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Esri recently released version 4 of the ArcGIS Server JavaScript API - see https://developers.arcgis.com/javascript/ and https://developers.arcgis.com/javascript/latest/guide/choose-version/index.html

This is a substantial re-write compared to version 3.x with seemingly every class, method and event receiving an update. There are also new functions relating to 3D web maps.

Errors, questions and problems for this version are likely to be different compared to version 3.x. Do we need a new GIS-SE tag to handle this?

  • Of the questions currently tagged arcgis-javascript-api can you estimate what percentage would be 2.x, 3.x and 4.x? I'm thinking about what would be the implication of renaming the current tag to *-3 and then coining a new one for *-4, but am worried that there may have been lots of *-2. – PolyGeo♦ May 24 '16 at 5:17
  • I just did a test creation of an arcgis-javascript-api-2 tag on our oldest identifiable (to me) ArcGIS API for JavaScript 2.0 question. I wanted to make sure that it wasn't too many characters. – PolyGeo♦ May 24 '16 at 11:21
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    Also the current 4 release is missing a lot of functionality that 3 has. This missing functionality will gradually be added back in later 4 releases but I think there could initially be a lot of confusion if there aren't separate tags. – Dowlers May 24 '16 at 16:03
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    I favor adding arcgis-javascript-api-4.x. I don't think it's worth the effort to retag all 1515 questions to arcgis-javascript-api-3.x or arcgis-javascript-api-2.x though. – Kirk Kuykendall May 24 '16 at 17:54
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We all seem to be in agreement, so I have created tags for and to accompany while leaving in place.

I suggest that use of and be encouraged and that no longer be used.

When questions are edited for other purposes I would encourage replacement of the generic tag with the appropriate version tag but I see no need for systematic retagging.

If you need to find all ArcGIS API for JavaScript questions type [arcgis-javascript-api*] into the search bar which explodes it out to search all four tags at once.

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