Just Upgraded from 2026.5.3 to 2026.6.0 & it no longer starts.
Shows as Running in the Settings/Apps & have tried resetting defaults & a full reboot.
Running a standard x86 build on an i5 NUC.
All other upgrades current.
Log File Attached.
(Inserted as I don't seem to see file attachment options).
=====================================================================
WARNING: Dashboard is running WITHOUT AUTHENTICATION.
Anyone with network access to 0.0.0.0:6052 can manage your devices.
Set $ESPHOME_USERNAME / $ESPHOME_PASSWORD env vars to enable.
======================================================================e[0m
e[31m2026-06-19 07:57:12.774 ERROR (MainThread) [root] Uncaught exception
Traceback (most recent call last):
File "/usr/local/bin/esphome-device-builder", line 10, in <module>
sys.exit(main())
~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 367, in main
_serve_until_stop(device_builder)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 380, in _serve_until_stop
device_builder.run()
~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/device_builder.py", line 863, in run
raise RuntimeError(msg)
RuntimeError: Refusing to start: DISABLE_HA_AUTHENTICATION forces public-port auth, but the HA add-on is ingress-only by design and doesn't expose USERNAME/PASSWORD options. Turn "Disable external authentication" off to use ingress-only mode, or run the standalone PyPI install for password-gated LAN access. See README "Home Assistant add-on".e[0m
[07:57:12] INFO: e[32mService ESPHome Device Builder exited with code 1 (by signal 0)e[0m
[07:57:13] INFO: e[32mStarting ESPHome Device Builder...e[0m
e[33m2026-06-19 07:57:14.602 WARNING (MainThread) [esphome_device_builder]
======================================================================
WARNING: Dashboard is running WITHOUT AUTHENTICATION.
Anyone with network access to 0.0.0.0:6052 can manage your devices.
Set $ESPHOME_USERNAME / $ESPHOME_PASSWORD env vars to enable.
======================================================================e[0m
e[31m2026-06-19 07:57:14.603 ERROR (MainThread) [root] Uncaught exception
Traceback (most recent call last):
File "/usr/local/bin/esphome-device-builder", line 10, in <module>
sys.exit(main())
~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 367, in main
_serve_until_stop(device_builder)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 380, in _serve_until_stop
device_builder.run()
~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/device_builder.py", line 863, in run
raise RuntimeError(msg)
RuntimeError: Refusing to start: DISABLE_HA_AUTHENTICATION forces public-port auth, but the HA add-on is ingress-only by design and doesn't expose USERNAME/PASSWORD options. Turn "Disable external authentication" off to use ingress-only mode, or run the standalone PyPI install for password-gated LAN access. See README "Home Assistant add-on".e[0m
[07:57:14] INFO: e[32mService ESPHome Device Builder exited with code 1 (by signal 0)e[0m
[07:57:15] INFO: e[32mStarting ESPHome Device Builder...e[0m
e[33m2026-06-19 07:57:16.405 WARNING (MainThread) [esphome_device_builder]
======================================================================
WARNING: Dashboard is running WITHOUT AUTHENTICATION.
Anyone with network access to 0.0.0.0:6052 can manage your devices.
Set $ESPHOME_USERNAME / $ESPHOME_PASSWORD env vars to enable.
======================================================================e[0m
e[31m2026-06-19 07:57:16.405 ERROR (MainThread) [root] Uncaught exception
Traceback (most recent call last):
File "/usr/local/bin/esphome-device-builder", line 10, in <module>
sys.exit(main())
~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 367, in main
_serve_until_stop(device_builder)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 380, in _serve_until_stop
device_builder.run()
~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/device_builder.py", line 863, in run
raise RuntimeError(msg)
RuntimeError: Refusing to start: DISABLE_HA_AUTHENTICATION forces public-port auth, but the HA add-on is ingress-only by design and doesn't expose USERNAME/PASSWORD options. Turn "Disable external authentication" off to use ingress-only mode, or run the standalone PyPI install for password-gated LAN access. See README "Home Assistant add-on".e[0m
[07:57:16] INFO: e[32mService ESPHome Device Builder exited with code 1 (by signal 0)e[0m
[07:57:17] INFO: e[32mStarting ESPHome Device Builder...e[0m
e[33m2026-06-19 07:57:18.244 WARNING (MainThread) [esphome_device_builder]
======================================================================
WARNING: Dashboard is running WITHOUT AUTHENTICATION.
Anyone with network access to 0.0.0.0:6052 can manage your devices.
Set $ESPHOME_USERNAME / $ESPHOME_PASSWORD env vars to enable.
======================================================================e[0m
e[31m2026-06-19 07:57:18.245 ERROR (MainThread) [root] Uncaught exception
Traceback (most recent call last):
File "/usr/local/bin/esphome-device-builder", line 10, in <module>
sys.exit(main())
~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 367, in main
_serve_until_stop(device_builder)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 380, in _serve_until_stop
device_builder.run()
~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/device_builder.py", line 863, in run
raise RuntimeError(msg)
RuntimeError: Refusing to start: DISABLE_HA_AUTHENTICATION forces public-port auth, but the HA add-on is ingress-only by design and doesn't expose USERNAME/PASSWORD options. Turn "Disable external authentication" off to use ingress-only mode, or run the standalone PyPI install for password-gated LAN access. See README "Home Assistant add-on".e[0m
[07:57:18] INFO: e[32mService ESPHome Device Builder exited with code 1 (by signal 0)e[0m
[07:57:19] INFO: e[32mStarting ESPHome Device Builder...e[0m
e[33m2026-06-19 07:57:20.061 WARNING (MainThread) [esphome_device_builder]
======================================================================
WARNING: Dashboard is running WITHOUT AUTHENTICATION.
Anyone with network access to 0.0.0.0:6052 can manage your devices.
Set $ESPHOME_USERNAME / $ESPHOME_PASSWORD env vars to enable.
======================================================================e[0m
e[31m2026-06-19 07:57:20.062 ERROR (MainThread) [root] Uncaught exception
Traceback (most recent call last):
File "/usr/local/bin/esphome-device-builder", line 10, in <module>
sys.exit(main())
~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 367, in main
_serve_until_stop(device_builder)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 380, in _serve_until_stop
device_builder.run()
~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/device_builder.py", line 863, in run
raise RuntimeError(msg)
RuntimeError: Refusing to start: DISABLE_HA_AUTHENTICATION forces public-port auth, but the HA add-on is ingress-only by design and doesn't expose USERNAME/PASSWORD options. Turn "Disable external authentication" off to use ingress-only mode, or run the standalone PyPI install for password-gated LAN access. See README "Home Assistant add-on".e[0m
[07:57:20] INFO: e[32mService ESPHome Device Builder exited with code 1 (by signal 0)e[0m
[07:57:21] INFO: e[32mStarting ESPHome Device Builder...e[0m
e[33m2026-06-19 07:57:21.878 WARNING (MainThread) [esphome_device_builder]
======================================================================
WARNING: Dashboard is running WITHOUT AUTHENTICATION.
Anyone with network access to 0.0.0.0:6052 can manage your devices.
Set $ESPHOME_USERNAME / $ESPHOME_PASSWORD env vars to enable.
======================================================================e[0m
e[31m2026-06-19 07:57:21.879 ERROR (MainThread) [root] Uncaught exception
Traceback (most recent call last):
File "/usr/local/bin/esphome-device-builder", line 10, in <module>
sys.exit(main())
~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 367, in main
_serve_until_stop(device_builder)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 380, in _serve_until_stop
device_builder.run()
~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/device_builder.py", line 863, in run
raise RuntimeError(msg)
RuntimeError: Refusing to start: DISABLE_HA_AUTHENTICATION forces public-port auth, but the HA add-on is ingress-only by design and doesn't expose USERNAME/PASSWORD options. Turn "Disable external authentication" off to use ingress-only mode, or run the standalone PyPI install for password-gated LAN access. See README "Home Assistant add-on".e[0m
[07:57:21] INFO: e[32mService ESPHome Device Builder exited with code 1 (by signal 0)e[0m
[07:57:23] INFO: e[32mStarting ESPHome Device Builder...e[0m
e[33m2026-06-19 07:57:23.716 WARNING (MainThread) [esphome_device_builder]
======================================================================
WARNING: Dashboard is running WITHOUT AUTHENTICATION.
Anyone with network access to 0.0.0.0:6052 can manage your devices.
Set $ESPHOME_USERNAME / $ESPHOME_PASSWORD env vars to enable.
======================================================================e[0m
e[31m2026-06-19 07:57:23.717 ERROR (MainThread) [root] Uncaught exception
Traceback (most recent call last):
File "/usr/local/bin/esphome-device-builder", line 10, in <module>
sys.exit(main())
~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 367, in main
_serve_until_stop(device_builder)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 380, in _serve_until_stop
device_builder.run()
~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/device_builder.py", line 863, in run
raise RuntimeError(msg)
RuntimeError: Refusing to start: DISABLE_HA_AUTHENTICATION forces public-port auth, but the HA add-on is ingress-only by design and doesn't expose USERNAME/PASSWORD options. Turn "Disable external authentication" off to use ingress-only mode, or run the standalone PyPI install for password-gated LAN access. See README "Home Assistant add-on".e[0m
[07:57:23] INFO: e[32mService ESPHome Device Builder exited with code 1 (by signal 0)e[0m
[07:57:24] INFO: e[32mStarting ESPHome Device Builder...e[0m
e[33m2026-06-19 07:57:25.589 WARNING (MainThread) [esphome_device_builder]
======================================================================
WARNING: Dashboard is running WITHOUT AUTHENTICATION.
Anyone with network access to 0.0.0.0:6052 can manage your devices.
Set $ESPHOME_USERNAME / $ESPHOME_PASSWORD env vars to enable.
======================================================================e[0m
e[31m2026-06-19 07:57:25.589 ERROR (MainThread) [root] Uncaught exception
Traceback (most recent call last):
File "/usr/local/bin/esphome-device-builder", line 10, in <module>
sys.exit(main())
~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 367, in main
_serve_until_stop(device_builder)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 380, in _serve_until_stop
device_builder.run()
~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/device_builder.py", line 863, in run
raise RuntimeError(msg)
RuntimeError: Refusing to start: DISABLE_HA_AUTHENTICATION forces public-port auth, but the HA add-on is ingress-only by design and doesn't expose USERNAME/PASSWORD options. Turn "Disable external authentication" off to use ingress-only mode, or run the standalone PyPI install for password-gated LAN access. See README "Home Assistant add-on".e[0m
[07:57:25] INFO: e[32mService ESPHome Device Builder exited with code 1 (by signal 0)e[0m
[07:57:26] INFO: e[32mStarting ESPHome Device Builder...e[0m
e[33m2026-06-19 07:57:27.370 WARNING (MainThread) [esphome_device_builder]
======================================================================
WARNING: Dashboard is running WITHOUT AUTHENTICATION.
Anyone with network access to 0.0.0.0:6052 can manage your devices.
Set $ESPHOME_USERNAME / $ESPHOME_PASSWORD env vars to enable.
======================================================================e[0m
e[31m2026-06-19 07:57:27.370 ERROR (MainThread) [root] Uncaught exception
Traceback (most recent call last):
File "/usr/local/bin/esphome-device-builder", line 10, in <module>
sys.exit(main())
~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 367, in main
_serve_until_stop(device_builder)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/__main__.py", line 380, in _serve_until_stop
device_builder.run()
~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.13/site-packages/esphome_device_builder/device_builder.py", line 863, in run
raise RuntimeError(msg)
RuntimeError: Refusing to start: DISABLE_HA_AUTHENTICATION forces public-port auth, but the HA add-on is ingress-only by design and doesn't expose USERNAME/PASSWORD options. Turn "Disable external authentication" off to use ingress-only mode, or run the standalone PyPI install for password-gated LAN access. See README "Home Assistant add-on".e[0m
[07:57:27] INFO: e[32mService ESPHome Device Builder exited with code 1 (by signal 0)e[0m
[07:57:28] INFO: e[32mStarting ESPHome Device Builder...e[0m


