[Webkit-unassigned] [Bug 203460] REGRESSION(2.27.2): [GTK] Incognito mode is broken

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=203460

--- Comment #16 from Michael Catanzaro <mcatanzaro at gnome.org> ---
As I explained:

(In reply to Michael Catanzaro from comment #13) 
> I not sure I trust this backtrace. I took it before I realized that I
> probably need to manually downgrade my org.gnome.Sdk.Debug extension to make
> sure that was in sync with the downgraded org.gnome.Platform runtime. But
> that didn't work: it just causes all WebKit frames to disappear entirely
> from the backtrace as if no debuginfo for WebKit is available:

To get a good backtrace, one would need to rebuild the Epiphany flatpak using either a modified runtime (e.g. with flapjak), or (easier) with bundled WebKit using GNOME Builder (-DCMAKE_INSTALL_PREFIX=/app will probably suffice, might also need to use -DLIB_INSTALL_DIR=/app/lib), and hope to reproduce the problem that way. This is just what you need to do when a problem can only be reproduced under flatpak. To solve this bug, someone else will have to learn how to do this, since I do not intend to spend this much effort debugging WebKit anymore.

If that fails, we can upgrade the GNOME runtime to 2.27.2 briefly for debugging, and then immediately downgrade it back to 2.26, but since this will briefly break users I won't do that unless attempts to rebuild locally have failed.

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