Duplicate characters are rendered when \left and \right are used

[RenGate]

I'm observing characters duplication when \left and \right operators are used. Maybe there are other operators that cause this issue too. In the following sample, an equation is rendered with two CRω at the top and CLω² at the bottom.

Here is a sample code that demonstrates this issue:

let latex = #"""
    \phi = \arctan\left(\frac{-C R \omega}{1 - C L \omega^2}\right)
"""#

#Preview {
    VStack {
        SwiftUILaTeXView(
            latexString: latex,
            textColor: .blue
        )
        Spacer()
    }
}

struct SwiftUILaTeXView: UIViewRepresentable {
    let latexString: String
    let textColor: UIColor
    let textAlignment: MTTextAlignment = .center
    
    func makeUIView(context: Context) -> MTMathUILabel {
        let view = MTMathUILabel()
        return view
    }
    
    func updateUIView(_ uiView: MTMathUILabel, context: Context) {
        if latexString != uiView.latex {
            uiView.latex = latexString
        }
        if textColor != uiView.textColor {
            uiView.textColor = textColor
        }
        if textAlignment != uiView.textAlignment {
            uiView.textAlignment = textAlignment
        }
    }
    
    func sizeThatFits(_ proposal: ProposedViewSize, uiView: MTMathUILabel, context: Context) -> CGSize? {
        if let width = proposal.width, width.isFinite, width > 0 {
            uiView.preferredMaxLayoutWidth = width
            let size = uiView.sizeThatFits(CGSize(width: width, height: .greatestFiniteMagnitude))
            return size
        }
        return nil
    }
}

When mentioned operators are not used, equation is rendered correctly:
\phi = \arctan(\frac{-C R \omega}{1 - C L \omega^2})

Library version: latest commit from main branch (48ff188).
iOS version: 26.2