LGTM2 - I see that Mozilla has proposed a positive position via comment.
On 3/17/25 2:25 PM, 'Dan Clark' via blink-dev wrote:
LGTM1
On Monday, March 17, 2025 at 11:24:06 AM UTC-7 sligh...@chromium.org
wrote:
I'm recused on this one, but would like to see it move forward
quickly. Great work.
On Friday, March 14, 2025 at 1:32:38 PM UTC-7 Chromestatus wrote:
Contact emails
issac...@microsoft.com, seth.b...@microsoft.com,
icle...@google.com
Explainer
https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/CrashReporting/AddStackToCrashReports.md
https://github.com/WICG/crash-reporting/issues/12
Specification
https://wicg.github.io/crash-reporting
Design docs
https://docs.google.com/document/d/19DpvHIiYbmB9wgIP0BdI4vOnfVLcAZFmfIAml7SqRQA/edit?usp=sharing
Summary
This feature captures the JS call stack when a web page
becomes unresponsive due to JavaScript code running an
infinite loop or other very long computation. This helps
developers to identify the cause of the unresponsiveness and
fix it more easily. The JS call stack is included in the crash
reporting API when the reason is unresponsive.
Blink component
Chromium > Internals > Network > ReportingAndNEL
<https://issues.chromium.org/issues?q=customfield1222907:%22Chromium%20%3E%20Internals%20%3E%20Network%20%3E%20ReportingAndNEL%22>
TAG review
https://github.com/w3ctag/design-reviews/issues/981
TAG review status
Issues addressed
Origin Trial Name
Call stacks in crash reports
Chromium Trial Name
DocumentPolicyIncludeJSCallStacksInCrashReports
Origin Trial documentation link
https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/CrashReporting/AddStackToCrashReports.md
WebFeature UseCounter name
kDocumentPolicyIncludeJSCallStacksInCrashReports
Risks
Interoperability and Compatibility
"The stack trace format itself is not compatible across
browsers." However, "It is already exposed throughout the web
platform (via the `error.stack` getter), and there is already
a lot of software, both client- and server-side, which deals
with parsing the different browsers' formats."
/Gecko/: No signal
(https://github.com/mozilla/standards-positions/issues/1057)
/WebKit/: No signal
(https://github.com/WebKit/standards-positions/issues/380)
/Web developers/: Positive
https://github.com/denoland/deno/issues/26919#issuecomment-2584648202
https://github.com/WICG/crash-reporting/issues/21
https://github.com/electron/electron/issues/45356#issuecomment-2635086589
https://github.com/electron/electron/pull/44204#discussion_r1845994904
https://github.com/TurboWarp/desktop/issues/1113
https://github.com/getsentry/sentry-javascript/pull/14044#issuecomment-2468480434
https://www.electronjs.org/blog/electron-34-0#unresponsive-renderer-javascript-call-stacks
/Other signals/: Origin trial participants have found the
feature useful, and their feedback has been positive.
Security
Stack frames from cross-domain scripts that were not loaded
with CORS are omitted.
WebView application risks
Does this intent deprecate or change behavior of existing
APIs, such that it has potentially high risk for Android
WebView-based applications?
No, the feature does not deprecate or change the behavior of
existing APIs such that it has potentially high risk for
Android WebView-based applications.
Debuggability
Developers can launch DevTools, go to the "Application" Tab,
then in the "Background services" section click on "Reporting
API" where they can inspect reports that are queued to be
sent. Application --> Reporting API
Will this feature be supported on all six Blink
platforms (Windows, Mac, Linux, ChromeOS, Android, and
Android WebView)?
Yes
Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?
No
This feature is not currently testable on WPT, since
triggering it requires crashing the browser.
DevTrial instructions
https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/CrashReporting/HOWTO.md
Flag name on about://flags
Finch feature name
DocumentPolicyIncludeJSCallStacksInCrashReports
Requires code in //chrome?
False
Tracking bug
https://bugs.chromium.org/p/chromium/issues/detail?id=1445539
Availability expectation
Initially the feature will only be available in Chromium
browsers.
Non-OSS dependencies
Does the feature depend on any code or APIs outside the
Chromium open source repository and its open-source
dependencies to function?
No.
Estimated milestones
Shipping on desktop 136
Origin trial desktop first 127
Origin trial desktop last 132
Origin trial extension 1 end milestone 135
DevTrial on desktop 125
Shipping on Android 136
Origin trial Android first 127
Origin trial Android last 132
DevTrial on Android 125
Shipping on WebView 136
Origin trial WebView first 127
Origin trial WebView last 132
Anticipated spec changes
Open questions about a feature may be a source of future web
compat or interop issues. Please list open issues (e.g. links
to known github issues in the project for the feature
specification) whose resolution may introduce web
compat/interop risk (e.g., changing to naming or structure of
the API in a non-backward-compatible way).
None
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/4731248572628992?gate=5150803040141312
Links to previous Intent discussions
Intent to Prototype:
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/MW2PPF6784DDB763E2DA7BFC75AE51613ABC27B2%40MW2PPF6784DDB76.namprd00.prod.outlook.com
Ready for Trial:
https://groups.google.com/a/chromium.org/g/blink-dev/c/aVpeVRO1Sy4
Intent to Experiment:
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/f43b4e9f-5af8-4c4b-bcd9-342332dd57edn%40chromium.org
Intent to Extend Experiment 1:
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/67819b5d.2b0a0220.275672.09ce.GAE%40google.com
This intent message was generated by Chrome Platform Status
<https://chromestatus.com>.
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