Sorry if this isn't the correct place to ask but I just noticed in Chrome 
Canary, the scrollbar is still light when viewing PDF's. Does anyone know 
if this is working as intended or if it's a bug?

On Tuesday, April 30, 2024 at 10:21:48 PM UTC-4 William Smith wrote:

> Hey another nice bonus with this excellent change is: the YouTube desktop 
> website no longer has to use their dreadful custom scrollbar (see attached 
> screenshot) which has quite a few issues and downsides compared to the 
> standard Chrome scrollbar. Finally they can do away with that and just use 
> the standard Chrome scrollbar! If anyone at Google or YouTube is reading 
> this, please let the relevant people on the YouTube desktop team know![image: 
> Youtubescrollbar.png]
>
> On Tuesday, March 26, 2024 at 10:41:43 PM UTC-4 Domenic Denicola wrote:
>
>> LGTM3
>>
>> On Wednesday, March 27, 2024 at 4:45:08 AM UTC+9 Mike Taylor wrote:
>>
>>> LGTM2
>>> On 3/26/24 1:25 PM, Yoav Weiss (@Shopify) wrote:
>>>
>>> LGTM1 once the fix 
>>> <https://chromium-review.googlesource.com/c/chromium/src/+/5386749> to 
>>> the above issue lands.
>>>
>>> On Monday, March 18, 2024 at 7:56:52 PM UTC+1 [email protected] 
>>> wrote:
>>>
>>>> Yes, I believe the bug [1] is a blocker.
>>>>
>>>> [1] https://issues.chromium.org/issues/328102503.
>>>>
>>>> On Monday, March 18, 2024 at 1:51:43 AM UTC-7 [email protected] 
>>>> wrote:
>>>>
>>>>> Great to see a positive position from Mozilla on this. 
>>>>>
>>>>> Is the above mentioned bug a blocker here?
>>>>>
>>>>> On Friday, March 8, 2024 at 12:52:58 AM UTC+1 [email protected] 
>>>>> wrote:
>>>>>
>>>>>> Thanks for taking a look and your feedback! Please let me know if you 
>>>>>> have any other questions or concerns.
>>>>>> On Thursday, March 7, 2024 at 3:23:02 PM UTC-8 William Smith wrote:
>>>>>>
>>>>>>> Thank you! And just to be clear, I personally don't see it as a 
>>>>>>> problem at all, I was only curious. I actually think this should have 
>>>>>>> shipped along with dark mode back in 2019, but better late than never. 
>>>>>>>
>>>>>>> On Thursday, March 7, 2024 at 5:22:14 PM UTC-5 Yaroslav Shalivskyy 
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Hello William! Thank you for selfhosting the feature!
>>>>>>>>
>>>>>>>> For the pages you mentioned, the feature is working as indented. If 
>>>>>>>> you enable the dark mode in OS settings (e.g., refer to the screenshot 
>>>>>>>> attached from the Windows device), root scrollbars will follow the OS 
>>>>>>>> settings unless page authors have explicitly specified page’s 
>>>>>>>> supported 
>>>>>>>> color schemes.
>>>>>>>>
>>>>>>>> However, I recently discovered a bug related to Chrome browser 
>>>>>>>> Appearance > Mode setting. The setting doesn't impact the calculation 
>>>>>>>> of 
>>>>>>>> web contents' used color scheme, resulting in inconsistent behavior. 
>>>>>>>> For 
>>>>>>>> more details, please see: [UsedColorSchemeRootScrollbars] Root 
>>>>>>>> scrollbars are dark when the browser color theme setting is "Light" 
>>>>>>>> and the 
>>>>>>>> OS theme settings is "Dark" [328102503] - Chromium 
>>>>>>>> <https://issues.chromium.org/issues/328102503>. I am currently 
>>>>>>>> prioritizing work on the CL to fix this issue.
>>>>>>>> On Wednesday, March 6, 2024 at 8:54:37 PM UTC-8 William Smith wrote:
>>>>>>>>
>>>>>>>>> Apologies if this isn't the correct place to ask this but I have 
>>>>>>>>> this working in Chrome Canary and as fantastic as it is, they 
>>>>>>>>> behavior on 
>>>>>>>>> some websites has me confused: on 
>>>>>>>>> https://en.wikipedia.org/wiki/Main_Page and amazon.com the 
>>>>>>>>> scrollbar is dark, but neither of those webpages have a dark mode in 
>>>>>>>>> any 
>>>>>>>>> way. Is this a bug in the feature or is it working as intended?  
>>>>>>>>>
>>>>>>>>> On Tuesday, March 5, 2024 at 5:33:33 PM UTC-5 Yaroslav Shalivskyy 
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>> Mike and Daniel, thank you for the suggestions!
>>>>>>>>>>
>>>>>>>>>> I requested browser vendor positions as well as reviews for 
>>>>>>>>>> chromestatus entry.
>>>>>>>>>>
>>>>>>>>>> Mozilla: [css-color-adjust-1] Root non-overlay scrollbars used 
>>>>>>>>>> color scheme · Issue #995 · mozilla/standards-positions (github.com) 
>>>>>>>>>> <https://github.com/mozilla/standards-positions/issues/995>
>>>>>>>>>> WebKit: [css-color-adjust-1] Root non-overlay scrollbars used 
>>>>>>>>>> color scheme · Issue #326 · WebKit/standards-positions (github.com) 
>>>>>>>>>> <https://github.com/WebKit/standards-positions/issues/326>
>>>>>>>>>>
>>>>>>>>>> I updated the chromestatus entry with these links as well.
>>>>>>>>>>
>>>>>>>>>> On Monday, March 4, 2024 at 12:08:23 PM UTC-8 
>>>>>>>>>> [email protected] wrote:
>>>>>>>>>>
>>>>>>>>>>> Thanks for the summary of the experiment results on Edge - 
>>>>>>>>>>> sounds positive.
>>>>>>>>>>>
>>>>>>>>>>> If this is purely a browser UI change, then we don't really need 
>>>>>>>>>>> the blink-dev process at all. However, if we're relying on concepts 
>>>>>>>>>>> defined 
>>>>>>>>>>> in a CSSWG draft, and devs can change the outcome w/ some CSS (or 
>>>>>>>>>>> maybe 
>>>>>>>>>>> here, the lack of CSS to result in non-`normal` computed value...) 
>>>>>>>>>>> it would 
>>>>>>>>>>> be if there were interoperability in UI choices across browsers. I 
>>>>>>>>>>> don't 
>>>>>>>>>>> necessarily think we should block on the outcome, but requesting 
>>>>>>>>>>> vendor 
>>>>>>>>>>> positions could be useful.
>>>>>>>>>>>
>>>>>>>>>>> (and Daniel, if you scroll down a bit - I did ask about TAG and 
>>>>>>>>>>> browser signals. :))
>>>>>>>>>>> On 3/2/24 1:10 PM, Daniel Bratell wrote:
>>>>>>>>>>>
>>>>>>>>>>> Mike didn't refer to the TAG review or browser signals, but the 
>>>>>>>>>>> review steps in chromestatus. The intent should request, privacy, 
>>>>>>>>>>> security, 
>>>>>>>>>>> enterprise, and the other steps there.
>>>>>>>>>>>
>>>>>>>>>>> I agree that this lives in the borderland between user agent UI 
>>>>>>>>>>> and a web visible change so some shortcuts might be possible to 
>>>>>>>>>>> motivate, 
>>>>>>>>>>> but you still need to click the the appropriate buttons in the 
>>>>>>>>>>> chromestatus 
>>>>>>>>>>> tool.
>>>>>>>>>>>
>>>>>>>>>>> /Daniel
>>>>>>>>>>> On 2024-03-01 21:10, 'Yaroslav Shalivskyy' via blink-dev wrote:
>>>>>>>>>>>
>>>>>>>>>>> Hello Mike,
>>>>>>>>>>>
>>>>>>>>>>> Thank you for taking a look!
>>>>>>>>>>>
>>>>>>>>>>> I am seeking consensus on how to approach the feature from a 
>>>>>>>>>>> standardization perspective. I think the feature can be considered 
>>>>>>>>>>> a 
>>>>>>>>>>> browser UI change, which is why I haven't requested a TAG 
>>>>>>>>>>> review or signals from other engines. However, I am open to doing 
>>>>>>>>>>> so if 
>>>>>>>>>>> necessary.
>>>>>>>>>>>
>>>>>>>>>>> I apologize for any confusion. We did the general 
>>>>>>>>>>> experimentation in Edge (not the "origin trials" as I mentioned in 
>>>>>>>>>>> the 
>>>>>>>>>>> email). Retention reports were neutral, and we observed no 
>>>>>>>>>>> regressions in 
>>>>>>>>>>> scorecards. Also, we have not received any negative user feedback 
>>>>>>>>>>> thus far.
>>>>>>>>>>>
>>>>>>>>>>> I am working on requesting reviews for my chromestatus entry. 
>>>>>>>>>>> Thanks for pointing this out!
>>>>>>>>>>>
>>>>>>>>>>> Thanks,
>>>>>>>>>>> Yaroslav
>>>>>>>>>>>
>>>>>>>>>>> On Friday, March 1, 2024 at 5:52:55 AM UTC-8 
>>>>>>>>>>> [email protected] wrote:
>>>>>>>>>>>
>>>>>>>>>>>> Hi there,
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> Would you mind requesting reviews for the various review gates 
>>>>>>>>>>>> in your chromestatus entry?
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> On 2/29/24 4:12 PM, 'Yaroslav Shalivskyy' via blink-dev wrote:
>>>>>>>>>>>>
>>>>>>>>>>>> Contact emails 
>>>>>>>>>>>> [email protected], [email protected]
>>>>>>>>>>>>
>>>>>>>>>>>> Explainer 
>>>>>>>>>>>> None
>>>>>>>>>>>>
>>>>>>>>>>>> Specification 
>>>>>>>>>>>> https://www.w3.org/TR/css-color-adjust-1
>>>>>>>>>>>>
>>>>>>>>>>>> Summary 
>>>>>>>>>>>>
>>>>>>>>>>>> Makes the browser use the user's preferred color scheme to 
>>>>>>>>>>>> render the viewport scrollbars if the value of "page’s supported 
>>>>>>>>>>>> color 
>>>>>>>>>>>> schemes" is 'normal' or not specified, and the computed value of 
>>>>>>>>>>>> the 
>>>>>>>>>>>> color-scheme for the root element is 'normal'. Viewport scrollbars 
>>>>>>>>>>>> can be 
>>>>>>>>>>>> considered to be outside the web content. Therefore, the user 
>>>>>>>>>>>> agents should 
>>>>>>>>>>>> honor the user's preferred color scheme when rendering viewport 
>>>>>>>>>>>> scrollbars 
>>>>>>>>>>>> if page authors have not explicitly specified support for color 
>>>>>>>>>>>> schemes.
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> Blink component 
>>>>>>>>>>>> Blink>Layout>Scrollbars 
>>>>>>>>>>>> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3ELayout%3EScrollbars>
>>>>>>>>>>>>
>>>>>>>>>>>> TAG review 
>>>>>>>>>>>> None
>>>>>>>>>>>>
>>>>>>>>>>>> TAG review status 
>>>>>>>>>>>> Not applicable
>>>>>>>>>>>>
>>>>>>>>>>>> Any reason you think this is N/A, or have you just not 
>>>>>>>>>>>> requested TAG review?
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> Risks 
>>>>>>>>>>>>
>>>>>>>>>>>> Interoperability and Compatibility 
>>>>>>>>>>>>
>>>>>>>>>>>> None
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> *Gecko*: No signal
>>>>>>>>>>>>
>>>>>>>>>>>> *WebKit*: No signal
>>>>>>>>>>>>
>>>>>>>>>>>> *Web developers*: No signals
>>>>>>>>>>>>
>>>>>>>>>>>> *Other signals*:
>>>>>>>>>>>>
>>>>>>>>>>>> Could we request signals please?
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> 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, 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
>>>>>>>>>>>>
>>>>>>>>>>>> Flag name on chrome://flags 
>>>>>>>>>>>> None
>>>>>>>>>>>>
>>>>>>>>>>>> Finch feature name 
>>>>>>>>>>>> UsedColorSchemeRootScrollbars
>>>>>>>>>>>>
>>>>>>>>>>>> Requires code in //chrome? 
>>>>>>>>>>>> False
>>>>>>>>>>>>
>>>>>>>>>>>> Tracking bug 
>>>>>>>>>>>> https://issues.chromium.org/issues/40259909
>>>>>>>>>>>>
>>>>>>>>>>>> Measurement 
>>>>>>>>>>>> Added a use counter UsedColorSchemeRootScrollbarsDark. The 
>>>>>>>>>>>> counter tracks the number of users who have dark mode root 
>>>>>>>>>>>> scrollbars due 
>>>>>>>>>>>> to the feature. Adoption in Edge Stable population based on this 
>>>>>>>>>>>> metric is 
>>>>>>>>>>>> approximately 13%.
>>>>>>>>>>>>
>>>>>>>>>>>> Availability expectation 
>>>>>>>>>>>> Initially available in Chromium browsers.
>>>>>>>>>>>>
>>>>>>>>>>>> Adoption expectation 
>>>>>>>>>>>> This feature immediately affects specific use cases upon launch.
>>>>>>>>>>>>
>>>>>>>>>>>> Adoption plan 
>>>>>>>>>>>> This feature has been through origin trials on Edge. Other 
>>>>>>>>>>>> browsers adopt this feature to fix specific use cases.
>>>>>>>>>>>>
>>>>>>>>>>>> Any details or feedback you can share from the Origin Trial?
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> 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
>>>>>>>>>>>> 124
>>>>>>>>>>>> DevTrial on desktop
>>>>>>>>>>>> 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/5089486318075904
>>>>>>>>>>>>
>>>>>>>>>>>> Links to previous Intent discussions 
>>>>>>>>>>>> Intent to prototype: 
>>>>>>>>>>>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/PH8PR00MB16366CA3D32D8ECE2C646C54A94D2%40PH8PR00MB1636.namprd00.prod.outlook.com
>>>>>>>>>>>>
>>>>>>>>>>>> This intent message was generated by Chrome Platform Status 
>>>>>>>>>>>> <https://chromestatus.com/>.
>>>>>>>>>>>>
>>>>>>>>>>>> -- 
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>>>>>>>>>>>> it, send an email to [email protected].
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>>>>>>>>>>>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/LV3PR00MB17488611D88C9E41AC6A806BA95F2%40LV3PR00MB1748.namprd00.prod.outlook.com
>>>>>>>>>>>>  
>>>>>>>>>>>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/LV3PR00MB17488611D88C9E41AC6A806BA95F2%40LV3PR00MB1748.namprd00.prod.outlook.com?utm_medium=email&utm_source=footer>
>>>>>>>>>>>> .
>>>>>>>>>>>>
>>>>>>>>>>>> -- 
>>>>>>>>>>> You received this message because you are subscribed to the 
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>>>>>>>>>>> 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/34e66337-a227-4521-93bc-42317a1659b4n%40chromium.org
>>>>>>>>>>>  
>>>>>>>>>>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/34e66337-a227-4521-93bc-42317a1659b4n%40chromium.org?utm_medium=email&utm_source=footer>
>>>>>>>>>>> .
>>>>>>>>>>>
>>>>>>>>>>>

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