Plex Web Doesn't Work on Chromebook

Plex Players
1

I have a working Plex Media Server, I can stream content on all devices, LG OLED, Roku, Kodi, Windows 10 (chrome./firefox), Mac OS X (chrome/firefox), but not on Chromebook

Unable to play any media
Server: Version 1.22.0.4163
Client: Web Debug

[
  {
    "type": "info",
    "host": "app.plex.tv",
    "userAgent": "Mozilla/5.0 (X11; CrOS x86_64 12239.92.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.136 Safari/537.36",
    "browser": {
      "platformVersion": "12239.92",
      "id": "chrome",
      "name": "Chrome",
      "version": "76.0",
      "webkit": true,
      "platform": "Chrome OS",
      "platformID": "chromeos",
      "platformModifierKey": "ctrl"
    },
    "version": "4.53.0",
    "primaryServerUrl": "https://10-1-10-40.6f8a6625166449a4b59ef24d8c3d09d2.plex.direct:32400/",
    "primaryServerAuthToken": true,
    "username": "crlorentzen",
    "cloudUrl": [
      {
        "scheme": "https",
        "address": "plex.tv",
        "uri": "https://plex.tv",
        "testState": "connected",
        "isBundled": false,
        "isFallback": false,
        "relay": false,
        "isUntested": false,
        "isPending": false,
        "isConnected": true,
        "isUnauthorized": false,
        "isUnavailable": false,
        "isFailed": false,
        "isAborted": false,
        "isLoopback": false,
        "isPrivate": false,
        "isHttps": true,
        "isSecure": true,
        "isPlexDirect": false,
        "currentTest": null,
        "sources": [
          {
            "id": "internal"
          }
        ]
      }
    ]
  }
]

I see errors on the console each time I click on a media item. The page does not go to a player window. I wonder if Plex Web is expecting certain web/js features that are not available on the chromebook…?
Console logs attached
app.plex.tv-1616125576819.log (22.0 KB)

e.g

chunk-4-333fc26d3f54e95554f2-plex-4.53.0-12fba3f.js:17 TypeError: Failed to execute 'setActionHandler' on 'MediaSession': The provided value 'stop' is not a valid enum value of type MediaSessionAction.
...
chunk-4-333fc26d3f54e95554f2-plex-4.53.0-12fba3f.js:17 {
  "type": "[object Error]",
  "stack": "TypeError: Failed to execute 'setActionHandler' on 'MediaSession': The provided value 'stop' is not a valid enum value of type MediaSessionAction.\n    at BFe._startListening (https://assets.plex.tv/deploys/desktop/env-7493df1235337ac2121847e7ee4ebe69/4.53.0-12fba3f/js/chunk-2-0d9357b84a96af442072-plex-4.53.0-12fba3f.js:9:2522928)\n    at BFe.componentDidMount (https://assets.plex.tv/deploys/desktop/env-7493df1235337ac2121847e7ee4ebe69/4.53.0-12fba3f/js/chunk-2-0d9357b84a96af442072-plex-4.53.0-12fba3f.js:9:2522198)\n    at du (https://assets.plex.tv/deploys/desktop/env-7493df1235337ac2121847e7ee4ebe69/4.53.0-12fba3f/js/chunk-4-333fc26d3f54e95554f2-plex-4.53.0-12fba3f.js:184:85625)\n    at js (https://assets.plex.tv/deploys/desktop/env-7493df1235337ac2121847e7ee4ebe69/4.53.0-12fba3f/js/chunk-4-333fc26d3f54e95554f2-plex-4.53.0-12fba3f.js:184:102683)\n    at t.unstable_runWithPriority (https://assets.plex.tv/deploys/desktop/env-7493df1235337ac2121847e7ee4ebe69/4.53.0-12fba3f/js/chunk-4-333f...",
  "name": "TypeError",
  "message": "Failed to execute 'setActionHandler' on 'MediaSession': The provided value 'stop' is not a valid enum value of type MediaSessionAction."
}
2

Is that the Chrome OS version? That’s quite old if it is.

3

Yes, this chromebook is not being provided updates from Google since July 2019 IIRC. So I guess it is stuck there.

Testing:

  • Installed an old Windows VM with Chrome 67 (accidental transposition) worked correctly.
    • This matches with my memory that the Chromebook used to work.
  • Windows VM with Chome 76 fails in the same way.

It looks like it is a Chrome bug in 76 that broke this. I guess my Chromebookis a bit of a brick when it comes to Plex support now.

Thanks

4

I think I may be in the same boat as you. My Chromebook and nothing else is not connecting. I’m using an Acer C720 and they stopped supporting it in July 2019.

Not finding any hits so far but do you know if it’s possible to downgrade the Chrome browser version?

5

I have not seen a way to downgrade…the idea I have looked at, but am not ready to try, is to “upgrade” to ReadyCloud OS

One Example Guide: Install CloudReady for Chrome Updates (or another OS) - iFixit Repair Guide

You will need to do some leg work to determine if your specific device is supported, and has the available guidance…of course we might make our devices actual bricks trying to do this.

6

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