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homebridge-smartthings (BUG) All devices ‘unavailable’ sometimes

Verify the following before opening an trouble issue

Go over all the following points, and put an x in all the boxes that apply. If you're unsure about any of these, don't hesitate to ask. We're here to help!

  • [x] That OAuth is Enabled for the SmartApp under the IDE.
  • [x] The SmartApp and Device Handler are using the latest code available.
  • [x] That Both the SmartApps and Device Handlers have been Published for You in the IDE.

About Your Setup

  • How many devices are detected?: All of then
  • Mobile App Version(Not required):
  • SmartApp Version: 2.3.8
  • Device Handler Version: 2.3.3
  • Homebridge Version: 1.2.3
  • NodeJS Version: 12.11.1

Expected Behavior

All devices showing their status

Current Behavior

Around 1 in 10 times opening Home app, all devices show ‘unavailable’

Steps to Reproduce (for bugs)

Provide a link to a live example, or an unambiguous set of steps to reproduce this bug. Include code to reproduce, if relevant


Running the 2.3.8 SmartThings homebridge app and since the major update from 2.3.6, I’m getting a weird issue. If I open the home app using an iPhone 11, the device screen will sometimes hang and then say all devices are unavailable. If I tap any device (shown in the first photo) it will change from ‘no response’, and it will operate or if I navigate off the the initial screen to a room and then back, all devices then show fine. Waiting for a while on the initial screen changes nothing and they all show unavailable until I do something. This happens about 1 in 10 times I open the home app.

Homebridge running on a RPi3B+. Homekit server is a Apple TV4 with iPad 8th Gen as backup.

This issue also creates a bigger problem that if I request an action via Siri on the iOS device to operate something, Siri reports that ‘it didn’t hear back from the device’. Takes a 2nd request to do it.

I have phone screenshots showing issues too.

Please include a copy of any relevant log output to assist in tracking down the bug

That's a useful answer
Without any help

Updated homebridge from 1.2.3 to 1.3.4 Will see if issue persists.