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C1 22 & 23 top slow



  • Kevin Middelkoop

    Got this too, also with a M1 Max Macbook Pro 4TB SSD and 64GB memory. I am on macOS 12.6.1 with CO23 (

  • Mark Koolen

    Here too, C1 21 was responsive with the sliders, but since update to 23 it's not workable anymore, almost a second delay when using sliders like exposure before the image will change. This on a Air M1 with Z6 files.

  • SFA
    Top Commenter

    Submit a request (

    Create a Support Request and provide the information request to give the Support Team as much useful information as possible to assess the reasons for the performance issues.


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