Meta Box

public function mjmc_block_half_video_half_text($meta_boxes) {

        $meta_boxes[] = [
            'title'           => 'Half Video/Half Text',
            'id'              => 'half-video-half-text-content',
            'description'     => 'creates a block with 50% Video / 50% Text',
            'type'            => 'block',
            'icon'            => 'awards',
            'category'        => 'howell-blocks',
            //'context'         => 'side',
            'render_callback' => 'mjmc_block_half_video_half_text_render',
            //'enqueue_style'   => get_template_directory_uri() . '/blocks/hero/style.css',
            'supports' => [
                'align' => ['full'],
                'anchor' => true,
                'customClassName' => true,
            ],
    
            // Block fields.
            'fields'          => [
                [
                    'type' => 'color',
                    'id'   => 'background_color',
                    'name' => 'Background Color',
                    'js_options'    => array(
                        'palettes' => array( '#004B87', '#FFC629', '#F3F3F3','#FF6B00', '#005CAB', '#3DAE2B')
                    ),
                ],
                [
                    'type'  => 'text',
                    'id'    => 'video_iframe',
                    'name'  =>  'Iframe Code'
                ],  
                [
                    'type' => 'select',
                    'id'   => 'align_video',
                    'name' => 'Align Video',
                    'options'         => array(
                        'left'       => 'Left',
                        'right' => 'Right',
                    ),
                ],  
                [
                    'type'  => 'wysiwyg',
                    'id'    => 'content',
                    'name'  =>  'Content',
                    'options' => array(
                        'tinymce'       => array(
                            'toolbar1'      => 'bold,italic',
                            'toolbar2'      => '',
                            'toolbar3'      => '',
                        ),
                    ),
                ]
                
            ],
        ];
        return $meta_boxes;
        
    }

the Tinymce tool bar doesnt change at all on my end. Other editor settings like: 'media_buttons' => FALSE works just fine.