Marketplace does not sync: Invalid response line returned from server: HTTP/2 200 + Infinite Loop

[3615helloworld]

Hi All, I hope you will be able to help me

Preconditions (*)

1. fresh install of Magento ver. 2.1.15

Steps to reproduce (*)

1. I try to sync to the Marketplace for the first time

Expected result (*)

1. To Log in the Marketplace

Actual result (*)

1. https://digital-seb-p-.tinytake.com/sf/MzA5ODcxM185Mjg5NDU1
2. Invalid response line returned from server: HTTP/2 200

I have tried to following fixes:
https://magento.stackexchange.com/questions/249565/unable-to-synch-with-marketplace-after-upgrade-to-2-2-6

or

#19127

and

https://community.magento.com/t5/Magento-2-x-Version-Upgrades/Sign-in-to-Magento-Marketplace-gt-quot-Invalid-response-line/td-p/111720

I don't receive the error message but the loading is stuck in an infinite loop and never connect
https://digital-seb-p-.tinytake.com/sf/MzEwMTUyMF85Mjk2Nzky

[magento-engcom-team]

Hi @Magentococo. Thank you for your report.
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@Magentococo do you confirm that you was able to reproduce the issue on vanilla Magento instance following steps to reproduce?

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[magento-engcom-team]

Hi @engcom-backlog-nazar. Thank you for working on this issue.
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Hi @Magentococo thank you for you report, this issue has been fixed by this commit -> #19143