Jhon Paul Jaspe, Jack Franklin2

5/13/25

Given a 'trace.json' from Performance Tab, How can I get Insights and Summary in JSON?

Hey Jhon, Thanks for reaching out and I'm glad you find the features helpful! As of now there is

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Given a 'trace.json' from Performance Tab, How can I get Insights and Summary in JSON?

Hey Jhon, Thanks for reaching out and I'm glad you find the features helpful! As of now there is

5/13/25

Yanling Wang, … Rob Paveza4

5/6/25

Intent to prototype: adding accessibility issues and provide squiggly lines support

Hello devtools-dev, We've updated the explainer based on our discussion with the Google team.

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Intent to prototype: adding accessibility issues and provide squiggly lines support

Hello devtools-dev, We've updated the explainer based on our discussion with the Google team.

5/6/25

3/31/25

Explainer: Side-by-side layout for DevTools

Hello devtools-dev, Per our previous discussion around flexible layout, please review this explainer

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Explainer: Side-by-side layout for DevTools

Hello devtools-dev, Per our previous discussion around flexible layout, please review this explainer

3/31/25

Simon Zünd, … Benedikt Meurer3

3/26/25

PSA: @chrome-devtools/source-map-scopes-codec is now available

Great work, thanks a lot, Simon! cheers, Benedikt On Wed, Mar 26, 2025 at 8:24 AM 'Mathias Bynens

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PSA: @chrome-devtools/source-map-scopes-codec is now available

Great work, thanks a lot, Simon! cheers, Benedikt On Wed, Mar 26, 2025 at 8:24 AM 'Mathias Bynens

3/26/25

2/21/25

Adding Direct Sockets to Devtools Networking

Hello, I created a draft document of adding Direct Sockets to Devtools networking tab. Please, take a

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Adding Direct Sockets to Devtools Networking

Hello, I created a draft document of adding Direct Sockets to Devtools networking tab. Please, take a

2/21/25

Changhao Han (via Google Docs)

2/20/25

Document shared with you: "Devtools for Direct Sockets"

Changhao Han shared a document Changhao Han (chang...@google.com) has invited you to comment on

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Document shared with you: "Devtools for Direct Sockets"

Changhao Han shared a document Changhao Han (chang...@google.com) has invited you to comment on

2/20/25

Max Ihlenfeldt, … Leah Tu4

2/19/25

Feedback requested on emulating env(safe-area-*) in device mode

I've started an explainer with some initial ideas that we have for the front-end and would

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Feedback requested on emulating env(safe-area-*) in device mode

I've started an explainer with some initial ideas that we have for the front-end and would

2/19/25

12/11/24

Design doc: Running DevTools end-to-end tests with host bindings and the real DevToolsWindow

Hi folks, I wrote a small design doc (https://docs.google.com/document/d/

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Design doc: Running DevTools end-to-end tests with host bindings and the real DevToolsWindow

Hi folks, I wrote a small design doc (https://docs.google.com/document/d/

12/11/24

11/19/24

Request for comment: "Baseline" Issues and Adorners

Hello devtools-dev, Last one for the week. :) Building alongside DOM Semantic Error Adorners and

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Request for comment: "Baseline" Issues and Adorners

Hello devtools-dev, Last one for the week. :) Building alongside DOM Semantic Error Adorners and

11/19/24

11/19/24

Request for Comment: "Get to Issues Clean"

Hello devtools-dev, In line with the email I sent yesterday about Contextual DOM Hints, I've

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Request for Comment: "Get to Issues Clean"

Hello devtools-dev, In line with the email I sent yesterday about Contextual DOM Hints, I've

11/19/24

11/18/24

Intent to prototype: Contextual DOM Hints in DevTools: Semantic Error Adorners

Hello devtools-dev, The Edge team has been approached by a couple of teams to bring usage error

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Intent to prototype: Contextual DOM Hints in DevTools: Semantic Error Adorners

Hello devtools-dev, The Edge team has been approached by a couple of teams to bring usage error

11/18/24

Adithya Srinivasan

11/8/24

Supporting MPArch GuestViews

Hey devtools-dev! We're currently working on migrating GuestViews to use MPArch instead of inner

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Supporting MPArch GuestViews

Hey devtools-dev! We're currently working on migrating GuestViews to use MPArch instead of inner

11/8/24

Janith Udayanga

11/5/24

Network request incorrect timings

Hi, We encountered an issue while testing the performance of our Angular application via chromium

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Network request incorrect timings

Hi, We encountered an issue while testing the performance of our Angular application via chromium

11/5/24

Jayson Adams, … Alex Rudenko4

10/4/24

Feedback requested on proceeding with a change to the CORS URL loader

Great - thank you! On Wed, Oct 2, 2024 at 5:02 AM Alex Rudenko <alexr...@google.com> wrote:

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Feedback requested on proceeding with a change to the CORS URL loader

Great - thank you! On Wed, Oct 2, 2024 at 5:02 AM Alex Rudenko <alexr...@google.com> wrote:

10/4/24

9/5/24

[PSA] changes to the e2e and interaction test interfaces

Hi folks, With https://crrev.com/c/5804334, we refactored our helpers in e2e and interaction tests to

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[PSA] changes to the e2e and interaction test interfaces

Hi folks, With https://crrev.com/c/5804334, we refactored our helpers in e2e and interaction tests to

9/5/24

Benedikt Meurer

8/19/24

[PSA] npm run lint

Hey folks, With https://crrev.com/c/5796886 I'm introducing a new `npm run lint` script, which

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[PSA] npm run lint

Hey folks, With https://crrev.com/c/5796886 I'm introducing a new `npm run lint` script, which

8/19/24

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