Recent 404 error occured in private github page. <There isn't a GitHub Pages site here>

[dsdanielpark]

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I have been using my personal GitHub blog page at https://$username.github.io/. Although the repository was kept private, I was able to properly display the GitHub blog page.

However, recently, I discovered that the build process working correctly with private repository, but page returns 404 error.

If I change my private repository to a public one, it builds and displays correctly.

Is there a reason for this change?

Many users would prefer to keep the source code of their personal github io page hidden while only displaying the page.

[dsdanielpark]

Oh, I need pro account if I needed... I have to page lol.

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Required reviewers in private repos
Protected branches in private repos
Repository insights in private repos
Wikis in private repos
Pages in private repos