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Since last webex app update post an adaptive card crash the app

Echppiel
Level 1
Level 1

‎03-10-2025 10:48 AM

We have an adaptive card containing an array of small png images encoded in base64.

Since last Window client update posting this card makes the client to crash if user tries to go to the chat group where it has been posted.

The card is well seen and workign perfectly on Android Client and it has been working perfectly on windows until last update.

I tried to change from png to jpg but the result is the same.

I also tried using URL instead of inline base64 encoded image and result is the same.

Seems a buggy version related to bad render of images to me... any idea on what maybe happening and if any fix is in the air?

You can replicate the issue posting this card:

{
    "type": "AdaptiveCard",
    "version": "1.3",
    "body": [
        {
            "type": "ColumnSet",
            "columns": [
                {
                    "type": "Column",
                    "width": "stretch",
                    "horizontalAlignment": "Center",
                    "verticalContentAlignment": "Center",
                    "items": [
                        {
                            "type": "Image",
                            "url": "data:image/png;base64,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",
                            "width": "20px",
                            "height": "13px"
                        }
                    ]
                },
                {
                    "type": "Column",
                    "width": "stretch",
                    "verticalContentAlignment": "Center",
                    "horizontalAlignment": "Center",
                    "items": [
                        {
                            "type": "Image",
                            "url": "data:image/png;base64,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",
                            "width": "20px",
                            "height": "13px"
                        }
                    ]
                },
                {
                    "type": "Column",
                    "width": "stretch",
                    "items": [
                        {
                            "type": "Image",
                            "url": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAMCAYAAABr5z2BAAABLUlEQVR42mNg1WyyYTGeMJHZqO8Eo37PAwbdrodT5+18feXKlZ2nT5+eCsT5Fy5c8Fk/a7nhQXVjBRDeKKNms1/ZoGS/ou5pBgbD/v8MxgtQ8Nb9D/6/fv0aju/du/f/8rQ5/08r6aPgndLq/zEN0JsHNgAd/Fiz6f9bDQtkDDVAuwNZM9EGvFYyhBuAoplBazZuAxCaUQyAaQRhAgYgNCMMUGpEaFadDsK4DEDR/FJO+/86UTmYAQjNDIqTcRuA0IxmAEIzAQMQmhEGSFfANBMyAKYR0wCQK4A0HINS4rVr10AJCJGgFi37f09aHYZBCQlqgEz5aQap0hJQkmaQyFMAYVCyPXz4sA8oGYOS88GDB3fuqm+6ul5M4eFaEfkHq0VkT6wUlpm4UUbNBgAokdw2aTuT3AAAAABJRU5ErkJggg==",
                            "width": "20px",
                            "height": "13px"
                        }
                    ],
                    "verticalContentAlignment": "Center",
                    "horizontalAlignment": "Center"
                },
                {
                    "type": "Column",
                    "width": "stretch",
                    "items": [
                        {
                            "type": "Image",
                            "url": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAMCAYAAABr5z2BAAABOklEQVR42mOYpqLvuEjLauJ8TfMTc1WNH4LwJFmNizOVDHbOUNKbOlFGoxCkZpK8lhoMg/ggcZA6hoUqRv83a1uiYlVjMAbKgfF0KVWsuF1Y9j/YgJ3aVjAM0oiBN8rrwPEaKTUYRjXggEvA/yOBMTAMEgNrwNSMwD06Jv8Zdrf3/P/y5t1/LAAs/ub0uf8Plq/5f7mtB45vzVkIFj9y5Mh/hkuXLv8nE1DRgFOXH/9fuOHc/445B2EYxAeJ4/Tew6dv/+dVTvjPYBbU8V/JrRMFy9i3wGg4G6TOP30WCIP54qal//nVI/4zSFlXomtGwUB5ZAzSCMYihgUwAxASYia52DBIDlkjTDPUAMv802JGaYXCuvEW4qaZSgKGyfIgtoh+og9IXEA9crKgRuRBIL6LhA+CxIV14y0AOr3McH9v9PIAAAAASUVORK5CYII=",
                            "width": "20px",
                            "height": "13px"
                        }
                    ],
                    "verticalContentAlignment": "Center",
                    "horizontalAlignment": "Center"
                },
                {
                    "type": "Column",
                    "width": "stretch",
                    "items": [
                        {
                            "type": "Image",
                            "url": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAMCAYAAABr5z2BAAABNklEQVQokaXPzWqTURDG8d85OXmbgIJVtFGzs7gruqrgjXTrujfUa+g9eAOKoGux4EetRrAKJa3Nm3eOi1aqNdVFB4Z5mJn/w0waDoeP27bdqLU+iohRrTXlnKe11g8ppTd4nVLayTl/bNt2H71Syjgi1iNiI6G6ROTLwFB+iTFunOof2MX0P/AIZRNPcOu0+fs/X7CDd9jDERJW8BAt0lPq6jl4UV2UL1Hi3NIi8CKTDqVmmgcsrZGvkRq6A+YTZm9Pcv79b6PeiKtrlJtb3F7/x52VOGT+lXZC6tNfob/M3itKWr4AjDOdBzR3aEZ/zqOj1OD9J6ZHzGbUICf6PZYKg4ZBn6ZHySfz42O+HZwZvJjs2247zyPs5tDNW9czdyX3orovrArjWl2Jqnadz7XzbNbZ/gm6bKEHm4sqvwAAAABJRU5ErkJggg==",
                            "width": "20px",
                            "height": "13px"
                        }
                    ],
                    "horizontalAlignment": "Center",
                    "verticalContentAlignment": "Center"
                },
                {
                    "type": "Column",
                    "width": "stretch",
                    "items": [
                        {
                            "type": "Image",
                            "url": "data:image/png;base64,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",
                            "width": "20px",
                            "height": "13px"
                        }
                    ],
                    "verticalContentAlignment": "Center",
                    "horizontalAlignment": "Center"
                },
                {
                    "type": "Column",
                    "width": "stretch",
                    "items": [
                        {
                            "type": "Image",
                            "url": "data:image/png;base64,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",
                            "width": "20px",
                            "height": "13px"
                        }
                    ],
                    "horizontalAlignment": "Center",
                    "verticalContentAlignment": "Center"
                },
                {
                    "type": "Column",
                    "width": "stretch",
                    "items": [
                        {
                            "type": "Image",
                            "url": "data:image/png;base64,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",
                            "width": "20px",
                            "height": "13px"
                        }
                    ],
                    "horizontalAlignment": "Center",
                    "verticalContentAlignment": "Center"
                },
                {
                    "type": "Column",
                    "width": "stretch",
                    "items": [
                        {
                            "type": "Image",
                            "url": "data:image/png;base64,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",
                            "width": "20px",
                            "height": "13px"
                        }
                    ],
                    "horizontalAlignment": "Center",
                    "verticalContentAlignment": "Center"
                },
                {
                    "type": "Column",
                    "width": "stretch",
                    "items": [
                        {
                            "type": "Image",
                            "url": "data:image/png;base64,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",
                            "width": "20px",
                            "height": "13px"
                        }
                    ],
                    "horizontalAlignment": "Center",
                    "verticalContentAlignment": "Center"
                },
                {
                    "type": "Column",
                    "width": "stretch",
                    "items": [
                        {
                            "type": "Image",
                            "url": "data:image/png;base64,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",
                            "width": "20px",
                            "height": "13px"
                        }
                    ],
                    "horizontalAlignment": "Center",
                    "verticalContentAlignment": "Center"
                },
                {
                    "type": "Column",
                    "width": "stretch",
                    "items": [
                        {
                            "type": "Image",
                            "url": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAMCAYAAABr5z2BAAACHUlEQVQokYWQTW9UdRyFn/nfO3dunWKhoVLTRo0QgroyJiVhpwtYuHDJ0o3fw4ULt36N7jVGTWlDQqJgKCFIBKWRgYbWWjq1vZnel985LuoLO5/k7M6TnJzelx9+dEltXJXiokPzUvRsVw49kfWr7YegRyZt6qh7XndtlnIWCS0p4mquprsxk2UUWUaWG81M83zY8tKz6q3usL7cRNCEaaMlemIqgyRTALsR5Irg5aLAErKp3u4zUx2i4ZCpP07A5i6khPMcS/9GEjv1EbkUOIIt93HeZ66u8CsTumxCdzfIwlgC+z/ZRhJb7pMvpzOsD95kRxlXzgz47PWSNP8G4+tfsfHBO3xx7QGvasJcTCgI1BM77nM/m+Jh/4D8mzRLTxkOwewpyqUlxo9HDN59n3owx51rm9zpDSET7gl8vAIF1vj4gxTCIbr9fSgKTpQlMT3EW0fHRRv0t2yBhBVYQZ5sli4s8N75RS70a/68/R0dp2n3f2dqsMCp6ZLd8QE9+wVZvDZ/kouXFuHbtRv+B3Wdb3/+iX+7d883P/3Ym2tf27YPqol/GW177dbP/v7uIz/bGdu2V1dXzfr6ul8k6tp7P933weOR/4+VlRXnthmNRlRVRdM02CalRL86ZLCxQVmWlGVJURTkeY5t6rpmb28PSeS2f9ze3l5u2/ampKcppei6bjaltACclXQeOAcs2p6W5IjYsv1D0zTLfwFieroLYUFKvwAAAABJRU5ErkJggg==",
                            "width": "20px",
                            "height": "13px"
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                    "horizontalAlignment": "Center",
                    "verticalContentAlignment": "Center"
                }
            ],
            "horizontalAlignment": "Center",
            "separator": true,
            "bleed": true,
            "id": "flags"
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    ]
}
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