Issues

• Multiple Sleepy End Devices become persistently unreachable across different parents; recover only after parent or endpoint restart

  openthread/openthread#13701 · Filter by author DriesA opened on Oct 10, 2026
  1

• Native mDNS responder uses 100% CPU when a single LAN host floods repeated QU AAAA queries

  openthread/openthread#13673 · Filter by author bryanm182005 opened on Oct 4, 2026
  2

• [radio] factoryreset does not clear user-configured radio properties on RCP platforms

  openthread/openthread#13667 · Filter by author BCo14 opened on Oct 2, 2026
  1

• [posix] the TmpStorage filename is always 0_0-tmp.data - filename clash between nodes

  openthread/openthread#13627 · Filter by author EskoDijk opened on Sep 19, 2026

• [posix] -d/--debug-level has no effect: the level is set before the instance is constructed

  openthread/openthread#13625 · Filter by author clara-mostly-human opened on Sep 18, 2026
  3

• SrpServer intermittently fails with "Failed to handle DNS message - Drop" when host registers multiple services simultaneously (new Matter commissionable device blocked)

  openthread/openthread#13607 · Filter by author vaneeDutch opened on Sep 12, 2026
  5

• [ci] multipan-RCP unit test is never run in CI

  openthread/openthread#13575 · Filter by author EskoDijk opened on Sep 2, 2026

• [csl] otPlatRadioSleep() expected behavior and delayed-sleep handling

  openthread/openthread#13503 · Filter by author abtink opened on Aug 14, 2026
  4

• multi-part AES-CCM* platform API

  openthread/openthread#13486 · Filter by author suveshpratapa opened on Aug 10, 2026
  3

  

• script/install_socat downloads and executes an unverified archive over HTTP

  openthread/openthread#13357 · Filter by author OneThing4101 opened on Jul 16, 2026

• Split RadioSpinel out of src/lib/spinel/ to make Spinel a truly standalone library

  openthread/openthread#13322 · Filter by author zwx1995esp opened on Jul 9, 2026

• Wireshark (tshark) 6LoWPAN Context ID Decoding & Impact on various tests (1_3_DBR_TC_1)

  openthread/openthread#13318 · Filter by author abtink opened on Jul 8, 2026

• OTBR drops joining Matter device frames with error:Duplicated and error:Security

  openthread/openthread#13314 · Filter by author IgorGreenIGM opened on Jul 7, 2026
  3

• [spinel/radio] inconsistency in use of otPlatRadioReceiveAt and spinel SPINEL_PROP_MAC_RX_AT.

  openthread/openthread#13269 · Filter by author abtink opened on Jun 23, 2026
  1

• [coap] OSCORE (RFC 8613) requires pre-dispatch hook — URI-Path routing forces spec-violating outer plaintext

  openthread/openthread#13234 · Filter by author rwrozelle opened on Jun 11, 2026

• [ip6] improve IPv6 fragment handling experience

  comp: ip6
  openthread/openthread#13230 · Filter by author kderda opened on Jun 10, 2026
  3

• Thread Direct implementation (Thread 2.0)

  openthread/openthread#13124 · Filter by author suveshpratapa opened on May 19, 2026
  1

• Dataset Manager: Partial Active Dataset missing Mesh-Local Prefix can cause failure

  openthread/openthread#13080 · Filter by author sarveshkumarv3 opened on May 7, 2026
  8

• [CoAP] Add FETCH method (RFC 8132) and OSCORE option (RFC 8613) support

  openthread/openthread#12838 · Filter by author rohitpat1991 opened on Apr 6, 2026

• Coap support Round Trip Time (RTT) link ping sender

  openthread/openthread#12425 · Filter by author WestChau opened on Feb 12, 2026

• Muticast COAP Support issue

  openthread/openthread#12423 · Filter by author WestChau opened on Feb 12, 2026

• [script] ./script test expect fails with 'expect' tool not found

  openthread/openthread#12412 · Filter by author EskoDijk opened on Feb 11, 2026

• [tcat] Task: replace numeric constant values by named constants in TCAT Commissioner

  openthread/openthread#12321 · Filter by author EskoDijk opened on Jan 21, 2026

• [tcat] TCAT Commissioner may go into infinite loop waiting for BLE data

  openthread/openthread#12314 · Filter by author EskoDijk opened on Jan 20, 2026

• use_of_uninitialized_value warning from msan.

  openthread/openthread#12270 · Filter by author bukepo opened on Jan 7, 2026
  7