Hey Michal, We discussed this morning at API OWNERS and appreciate you bringing this to us. From a compat perspective, the Finch'd rollout plan sounds good, and we wish you luck.
>From a Blink process perspective, we think this is more of an Intent-to-Ship, and are agreeing to treat it as such. With that caveat, and with the Finch rollout plan in play, LGTM1. On Wednesday, June 24, 2026 at 5:26:32 AM UTC-7 Michał Hoffmann wrote: > Sorry for the confusion! To clarify: > > - The experimenting on Stable could start right away - so a week after > 100% stable release of M150 according to the best Finch practices. > - Once we have reliable data on 1% - so a week or two into the > experimentation, I want to boost it to 10% of stable, as it's hard to > investigate incognito effects on low traffic. The 10% experiment would run > for another 2 weeks of data unless any concerns arise. > - The full release will be in M151, after both stages of an experiment, > provided no negative signals on compat. > > Does that answer your question? > On Tuesday, June 23, 2026 at 9:02:49 PM UTC+2 Mike Taylor wrote: > >> Thanks Michal - but I'm a little confused. >> >> Dan is asking which milestones you would like to run a 1% experiment on >> (or if you're planning to run an Origin Trial - and it looks like you >> aren't) to flush out any compat issues. Are you saying you would like to >> launch in M151, or start the 1% experiment in 151? If the former, for how >> many milestones (this is Dan's question)? >> On 6/23/26 11:00 a.m., 'Michał Hoffmann' via blink-dev wrote: >> >> The planned timeline is a usual finch deployment with a full release in >> M151. The experiment for 50% of Canary+Dev+Beta is already up and running >> for some time with no breakages detected. >> >> I was asked for an explicit I2E (a thread mentioned in the summary) >> before experimenting on stable. The usual rollout is planned, however since >> the change is Incognito only I wonder if starting with more than 1% of >> stable would reveal more about the possible effects of the feature. If so - >> I assume I'd need more approvals from owners there. >> >> Let me know what's the best approach for you >> Michał >> On Monday, June 22, 2026 at 8:52:52 PM UTC+2 Dan Clark wrote: >> >>> Can you clarify the planned timeline for the experiment? Is my >>> understanding correct that the idea is to roll this out via finch, rather >>> than asking people to opt-in to an Origin Trial? >>> >>> -- Dan >>> >>> On Thursday, June 18, 2026 at 6:27:57 AM UTC-7 Chromestatus wrote: >>> >>>> *Contact emails* >>>> [email protected], [email protected] >>>> >>>> *Explainer* >>>> https://github.com/explainers-by-googlers/static-storage-quota >>>> >>>> *Specification* >>>> *No information provided* >>>> >>>> *Summary* >>>> Fixes a bug in the predictable-storage-quota that allows Incognito mode >>>> to be detected. A change introduced recently to Stable, buckets the result >>>> of the StorageManager's estimate API for sites that do not have unlimited >>>> storage permission to max(10Gib, ceil(actual_quota_in_Gib)) + usage. >>>> However, in incognito mode, the actual quota value is based on a fraction >>>> of available RAM, instead of the disk space - providing an Incognito >>>> detection surface. This change fixes the value of this API for Incognito >>>> Mode to the maximal bucket of: usage + 10Gib. Discussion on the original >>>> feature available here: >>>> https://groups.google.com/a/chromium.org/g/blink-dev/c/7q0YGQNVkjs/m/mpYkQVWpAQAJ >>>> >>>> This is a new Chromestatus in place of an original PSA, as this launch >>>> should start with an I2E to ensure the breakage risk is properly >>>> addressed. >>>> See >>>> https://groups.google.com/a/chromium.org/g/blink-dev/c/00aHBCiUGzo/m/B0Dq06SFAQAJ. >>>> >>>> >>>> >>>> *Blink component* >>>> Blink>Storage>Quota >>>> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EStorage%3EQuota%22> >>>> >>>> *Web Feature ID* >>>> storage-manager <https://webstatus.dev/features/storage-manager> >>>> >>>> *Search tags* >>>> incognito <http:///features#tags:incognito>, quota >>>> <http:///features#tags:quota>, storage <http:///features#tags:storage> >>>> >>>> *TAG review* >>>> *No information provided* >>>> >>>> *TAG review status* >>>> Pending >>>> >>>> *Goals for experimentation* >>>> None >>>> >>>> *Risks* >>>> >>>> >>>> *Interoperability and Compatibility* >>>> *No information provided* >>>> >>>> *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? >>>> *No information provided* >>>> >>>> >>>> *Ongoing technical constraints* >>>> *No information provided* >>>> >>>> *Debuggability* >>>> *No information provided* >>>> >>>> *Will this feature be supported on all six Blink platforms (Windows, >>>> Mac, Linux, ChromeOS, 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>?* >>>> No >>>> >>>> >>>> *Flag name on about://flags* >>>> *No information provided* >>>> >>>> *Finch feature name* >>>> kIncognitoStaticStorageQuota >>>> >>>> *Requires code in //chrome?* >>>> False >>>> >>>> *Tracking bug* >>>> https://issues.chromium.org/issues/464484739 >>>> >>>> *Estimated milestones* >>>> >>>> No milestones specified >>>> >>>> >>>> *Link to entry on the Chrome Platform Status* >>>> https://chromestatus.com/feature/5117411264167936?gate=5943068999155712 >>>> >>>> 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 visit >> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/63eda6a8-a972-4580-b0ed-77179b42f0een%40chromium.org >> >> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/63eda6a8-a972-4580-b0ed-77179b42f0een%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 visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/4d578efe-a867-43f6-9d28-a6b6ce08beccn%40chromium.org.
