[Bug 291555] www/chromium: severe flickering when running with --ozone-platform=wayland (works with --ozone-platform=x11)

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 10 Dec 2025 14:43:56 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291555

            Bug ID: 291555
           Summary: www/chromium: severe flickering when running with
                    --ozone-platform=wayland (works with
                    --ozone-platform=x11)
           Product: Ports & Packages
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: Individual Port(s)
          Assignee: chromium@FreeBSD.org
          Reporter: oleglelchuk@gmail.com
          Assignee: chromium@FreeBSD.org
             Flags: maintainer-feedback?(chromium@FreeBSD.org)

After updating www/chromium to 143.0.7499.40, I am seeing severe flickering /
unstable rendering on websites when Chromium is launched with the Wayland Ozone
backend. The issue does not occur when Chromium is launched with the X11 Ozone
backend on the same machine.

This appears to be a regression introduced with the ports update from
142.0.7444.175 to 143.0.7499.40 (ports commit:
4c471c813b75c518d07ab8748c29b0b840276cad; FreshPorts 2025Q4 shows commit hash
70774db for the update).

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