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Cannot load the Google Chat progressive web app on Chromium based browsers any more (gmail integration works fine)

Posted by jpluimers on 2026/03/20

Since a few days, oo my desktop systems, Chromium based browsers cannot completely load the Google Chat progressive web app any more.

Symptoms:

  1. Google Chat Android app works fine from my mobile devices
  2. This link works fine on my desktop in Chromium based browsers: mail.google.com/mail/u/0/#chat/home
  3. This link fails to fully load on my desktop in Chromium based browsers: chat.google.com/u/0/app?wr=1

The failure is that the green progress bar under the Google Workspace logo quickly almost fills up to become fully green, but then stalls without any network activity.

What I tried but does not fix:

  • Same Chrome browser, but anonymous window
  • Different Chromium browser, also with anonymous windows (with permutations on Windows 11, Windows 10 and MacOS)

What does work is loading chat.google.com/u/0/app?wr=1

  • with Chrome on my Android Phone.
  • with FireFox on Windows 11, Windows 10 or MacOS or Safari on MacOS

These options take about 2 seconds to fully load the Google Chat progressive web app including the chats.

In Chromium based browsers, the URLs fetched all return HTTP 200 OK except for the second and third which according to the debugger tools are “stalled”

  1. https://chat.google.com/u/0/app?wr=1
  2. https://chat.google.com/_/scs/mss-static/_/js/k=boq-dynamite.DynamiteWebUi.en.=…/m=QH1IMd…
  3. https://chat.google.com/_/scs/mss-static/_/js/k=boq-dynamite.DynamiteWebUi.en…/m=D0xR5d…
  4. https://www.gstatic.com/dynamite/attachments/html_attachment_v0.css
  5. https://fonts.googleapis.com/css2?family=Google+Symbols
  6. https://chat.google.com/_/scs/mss-static/_/ss/k=boq-dynamite.DynamiteWebUi…./m=redirectedfrompintoview,_b,_tp,byfTOb…
  7. https://ssl.gstatic.com/ui/v1/icons/mail/google_workspace_1x.png
  8. https://ssl.gstatic.com/ui/v1/icons/mail/chatlogo/logo_chat_default_1x.png
  9. https://lh3.googleusercontent.com/ogw/AF2bZyiQYTinyOQj1T-IMn9HB411DatqmWhYdEJ52A88fR5-_p8e=s32-c-mo
  10. https://fonts.gstatic.com/s/googlesans/v58/4UaRrENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iq2vgCIhM907w.woff2
  11. https://ssl.gstatic.com/ui/v1/icons/mail/images/favicon_chat_r5.ico

Note that 8. (google chat logo) and 9. (my profile picture) are loaded, but not displayed. Both images are referenced from 1.

Related:

For now, it is not OK but workable. Hopefully Google fixes this soon.

--jeroen

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