Custom Ribbon UI <ribbon startFromScratch="true"> not working on MacOS

[andrevni22]

Hello,
I do not know if in this section is the right place to ask about this, then please let me know if I am wrong.
So, I have the following code in my Office RibbonX Editor and this is working properly on Windows, but on Mac the customized ribbon does not initializate. if I set <ribbon startFromScratch="false"> it works, but my ribbon is located at the end of the excel top bar. I want that my ribbon is the first one when I initialize my workbook (and better if I can see just this one using <ribbon startFromScratch="true">).
Could someone please help me with that? I would be so grateful!

This is my Ribbon Code

<customUI xmlns="http://schemas.microsoft.com/office/2009/07/customui">
    <ribbon startFromScratch="true">
        <tabs>
     
            <tab id="customTab" label="Menu">
                <group id="customGroup" label="Menu">            
                    <button id="btn1" label="Dashboard" image="Dashboard0" size="large" onAction="AtivarDashboard" />
                    <button id="btn2" label="Controle" image="Controle0" size="large" onAction="AtivarControle" />
                    <button id="btn3" label="Planos" image="Planos0" size="large" onAction="ativarprincipalRibbon" />
                    <button id="btn4" label="Investimentos" image="Investimentos0" size="large" onAction="AtivarLTInvestimentos" />
                    <button id="btn5" label="Análises" image="Analises0" size="large" onAction="AtivarAnaliseInvestimentos" />
                    <button id="btn6" label="Simulador" image="Simuladores0" size="large" onAction="AtivarSimulador" />
                </group>
                <group id="customGroup2" label="Usuário">
                    <button id="btn7" label="Configurações" image="Configuracoes0" size="large" onAction="COnfigurarUsuario"  />
                </group>
                <group id="customGroupSalvar" label="  ">
                    <button id="Salvar1" label="Salvar" image="Salvar" size="large" onAction="SaveWorkbook" />
                </group>
                <group id="customGroup4" >
                   <button id="btn0" label="Vídeos Explicativos" image="YouTube_x0020_Logo_Small" size="large" onAction="OpenWebsite" />
                   <button id="btn011" label="Meu Planner Financeiro" image="Logo_2.0" size="large" onAction="OpenInstagram" />
                </group>
            </tab>
         
            <tab id="customTab2" label="Edição">    
                <group idMso="GroupFont" />
                <group idMso="GroupAlignment" />
            </tab>
 
            <tab id="customTabGerenciar" label="Gerenciar">
                <group id="customGroupGerenciar" label=" ">
                    <button id="admImport" label="Importar dados" image="Importar0" size="large" onAction="ImportarDadosMPF" />
                </group>          
            </tab>                                  
        </tabs>
    </ribbon>
</customUI>