[Webkit-unassigned] [Bug 244550] New: REGRESSION: STP152: Occasionally, back navigation from GitHub release page skips first GitHub page

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=244550

            Bug ID: 244550
           Summary: REGRESSION: STP152: Occasionally, back navigation from
                    GitHub release page skips first GitHub page
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Mac (Apple Silicon)
                OS: macOS 12
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: History
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jon at jonshier.com

This isn't 100% reproducible, but is similar to a programmatic history bug that was fixed a release or two ago that affected Discourse sites a lot. That issue is still fixed but I'm seeing similar behavior again on GitHub.

Steps:
1. Navigate to a GitHub repo, say https://github.com/nicklockwood/SwiftFormat
2. Navigate to the latest release from the sidebar on the right. Say, 0.49.17.
3. Try to navigate back.

If you'd viewed anything in the tab before going to GitHub it will navigate back to the last page before step 1.
If you hadn't viewed anything in the tab before going to GitHub it will work fine.

I'll investigate more, but perhaps this is related to time since last view, or perhaps was a glitch with GitHub itself.

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