https://community.esri.com/t5/developers-ideas/cdn-support-for-coop-coep-and-corp/idi-p/1120157 <P><SPAN>I'm working on a PWA with Web assembly that requires our server to be in a Cross Origin Isolated state.&nbsp; This is relatively new in the Web world.&nbsp; It means our server must supply the COOP and COEP headers in our responses to the client.&nbsp; The COEP header must have the value of require-corp.&nbsp; This unlocks API's like SharedArrayBuffers, which is a requirement for my application. Since Arcgis's CDN does not provide the CORP header,&nbsp; external cross origin assets can not be loaded.&nbsp; I have been able to host the API on our server, but the Base Map Gallery tries to download thumbnails from an external CDN which fail.&nbsp; &nbsp;</SPAN></P><P><SPAN>Here is a document explaining what COOP and COEP mean and why developers need this support.</SPAN></P><P><SPAN><A title="COOP and COEP explained" href="https://docs.google.com/document/d/1zDlfvfTJ_9e8Jdc8ehuV4zMEu9ySMCiTGMS9y0GU92k/edit#" target="_self">https://docs.google.com/document/d/1zDlfvfTJ_9e8Jdc8ehuV4zMEu9ySMCiTGMS9y0GU92k/edit#</A>&nbsp;</SPAN></P><P>It would be nice if the Arcgis CDN supported this header for developers who work in a Cross Origin Isolated page.</P> Wed, 24 Nov 2021 22:35:23 GMT JonMullen 2021-11-24T22:35:23Z https://community.esri.com/t5/developers-ideas/cdn-support-for-coop-coep-and-corp/idi-p/1120157 <P><SPAN>I'm working on a PWA with Web assembly that requires our server to be in a Cross Origin Isolated state.&nbsp; This is relatively new in the Web world.&nbsp; It means our server must supply the COOP and COEP headers in our responses to the client.&nbsp; The COEP header must have the value of require-corp.&nbsp; This unlocks API's like SharedArrayBuffers, which is a requirement for my application. Since Arcgis's CDN does not provide the CORP header,&nbsp; external cross origin assets can not be loaded.&nbsp; I have been able to host the API on our server, but the Base Map Gallery tries to download thumbnails from an external CDN which fail.&nbsp; &nbsp;</SPAN></P><P><SPAN>Here is a document explaining what COOP and COEP mean and why developers need this support.</SPAN></P><P><SPAN><A title="COOP and COEP explained" href="https://docs.google.com/document/d/1zDlfvfTJ_9e8Jdc8ehuV4zMEu9ySMCiTGMS9y0GU92k/edit#" target="_self">https://docs.google.com/document/d/1zDlfvfTJ_9e8Jdc8ehuV4zMEu9ySMCiTGMS9y0GU92k/edit#</A>&nbsp;</SPAN></P><P>It would be nice if the Arcgis CDN supported this header for developers who work in a Cross Origin Isolated page.</P> Wed, 24 Nov 2021 22:35:23 GMT https://community.esri.com/t5/developers-ideas/cdn-support-for-coop-coep-and-corp/idi-p/1120157 JonMullen 2021-11-24T22:35:23Z https://community.esri.com/t5/developers-ideas/cdn-support-for-coop-coep-and-corp/idc-p/1120170#M1104 Wed, 24 Nov 2021 22:35:30 GMT https://community.esri.com/t5/developers-ideas/cdn-support-for-coop-coep-and-corp/idc-p/1120170#M1104 John-Foster 2021-11-24T22:35:30Z