On Thu, Nov 16, 2023 at 1:26 AM Mathias Bynens <[email protected]> wrote:
> In case helpful: the earlier i2s for html-pattern-v has some compat data > on the specific case of upgrading the HTML `pattern` attribute from the `u` > to the `v` flag: > https://groups.google.com/a/chromium.org/g/blink-dev/c/gIyvMw0n2qw/m/3XaP6hFpAgAJ > > On Thu, Nov 16, 2023 at 5:55 AM Shunya Shishido <[email protected]> > wrote: > >> We can wait for more data from the upcoming M120 stable for more >> confidence, but in that case we need an Intent to Ship instead of this PSA? >> As Jeremy mentioned the actual usage is nearly zero, so I believe this >> change very unlikely breaks sites. >> > Also worth noting this feature is Finchable, so in the unlikely event we see a spike in this in stable, we can Finch it off to reconsider before enabling this by default hits the stable channel. > "Will this feature be supported on all six Blink platforms" I see the >>> answer is no. Which platforms are not going to be supported? >> >> Let me correct, the answer is yes. I also updated the chromestatus entry. >> >> >> On Thu, Nov 16, 2023 at 2:44 AM Jeremy Roman <[email protected]> >> wrote: >> >>> The "less than 0.001%" number is not a fraction of page loads, but of >>> URL patterns created -- so it's a minuscule fraction *of pages that are >>> using URLPattern at all* (which itself is 0.11%); if you look >>> up Blink.URLPattern.IncompatiblePatternWithUnicodeSetsMode in UMA you'll >>> see the raw data, but it truly is essentially zero samples. >>> >>> Most of the characters that would be invalid without escaping aren't as >>> common in URLs without percent encoding, the major exception being -, >>> because something like /[-a-z]/u works but /[-a-z]/v doesn't and the author >>> must write /[\-a-z]/v. >>> >>> (I'll leave it to Shunya to comment on the pros/cons of waiting for >>> stable data.) >>> >>> On Wed, Nov 15, 2023 at 11:04 AM Mike Taylor <[email protected]> >>> wrote: >>> >>>> This feels like something that has the potential to be rather thorny... >>>> I would expect 0.001% on Beta to be higher on Stable. >>>> >>>> Given that your UMA >>>> <https://chromiumdash.appspot.com/commit/155a6cac4aab72685cfcc39029739394243ed1ef> >>>> landed in M120, could we wait a few weeks to look at the stable data, then >>>> come back with an Intent to Ship? This seems slightly riskier for a page >>>> than >>>> https://groups.google.com/a/chromium.org/g/blink-dev/c/gIyvMw0n2qw/m/-WZC9C4VCQAJ >>>> (which had server-side validation as a fallback). >>>> On 11/15/23 3:16 AM, Shunya Shishido wrote: >>>> >>>> Contact emails [email protected] >>>> >>>> Specification https://urlpattern.spec.whatwg.org >>>> >>>> Summary >>>> >>>> The URL Pattern API allows developers to specify pattern strings. Those >>>> are transformed to regular expressions internally. When the API was first >>>> implemented, these regular expressions were compiled with the u flag. We're >>>> going to update it to the v flag, enabling Unicode sets >>>> <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/unicodeSets> >>>> . >>>> >>>> >>>> Blink component Blink>URLPattern >>>> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EURLPattern> >>>> >>>> TAG review None >>>> >>>> TAG review status Not applicable >>>> >>>> Risks >>>> >>>> >>>> Interoperability and Compatibility >>>> >>>> >>>> https://github.com/tc39/proposal-regexp-v-flag#how-is-the-v-flag-different-from-the-u-flag >>>> This doc has a list the potentially breaking changes between u and v. Some >>>> patterns that previously would compile, now throw an error with the v flag, >>>> specifically those with a character class including either an unescaped >>>> special character or a double punctuator. I believe it does not >>>> significantly affect the patterns in use today. From UMA metric on Beta, >>>> incompatible patterns are less than 0.001% of the total compilation. Also, >>>> the use counter of the API itself has only 0.11%. The expected impact is >>>> extremely limited. >>>> >>>> >>>> *Gecko*: No signal >>>> >>>> *WebKit*: No signal >>>> >>>> *Web developers*: No signals >>>> >>>> *Other signals*: >>>> >>>> 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? >>>> >>>> None >>>> >>>> >>>> Debuggability >>>> >>>> None >>>> >>>> >>>> Will this feature be supported on all six Blink platforms (Windows, >>>> Mac, Linux, Chrome OS, Android, and Android WebView)? No >>>> >>>> Is this feature fully tested by web-platform-tests >>>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md> >>>> ? Yes >>>> >>>> https://wpt.fyi/results/urlpattern/urlpattern.any.html Tests for set >>>> notations were added in >>>> https://github.com/web-platform-tests/wpt/pull/43014 >>>> >>>> >>>> Flag name on chrome://flags >>>> >>>> Finch feature name URLPatternRegexpUnicodeSetsMode >>>> >>>> Requires code in //chrome? False >>>> >>>> Tracking bug >>>> https://bugs.chromium.org/p/chromium/issues/detail?id=1482263 >>>> >>>> Estimated milestones >>>> Shipping on desktop 121 >>>> Shipping on Android 121 >>>> >>>> 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/5122651463090176 >>>> >>>> This intent message was generated by Chrome Platform Status >>>> <https://chromestatus.com/>. >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "blink-dev" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAGMyg-ZAnsDEw1haRd1HOuYcieHOYKZ73oYAQ3SfWv9umsd-TA%40mail.gmail.com >>>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAGMyg-ZAnsDEw1haRd1HOuYcieHOYKZ73oYAQ3SfWv9umsd-TA%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "blink-dev" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/c16d70b8-298a-4dc7-80cf-1c1c2ae5c8ab%40chromium.org >>>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/c16d70b8-298a-4dc7-80cf-1c1c2ae5c8ab%40chromium.org?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "blink-dev" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAGMyg-bf%2Bup%3DecrFxQNYnXe%3DzW9tHOajJMmbYUt6hbi9BD17_w%40mail.gmail.com >> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAGMyg-bf%2Bup%3DecrFxQNYnXe%3DzW9tHOajJMmbYUt6hbi9BD17_w%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. 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