Support Forums › Forums › FIR Designer Support › IIR filters missing after opening v4.7.0 project in FIR Designer v4.7.1 (macOS) › Reply To: IIR filters missing after opening v4.7.0 project in FIR Designer v4.7.1 (macOS)

    29 August 2026 at 6:59 am #501355

    Our apologies and thanks for the report. We’ll get right on it.

    Regards,
    EA Support