Thank you for the update, Ethan! This clarifies a lot. On Fri, Jan 21, 2022 at 6:07 AM 'Ethan Jimenez' via blink-dev < blink-dev@chromium.org> wrote:
> Thanks for the response Mike! > > > > I edited the “Debuggability” section below and will update the Chrome > status entry soon. > > > > Best regards, > > Ethan > > > > *From:* Mike Taylor <miketa...@chromium.org> > *Sent:* Thursday, January 20, 2022 1:03 PM > *To:* Ethan Jimenez <etha...@microsoft.com> > *Cc:* blink-dev@chromium.org; Philip Jägenstedt <foo...@chromium.org>; > Mathias Bynens <math...@chromium.org> > *Subject:* Re: [EXTERNAL] Re: [blink-dev] Intent to Prototype: CSS Subgrid > > > > (I'm not Mathias, but...) > > > > You can just respond to this thread with the debug info, and update the > Chromestatus entry as well - thanks! > > > > On 1/20/22 3:57 PM, 'Ethan Jimenez' via blink-dev wrote: > > Hi everyone! > > > > Philip, thanks for the encouragement, I’m super excited to deliver subgrid > knowing that it’s going to make so many devs happy. > > > > @Mathias Bynens <math...@chromium.org> quick question, should I re-send > the intent to prototype or just edit it here? > > > > Thanks in advance, > > Ethan > > > > *From:* Philip Jägenstedt <foo...@chromium.org> <foo...@chromium.org> > *Sent:* Wednesday, January 19, 2022 9:03 AM > *To:* Mathias Bynens <math...@chromium.org> <math...@chromium.org> > *Cc:* Ethan Jimenez <etha...@microsoft.com> <etha...@microsoft.com>; > blink-dev@chromium.org > *Subject:* [EXTERNAL] Re: [blink-dev] Intent to Prototype: CSS Subgrid > > > > Hi Ethan, > > > > It's great to see this Intent to Prototype. Subgrid tends to come up as > important in web developer surveys, the latest being State of CSS 2021: > > > https://2021.stateofcss.com/en-US/opinions/#browser_interoperability_features > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2F2021.stateofcss.com%2Fen-US%2Fopinions%2F%23browser_interoperability_features&data=04%7C01%7Cethavar%40microsoft.com%7C9e7519222986424870dd08d9dc584930%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637783094053527188%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=5ZW9RiGh14f6Z963CQMmrSaGDkuXk%2F6ewiCbfb9FILg%3D&reserved=0> > > https://2021.stateofcss.com/en-US/opinions/#currently_missing_from_css_wins > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2F2021.stateofcss.com%2Fen-US%2Fopinions%2F%23currently_missing_from_css_wins&data=04%7C01%7Cethavar%40microsoft.com%7C9e7519222986424870dd08d9dc584930%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637783094053527188%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=OeyWxZChbGcMfKYae%2B5ngMIUGYnHP9rkbN2bPLir1dM%3D&reserved=0> > > > > It's a part of Interop 2022 > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fweb-platform-tests%2Finterop-2022%2Fissues%2F1&data=04%7C01%7Cethavar%40microsoft.com%7C9e7519222986424870dd08d9dc584930%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637783094053527188%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=6Q%2Bs4Ur9wWNYb1tz4%2Fh%2FvReNPBfhBgxqwTkbtvK%2Fzdo%3D&reserved=0> > for this reason > > > > So I hope this all goes well :D > > > > Best regards, > > Philip > > > > On Wed, Jan 19, 2022 at 8:09 AM Mathias Bynens <math...@chromium.org> > wrote: > > The required “Debuggability” section was left empty. Please follow > https://goo.gle/devtools-checklist > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgoo.gle%2Fdevtools-checklist&data=04%7C01%7Cethavar%40microsoft.com%7C9e7519222986424870dd08d9dc584930%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637783094053527188%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=29gH8v6568ujGZAYsKd1IGxbU5Sbk7yuQOrZr0k563o%3D&reserved=0> > and elaborate on how developers would inspect & debug this new feature. Per > the guide, we need to ensure DevTools supports basic editing of the new CSS > properties and values — which would likely work out-of-the-box anyhow. > Please elaborate. > > > > On Tue, Jan 18, 2022 at 6:42 PM 'Ethan Jimenez' via blink-dev < > blink-dev@chromium.org> wrote: > > *Contact emails* > > etha...@microsoft.com > > *Explainer* > > None > > *Specification* > > https://drafts.csswg.org/css-grid-2 > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrafts.csswg.org%2Fcss-grid-2&data=04%7C01%7Cethavar%40microsoft.com%7C9e7519222986424870dd08d9dc584930%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637783094053527188%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=F523wuextylfZjaDFDk6Pbx5Q%2FwzFOSifH2S1Xu413o%3D&reserved=0> > > *Design docs* > > https://docs.google.com/document/d/1cpsCmzdDlXUKtMxOUKIoJFyLH54mLVhZnam_z0PriO0/edit?usp=sharing > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.google.com%2Fdocument%2Fd%2F1cpsCmzdDlXUKtMxOUKIoJFyLH54mLVhZnam_z0PriO0%2Fedit%3Fusp%3Dsharing&data=04%7C01%7Cethavar%40microsoft.com%7C9e7519222986424870dd08d9dc584930%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637783094053527188%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=LA%2FdzSHPO3VjGrJ2oIRFiyi6xTeL1loia6ZEwweCg5k%3D&reserved=0> > > *Summary* > > Implements the CSS Grid Layout Module Level 2 specification, which > introduces the concept of a "subgrid" to nested grid containers. > > *Blink component* > > Blink>CSS > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugs.chromium.org%2Fp%2Fchromium%2Fissues%2Flist%3Fq%3Dcomponent%3ABlink%253ECSS&data=04%7C01%7Cethavar%40microsoft.com%7C9e7519222986424870dd08d9dc584930%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637783094053527188%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=ObM5H4z1VAU2bqUyazgMi%2FnBCFvVXCg2ERcvf4OhrOU%3D&reserved=0> > > *Motivation* > > The problem CSS Subgrid solves is inheritance within nested grid > containers: only direct children of a grid container are aware of its > parent's grid properties, e.g., the size of its tracks, the names of each > grid line. Whenever web authors work with a grid spanning some area within > another grid, the children of the innermost grid are unaware of the > outermost grid structure, which could potentially be a disadvantage if > authors want those items to be aligned to other descendants of the > outermost grid. A "subgrid" is a nested grid container whose row and column > definitions are deferred to its parent; with such concept in mind, the > problem above is mitigated by inheriting the grid properties and alignment > from the spanned grid area in its parent grid. > > *Initial public proposal* > > > *Search tags* > > subgrid > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fchromestatus.com%2Ffeatures%23tags%3Asubgrid&data=04%7C01%7Cethavar%40microsoft.com%7C9e7519222986424870dd08d9dc584930%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637783094053527188%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=WreG7vJBE92ALl2h9DI9lOSRKB9z7FkBi1ERb1gnTB4%3D&reserved=0> > , css-grid-2 > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fchromestatus.com%2Ffeatures%23tags%3Acss-grid-2&data=04%7C01%7Cethavar%40microsoft.com%7C9e7519222986424870dd08d9dc584930%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637783094053527188%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=VQ54JWrnnQHfH2yUAfNI4Fne%2FbIdbx5yUSmWheDsk74%3D&reserved=0> > , css > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fchromestatus.com%2Ffeatures%23tags%3Acss&data=04%7C01%7Cethavar%40microsoft.com%7C9e7519222986424870dd08d9dc584930%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637783094053527188%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=mULYp8mSrHLHYSidVoTCLGgGkHqcIKDf59cQxRdXNgc%3D&reserved=0> > > *TAG review* > > > *TAG review status* > > Not applicable > > *Risks* > > *Interoperability and Compatibility* > > This is a well-defined specification from the W3C, so we would be > addressing some interoperability gaps instead of causing them. > > *Gecko*: Shipped/Shipping > > *WebKit*: Positive > > *Web developers*: Strongly positive > > *Other signals*: > > *Debuggability* > > This feature is an extension of the capabilities of the CSS Grid Layout > Module, no new properties will be introduced, but a new value “subgrid” > will be introduced and properly rolled into the DevTools repository. > Besides some work required to correctly compute the resolved value of > subgrid definitions for “grid-template-columns” and “grid-template-rows”, > no additional work is required to view/edit the style of a subgrid > container. > > *Is this feature fully tested by **web-platform-tests* > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fchromium.googlesource.com%2Fchromium%2Fsrc%2F%2B%2Fmaster%2Fdocs%2Ftesting%2Fweb_platform_tests.md&data=04%7C01%7Cethavar%40microsoft.com%7C9e7519222986424870dd08d9dc584930%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637783094053578086%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=AlnAQ6tB9oxd0rSejATBMAY4Ox%2Fu1a1l7ZlhZ3cO%2BSk%3D&reserved=0> > *?* > > Yes > > *Flag name* > > > > *Requires code in //chrome?* > > False > > *Tracking bug* > > https://crbug.com/618969 > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcrbug.com%2F618969&data=04%7C01%7Cethavar%40microsoft.com%7C9e7519222986424870dd08d9dc584930%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637783094053578086%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=SD6d601zjMciAoqQRNsiA6N%2B6n6kNzCWMiSQCpCDYJg%3D&reserved=0> > > *Estimated milestones* > > No milestones specified > > *Link to entry on the Chrome Platform Status* > > https://chromestatus.com/feature/5663795354533888 > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fchromestatus.com%2Ffeature%2F5663795354533888&data=04%7C01%7Cethavar%40microsoft.com%7C9e7519222986424870dd08d9dc584930%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637783094053588027%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=OUKYo2%2Bdd49WxFWY%2FX9deDakPdSlsgaaQ%2FDUL3pjSKI%3D&reserved=0> > > This intent message was generated by Chrome Platform Status > 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