Selected Theme Colors not preserved after Chrome Update

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DougCuk42

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Mar 13, 2022, 10:59:33 AM3/13/22
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Bug Report for Windows (Desktop) Chrome x64
Versions triggering the fault - v97, v98, v99
Seen on Windows versions - Win10x64 and Win7x64  
Chrome Team (By Google) theme - Just Black (9 million users)
Issue seen on a vanilla Chrome MSI install - with no extensions installed

Recently many of the Chrome Team (By Google) themes are suffering an issue triggered by Chrome version updates. 
After a Chrome version update the theme coded colors of Navigation Buttons and text labels on Bookmarks Bar are lost.
This issue started with the update to v97 - and has affect both subsequent stable versions (v98 and v99).  
The issue affects the Back, Forward, Home and Menu buttons - but NOT the Reload button
- and also all text labels on the Bookmarks Bar. Colors generally revert to a medium grey.

As a specific example the Chrome Team (By Google) theme Just Black is affected (webstore reports 9 million users)
https://chrome.google.com/webstore/category/collection/chrome_color_themes
Recent webstore reviews for this theme report color issues with the items listed above
- and also "fixing" the issues by reinstalling the theme - as listed below.  
I also believe the following Chrome Team themes show the same issue: Slate, Serenity, Oceanic

The issue can be temporarily fixed by a "reset to default" and re-install of the theme.
But it recurs on the next Chrome version update - so far updates to v97, v98 and v99 have all triggered a malfunction of the theme.
The other "fix" is using the "Customise Chrome" option on the New Tab page
- however you only have to select (ie preview) an alternate colour scheme
- you can then choose Cancel and the faulty colors are reset.

I can find no fix available in the Theme code options - so maybe the Version Update code needs fixing?
The issue occurs with both the Online Chrome Update and update by running the new version MSI installer.
Attached are screen grabs of the Original and Faulty  rendering
Faulty_v97.PNG
Original_v96.PNG

Stefan vd

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Mar 17, 2022, 4:59:54 PM3/17/22
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Hi there,

For other readers here on the Chromium Extension forum, you can read the report on this public Chromium bug page:

Thanks,
Stefan vd

DougCuk42

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Mar 24, 2022, 6:55:12 PM3/24/22
to Chromium Extensions, Stefan vd, DougCuk42
This issue has now been accepted as a bug somewhere within the Chrome update code.
It is triggered by full version updates (eg v98 to v99) - but not sub version updates
- and appears to affect a range of different custom themes 
- and reinstalling the theme temporarily fixes the fault until next full version update.
Often requires Chrome restart before symptoms activate (the update Relaunch often looks OK)  
Symptoms can be masked when using the Dark App colour setting on Win10
-- DougCuk42

DougCuk42

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May 6, 2022, 10:27:50 AM5/6/22
to Chromium Extensions, DougCuk42, Stefan vd
As stated above this bug has now been reproduced by the Chrome Browser Dev Team
- but it seems it is now down to chance whether anyone picks it up to diagnose and fix.

If you want to check the details I have posted a revised summary at the link below (Comment 16)
https://bugs.chromium.org/p/chromium/issues/detail?id=1306936#c16
If you think it warrants investigation and a fix you can "Star" the bug report to show support
Click login at top right (requires a Google ID) then click the "Star" at top left.
 
At present the bug is listed as Priority 3 (lowest rating)
Anyone know how to get this bug bumped up the priority rating?

Pretty sure this is a bug in the full version update code (as opposed to sub-version updates)
And that it most likely affects any install with a custom theme that attempts to control the colours of icons and text on the Toolbar and/or Bookmarks bar. Which could be a very large number of Chrome users - the one specific Theme I cited as an example has 9 million users and I have replicated the issue on 4 other popular themes.

DougCuk42

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May 26, 2022, 7:46:54 AM5/26/22
to Chromium Extensions, DougCuk42, Stefan vd
****** Provisional Update - Bug Appears Fixed as of v102 ******
This bug appears to be fixed in Chrome Browser v102.0.5005.63
Not sure if this was collateral to some other fix or was a targeted bug-fix.

Despite no further updates from the Devs to my official  Bug Report (still listed as Available-Open)
- it appears a workaround may have been included in later sub-versions of Chrome v100
- as I observed the bug immediately after an update - but it was fixed after an additional restart of Chrome.
And this behaviour continued with v101 - a simple restart of Chrome fixed the colors.

I have tested the update from v101 to v102 on 5 different computers with 2 different themes
- and so far all updates to v102 have worked correctly.

With any luck this fix will persist into future versions (v103+) and not get reverted.
Let's hope the code changes were documented as targeting this specific bug.

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