Issues

• Stale NCP source route is never invalidated after SOURCE_ROUTE_FAILURE; end device unreachable until re-pair

  needs more information
  Bug

  zigpy/bellows#772 · Filter by author tsmvp opened on Oct 28, 2026
  2

• set_extended_timeout: clearing for acked sends only affects devices behind routers, no-op round-trips for own children, random address table eviction

  Bug

  zigpy/bellows#765 · Filter by author zigpy-review-bot opened on Oct 10, 2026

• Message-sent timeouts (3 s / 8 s) are shorter than EmberZNet's APS retry windows

  Bug

  zigpy/bellows#764 · Filter by author zigpy-review-bot opened on Oct 10, 2026

• connection_lost() tears down the worker loop before notifying the application, so disconnect() races the teardown

  Bug

  zigpy/bellows#745 · Filter by author jetliuzhe opened on Aug 22, 2026
  7

• ThreadsafeProxy can still raise RuntimeError: Event loop is closed — remaining check-then-use race after #727/#739

  Bug

  zigpy/bellows#740 · Filter by author zigpy-review-bot opened on Jul 29, 2026

• Bellows with standard firmware is not subscribing to new groups

  Bug

  zigpy/bellows#736 · Filter by author MattWestb opened on Jul 24, 2026

• Persistent ERROR_EXCEEDED_MAXIMUM_ACK_TIMEOUT_COUNT — reproduces on two different EZSP radios (ZBT-1 and ZBT-2

  Radio librariesFilter by Area: Radio libraries

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  Bug

  zigpy/bellows#735 · Filter by author Heinrich-git opened on Jul 23, 2026
  22

• Add formal support for EZSP v19 (EZSP Protocol Version 19 == 0x13) in bellows

  Feature

  zigpy/bellows#731 · Filter by author Hedda opened on Jul 16, 2026
  1

• EZSP over TCP does not recover after ConnectionResetError and emits unawaited SerialProtocol.disconnect warning

  Bug

  zigpy/bellows#729 · Filter by author mtdnet opened on Jul 15, 2026

• Time to list EmberZNet firmware older than EmberZNet 6.7.x + adapters based on EFR32MG1x and older as "deprecated" in readme and upstream?

  Task

  zigpy/bellows#726 · Filter by author Hedda opened on Jun 24, 2026
  9

• Please enable Private Vulnerability Reporting for responsible disclosure

  Task

  zigpy/bellows#723 · Filter by author lirik173 opened on May 27, 2026
  3

• Possible issue: ThreadsafeProxy silently returns None when proxied event loop is closed, causing 'NoneType' object can't be awaited downstream

  Bug

  zigpy/bellows#722 · Filter by author zigpy-review-bot opened on May 26, 2026

• Possible race in send_packet: AttributeError on _ezsp.set_extended_timeout when disconnect() runs concurrently

  Bug

  zigpy/bellows#721 · Filter by author zigpy-review-bot opened on May 26, 2026
  1

• gpepIncomingMessageHandler fails to parse GPDFs from Friends of Hue switches (EZSP v ? - ZBT-1)

  Radio librariesFilter by Area: Radio libraries
  Bug

  zigpy/bellows#712 · Filter by author nmingam opened on Apr 23, 2026

• Potential issue with events in bellows for IKEA Bilresa 2 button remote?

  Radio librariesFilter by Area: Radio libraries

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  Bug

  zigpy/bellows#708 · Filter by author iamjoshk opened on Jan 14, 2026
  29

• ZHA fails to create network after upgrading EFR32MG21 firmware to 8.0.2 on Dusun DSGW-210

  firmware bug
  Bug

  zigpy/bellows#675 · Filter by author ErKeye opened on May 28, 2025
  10

• Exception when adding device using Home Assistant ZHA.

  Bug

  zigpy/bellows#670 · Filter by author hbjorgo opened on Mar 10, 2025
  3

• Move bellows CLI instructions from README.md to seperate CLI.md or TOOLS.md file?

  documentation
  Task

  zigpy/bellows#613 · Filter by author Hedda opened on Mar 4, 2024

• Low Transmission Power

  Feature

  zigpy/bellows#446 · Filter by author alelucc opened on Jan 23, 2022
  6

• eachen ewelink will not reconnect after power cycle.

  Bug

  zigpy/bellows#440 · Filter by author R5fan opened on Oct 12, 2021
  19

• Bellows CLI scan results in error if no channels are specified ("AttributeError: 'list' object has no attribute 'split'")

  Bug

  zigpy/bellows#437 · Filter by author mt0321 opened on Sep 12, 2021
  1

• Problem with Tradfri remote: Unexpected message send notification tag: 0

  Bug

  zigpy/bellows#432 · Filter by author zraken opened on Aug 9, 2021
  5

• How to run Zigbee co-ordinator application based on ZM35X in Linux RPI4 platform

  question
  zigpy/bellows#431 · Filter by author RoyAnupam opened on Jul 27, 2021
  23

• [Future request] NCP Router mode

  Feature

  zigpy/bellows#420 · Filter by author MattWestb opened on May 10, 2021

• Devices Offline / Trouble Shooting Guide

  support
  zigpy/bellows#419 · Filter by author MrYutz opened on May 9, 2021
  14