Hello,
We are in the process of upgrading from 3.18 to 4.24. It's taking longer than expected so I'd like to know how long we have. I understand that support for 3.18 is no longer active, but when will it be unavailable and unusable altogether?
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Hi @Rmoser3 Retired API releases will continue to be hosted on our CDN for the foreseeable future (so apps built against retired versions of the API will continue to work).-- from the footnotes on https://support.esri.com/en/Products/Developers/web-apis/arcgis-api-for-javascript/#product-support and also on https://developers.arcgis.com/javascript/3/jshelp/whats_new.html
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