Since which PS version are UXP plugins available?

Photoshop UXP Plugin API
1

I’m about to launch my plugin but I cannot make my plugin to be loaded in some PS versions, which versions supports UXP plugins and what should I include in the manifest to make it work from the oldest PS that suspports UXP?

This is my manifest:

{
  "id": "ONIRICUXP",
  "name": "Oniric v2.1 (UXP)",
  "version": "2.1.0",
  "main": "index.js",
  "host": [
    {
      "app": "PS",
      "minVersion": "23.0.0",
      "data": {
        "apiVersion": 2,
        "loadEvent": "use"
      }
    }
  ],
  "requiredPermissions": {
    "localFileSystem": "fullAccess",
    "launchProcess": {
      "extensions": [
        ""
      ],
      "schemes": [
        "https"
      ]
    },
    "network": {
      "domains": "all"
    },
    "allowCodeGenerationFromStrings": true
  },
  "manifestVersion": 5,
  "entrypoints": [
    {
      "type": "panel",
      "id": "oniricUXP",
      "minimumSize": {
        "width": 260,
        "height": 290
      },
      "maximumSize": {
        "width": 1000,
        "height": 2160
      },
      "preferredDockedSize": {
        "width": 260,
        "height": 950
      },
      "preferredFloatingSize": {
        "width": 260,
        "height": 950
      },
      "label": {
        "default": "Oniric v2.1 (UXP)"
      },
      "icons": [
        {
          "width": 23,
          "height": 23,
          "path": "icons/oniric.png",
          "scale": [
            1,
            2
          ],
          "theme": [
            "dark",
            "darkest",
            "medium",
            "light",
            "lightest",
            "all"
          ]
        }
      ]
    }
  ],
  "icons": [
    {
      "width": 48,
      "height": 48,
      "path": "icons/on.png",
      "scale": [
        1,
        2
      ],
      "theme": [
        "darkest",
        "dark",
        "medium",
        "lightest",
        "light"
      ],
      "species": [ "pluginList" ]
    }
  ],
  "runOnStartup": true
}

I cannot make it work on PS version 23.0 or another than the latest.

2

Thinking out loud here, but is it less a problem of which PS version supports UXP and more a case of which supports API 2?

3

I’m just going installing each version and watching which one loads the plugin.

4

So I’ve tried all PS versions, and seems that API v2 works fine since Photoshop v22.3 and later. Downgrading PS version doesn’t show the plugin under Plugins menu.

I guess API v1 would show it on older PS versions but as for my plugin workflow, API v1 doesn’t work that’s why I changed to API v2.

5

Check this post. Apparently something broke and plugins need to be on the same drive as OS :confused: Don’t know if this will work for you

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