[MacPorts] #70137: gtk4 apparently requires OpenGL 3 to work, which means that everything will be broken if switched to it on older OS

[MacPorts]

#70137: gtk4 apparently requires OpenGL 3 to work, which means that everything will
be broken if switched to it on older OS
--------------------------------+--------------------
  Reporter:  barracuda156       |      Owner:  (none)
      Type:  defect             |     Status:  new
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:  2.9.3
Resolution:                     |   Keywords:
      Port:  gtk4, pavucontrol  |
--------------------------------+--------------------

Comment (by barracuda156):

 UPD2. It is kinda working, but slow. So unless there is a better way,
 `GSK_RENDERER=cairo` is okay as a temporary fix.

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Ticket URL: <https://trac.macports.org/ticket/70137#comment:2>
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