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Temiloluwa, Marja Hölttä2

Oct 1

[proposal] Is Await Dictionary available for implementation in V8?

cc olivf@ On Thu, Oct 1, 2026 at 7:30 AM Temiloluwa <ytemi...@gmail.com> wrote: Hi all, I am

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[proposal] Is Await Dictionary available for implementation in V8?

cc olivf@ On Thu, Oct 1, 2026 at 7:30 AM Temiloluwa <ytemi...@gmail.com> wrote: Hi all, I am

Oct 1

Sep 29

M156 branch is here!

Hi Everyone, We have branched for Chrome M156! Please read through this entire email if you plan to

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M156 branch is here!

Hi Everyone, We have branched for Chrome M156! Please read through this entire email if you plan to

Sep 29

Temiloluwa, Jakob Kummerow2

Sep 28

setFromBase64 Test262 failure: fix in V8 or simdutf?

While I haven't looked into this particular issue, as a general rule upstream fixes are

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setFromBase64 Test262 failure: fix in V8 or simdutf?

While I haven't looked into this particular issue, as a general rule upstream fixes are

Sep 28

eliau elkouby (‫אליהו אלקובי‬‎), Jakob Gruber3

Sep 23

Question about fixing Node.js issue #66074 upstream in V8

Thanks Jakob — filed as https://issues.chromium.org/issues/565047704. CL: https://chromium-review.

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Question about fixing Node.js issue #66074 upstream in V8

Thanks Jakob — filed as https://issues.chromium.org/issues/565047704. CL: https://chromium-review.

Sep 23

Temiloluwa, Marja Hölttä3

Sep 20

[Test262] fix delete super[...] with uninitialized this

I have submitted the fix. you can take a look at it here. https://chromium-review.googlesource.com/c/

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[Test262] fix delete super[...] with uninitialized this

I have submitted the fix. you can take a look at it here. https://chromium-review.googlesource.com/c/

Sep 20

夏超, Jakob Kummerow2

Sep 17

OOB read in SharedObjectConveyorHandles::GetPersisted (issue 562567696)

Thanks for the report. I've commented on the bug. On Thu, Sep 17, 2026 at 12:09 PM 夏超 <

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OOB read in SharedObjectConveyorHandles::GetPersisted (issue 562567696)

Thanks for the report. I've commented on the bug. On Thu, Sep 17, 2026 at 12:09 PM 夏超 <

Sep 17

Michael Achenbach

Sep 16

Branch cut V8 15.5

Hi, We've officially branched for Chrome version 155. V8 branch: refs/branch-heads/15.5 If your

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Branch cut V8 15.5

Hi, We've officially branched for Chrome version 155. V8 branch: refs/branch-heads/15.5 If your

Sep 16

Sam Parker-Haynes, … Jakob Gruber4

Sep 8

Building on AArch64 Linux

Okay, thanks both. v8_use_metagen_instance_types = false is working for me, so that's good enough

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Building on AArch64 Linux

Okay, thanks both. v8_use_metagen_instance_types = false is working for me, so that's good enough

Sep 8

Temiloluwa, … Marja Hölttä9

Sep 8

New contributor looking for a good first V8 issue

That makes sense. Thanks for looking into it! On Mon, Sep 7, 2026 at 4:21 PM Temiloluwa <

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New contributor looking for a good first V8 issue

That makes sense. Thanks for looking into it! On Mon, Sep 7, 2026 at 4:21 PM Temiloluwa <

Sep 8

Michael Achenbach

Sep 3

Branch cut V8 15.4

Hi, We've officially branched for Chrome version 154. V8 branch: refs/branch-heads/15.4 If your

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Branch cut V8 15.4

Hi, We've officially branched for Chrome version 154. V8 branch: refs/branch-heads/15.4 If your

Sep 3

Michael Achenbach

Aug 19

Branch cut V8 15.3

Hi, We've officially branched for Chrome version 153. V8 branch: refs/branch-heads/15.3 If your

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Branch cut V8 15.3

Hi, We've officially branched for Chrome version 153. V8 branch: refs/branch-heads/15.3 If your

Aug 19

Attila Szegedi, Leszek Swirski5

Aug 12

Annotating CPU profiler samples with embedder values

Hi folks, Following up to note that I added a second patchset addressing Leszek's review comments

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Annotating CPU profiler samples with embedder values

Hi folks, Following up to note that I added a second patchset addressing Leszek's review comments

Aug 12

Michael Achenbach

Jul 28

Branch cut V8 15.2 on 2026-07-28

Hi, We've officially branched for Chrome version 152. V8 branch: refs/branch-heads/15.2 V8

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Branch cut V8 15.2 on 2026-07-28

Hi, We've officially branched for Chrome version 152. V8 branch: refs/branch-heads/15.2 V8

Jul 28

*Feral*, … Jakob Kummerow5

Jul 20

[V8][TurboFan][Maglev] Sponsor request for dictionary super-load receiver fix

Hi Jakob, Thanks for the clarification. I tried again with my regular Gmail account, and the upload

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[V8][TurboFan][Maglev] Sponsor request for dictionary super-load receiver fix

Hi Jakob, Thanks for the clarification. I tried again with my regular Gmail account, and the upload

Jul 20

ASTRA DEV, Darius Mercadier2

Jul 20

Proposal: Remove 9 unused DeoptimizeReason enum values (verified dead via full history search)

Hi, > I wanted to ask whether this kind of cleanup is even of interest to the team Sure, please

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Proposal: Remove 9 unused DeoptimizeReason enum values (verified dead via full history search)

Hi, > I wanted to ask whether this kind of cleanup is even of interest to the team Sure, please

Jul 20

Jul 14

TC-39 Error code property proposal

Hey all, Just a heads up about https://github.com/tc39/proposal-error-code-property ... It's a

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TC-39 Error code property proposal

Hey all, Just a heads up about https://github.com/tc39/proposal-error-code-property ... It's a

Jul 14

Fabien Romano, Clemens Backes3

Jul 7

(X64+CET enabled) WASM jump table slot overflow on far jump fallback

Actually, I didn't want to go through the process of https://v8.dev/docs/contribute. Reading CLA,

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(X64+CET enabled) WASM jump table slot overflow on far jump fallback

Actually, I didn't want to go through the process of https://v8.dev/docs/contribute. Reading CLA,

Jul 7

Jul 7

(X64+CET enable) wasm jump table slot overflow on far jump

On OpenBSD amd64 current, using Node 24.18 and Yarn (4.17). Randomly the command 'yarn install

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(X64+CET enable) wasm jump table slot overflow on far jump

On OpenBSD amd64 current, using Node 24.18 and Yarn (4.17). Randomly the command 'yarn install

Jul 7

Michael Achenbach2

Jul 1

Branch cut V8 15.1 on 2026-06-29

Hi, We've officially branched for Chrome version 151. V8 branch: refs/branch-heads/15.1 V8

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Branch cut V8 15.1 on 2026-06-29

Hi, We've officially branched for Chrome version 151. V8 branch: refs/branch-heads/15.1 V8

Jul 1

Amemiya Riya, Jakob Kummerow3

Jun 26

Replace base::Memset's hand-written loop with std::fill_n?

Hi Jakob, Thanks for the reply. I've uploaded the change to Gerrit. https://chromium-review.

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Replace base::Memset's hand-written loop with std::fill_n?

Hi Jakob, Thanks for the reply. I've uploaded the change to Gerrit. https://chromium-review.

Jun 26

Reve, Camillo Bruni2

Jun 18

Is there a plan to optimize async generators?

Hi, This is on our radar by optimising the lazy-collections jetstream workload which covers some

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Is there a plan to optimize async generators?

Hi, This is on our radar by optimising the lazy-collections jetstream workload which covers some

Jun 18

yahan lu, … shadowing5

Jun 12

I get a warning when Irun 'git cl upload'

It may caused by the VPN that you were using are dirty in their IP address. Consider using a clearer

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I get a warning when Irun 'git cl upload'

It may caused by the VPN that you were using are dirty in their IP address. Consider using a clearer

Jun 12

Jun 12

[snapshot] Proposed fix for deferred off-heap TypedArray snapshot failure

Hi V8 folks, I found a snapshot deserialization failure involving deferred objects and off-heap

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[snapshot] Proposed fix for deferred off-heap TypedArray snapshot failure

Hi V8 folks, I found a snapshot deserialization failure involving deferred objects and off-heap

Jun 12

Conrad Buck, Ben Noordhuis3

Jun 4

Lang design: building no-prototype arrays

Well you sent me down quite a rabbit hole, but yes I was able to confirm what you said -- that

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Lang design: building no-prototype arrays

Well you sent me down quite a rabbit hole, but yes I was able to confirm what you said -- that

Jun 4

Jakob Kummerow2

Jun 1

Branch cut V8 15.0 on 2026-06-01

Hi, We've officially branched to be prepared for the upcoming Chromium version 150. The base of

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Branch cut V8 15.0 on 2026-06-01

Hi, We've officially branched to be prepared for the upcoming Chromium version 150. The base of

Jun 1

May 25

Arrow function in ScriptCompiler::CompileFunction source argument

Hi all, In C++ code we use ScriptCompiler::CompileFunction() member function to compile JS function

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Arrow function in ScriptCompiler::CompileFunction source argument

Hi all, In C++ code we use ScriptCompiler::CompileFunction() member function to compile JS function

May 25

Jakob Kummerow2

May 4

Branch cut V8 14.9 on 2026-05-04

Hi, we have officially branched to be prepared for the upcoming Chrome version 149. The base of the

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Branch cut V8 14.9 on 2026-05-04

Hi, we have officially branched to be prepared for the upcoming Chrome version 149. The base of the

May 4

Apr 24

[Design/Windows] Scripting API to opt into ETW tracing integration for a specific Isolate

A little thing to allow an embedder to integrate with an ETW tracing session for a specific Isolate,

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[Design/Windows] Scripting API to opt into ETW tracing integration for a specific Isolate

A little thing to allow an embedder to integrate with an ETW tracing session for a specific Isolate,

Apr 24

Noa, Erik Corry3

Apr 23

Method on Isolate to check for interrupts

I don't think that's been observed, so I guess my coworker just wrote this part of our code

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Method on Isolate to check for interrupts

I don't think that's been observed, so I guess my coworker just wrote this part of our code

Apr 23

Joyee Cheung, … Leszek Swirski5

Apr 22

GDB & LLDB plugins for v8 via debug_helper

Hi Leszek, Thanks for the feedback, yes I agree they are complementary - with gdbjit integration

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GDB & LLDB plugins for v8 via debug_helper

Hi Leszek, Thanks for the feedback, yes I agree they are complementary - with gdbjit integration

Apr 22

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