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1 | 1 | ## Release Notes |
2 | 2 |
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3 | 3 | ### v2.0.0 (03/20/2026) |
4 | | -Release 1.21.0 has been developed according to wolfSSL's development and QA |
| 4 | +Release 2.0.0 has been developed according to wolfSSL's development and QA |
5 | 5 | process (see link below) and successfully passed the quality criteria. |
6 | 6 | https://www.wolfssl.com/about/wolfssl-software-development-process-quality-assurance |
7 | 7 |
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8 | 8 | #### New Features |
9 | | -* Lightweight MQTT Broker — New built-in MQTT broker implementation (#457) with: |
10 | | -* MQTT v3.1.1 spec compliance checks (#462) |
11 | | -* Secure and non-secure port listening support (#465) |
12 | | -* WebSocket transport support (#466) |
13 | | -* wolfIP (embedded TCP/IP stack) support (#463) |
14 | | -* Retained messages, session persistence, graceful disconnect, QoS subscription updates (#465) |
15 | | -* libFuzzer-based broker fuzzing infrastructure (#474) |
16 | | -* wolfIP Integration — Added wolfIP support for both MQTT client and broker (#463) |
17 | | -* lastError Field — Preserve TLS error code via new lastError in the network context (#458) |
18 | | - |
| 9 | + * Lightweight MQTT Broker — New built-in MQTT broker implementation (#457) |
| 10 | + * MQTT v3.1.1 spec compliance checks (#462) |
| 11 | + * Secure and non-secure port listening support (#465) |
| 12 | + * WebSocket transport support (#466) |
| 13 | + * wolfIP (embedded TCP/IP stack) support (#463) |
| 14 | + * Retained messages, session persistence, graceful disconnect, QoS subscription updates (#465) |
| 15 | + * libFuzzer-based broker fuzzing infrastructure (#474) |
| 16 | + * wolfIP Integration — Added wolfIP support for both MQTT client and broker (#463) |
| 17 | + * lastError Field — Preserve TLS error code via new lastError in the network context (#458) |
| 18 | + |
19 | 19 | #### Bug Fixes |
20 | | -* Fix race condition in wm_SemLock (#475) |
21 | | -* Fix wildcard topic matching (#472) |
22 | | -* Fix LWT (Last Will and Testament) length checks and payload free issues (#472, #473) |
23 | | -* Fix subAck buffer size check and topic count validation (#472) |
24 | | -* Fix MqttPacket_Write failure return handling (#473) |
25 | | -* Fix MQTT-SN: null pointer dereference, non-blocking read, encode/decode issues (#473) |
26 | | -* Fix MqttDecode_Auth reason code issue (#473) |
27 | | -* Fix broker client connect status check (#472) |
28 | | -* Fix SN_Client_WaitType issues (#456) |
29 | | -* Fix curl transport: use internal loops for partial read/write handling (#459) |
| 20 | + * Fix race condition in wm_SemLock (#475) |
| 21 | + * Fix wildcard topic matching (#472) |
| 22 | + * Fix LWT (Last Will and Testament) length checks and payload free issues (#472, #473) |
| 23 | + * Fix subAck buffer size check and topic count validation (#472) |
| 24 | + * Fix MqttPacket_Write failure return handling (#473) |
| 25 | + * Fix MQTT-SN: null pointer dereference, non-blocking read, encode/decode issues (#473) |
| 26 | + * Fix MqttDecode_Auth reason code issue (#473) |
| 27 | + * Fix broker client connect status check (#472) |
| 28 | + * Fix SN_Client_WaitType issues (#456) |
| 29 | + * Fix curl transport: use internal loops for partial read/write handling (#459) |
30 | 30 |
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31 | 31 | #### Security Hardening |
32 | | -* Add overflow checks in network and socket IO (#467) |
33 | | -* Add checks for negative return values in MqttDecode_String calls (#467) |
34 | | -* Add encoding error checks (#467) |
35 | | -* Add remain_len validation check (#471) |
36 | | -* Static analysis fixes for MqttClient_Auth, MqttProps_Add, MqttDecode_SubscribeAck, MqttDecode_Props (#469) |
37 | | -* Static analysis fixes for SN_Decode_Register, SN_Decode_GWInfo, SN_Client_WillTopicUpdate, SN_Encode_Publish, SN_Encode_RegAck, SN_Client_Connect (#468) |
38 | | -* Add debug warning when using VERIFY_NONE (#475) |
| 32 | + * Add overflow checks in network and socket IO (#467) |
| 33 | + * Add checks for negative return values in MqttDecode_String calls (#467) |
| 34 | + * Add encoding error checks (#467) |
| 35 | + * Add remain_len validation check (#471) |
| 36 | + * Static analysis fixes for MqttClient_Auth, MqttProps_Add, MqttDecode_SubscribeAck,MqttDecode_Props (#469) |
| 37 | + * Static analysis fixes for SN_Decode_Register, SN_Decode_GWInfo, SN_Client_WillTopicUpdate,SN_Encode_Publish, SN_Encode_RegAck, SN_Client_Connect (#468) |
| 38 | + * Add debug warning when using VERIFY_NONE (#475) |
39 | 39 |
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40 | 40 | #### CI / Testing |
41 | | -* Add CI workflows for codespell, multi-compiler, and sanitizer tests (#470) |
42 | | -* Add Coverity workflow schedule (#450, #451) |
43 | | -* Add WebSocket broker configurations to CI (#466) |
44 | | -* Expanded broker edge case testing (#465) |
45 | | -* Improved broker test execution speed (#465) |
| 41 | + * Add CI workflows for codespell, multi-compiler, and sanitizer tests (#470) |
| 42 | + * Add Coverity workflow schedule (#450, #451) |
| 43 | + * Add WebSocket broker configurations to CI (#466) |
| 44 | + * Expanded broker edge case testing (#465) |
| 45 | + * Improved broker test execution speed (#465) |
46 | 46 |
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47 | 47 | #### Other |
48 | | -* Updated client certificates (#455) |
49 | | -* Added wolfSSL as submodule option (#452) |
| 48 | + * Updated client certificates (#455) |
| 49 | + * Added wolfSSL as submodule option (#452) |
50 | 50 |
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51 | 51 | ### v1.21.0 (12/03/2025) |
52 | 52 | Release 1.21.0 has been developed according to wolfSSL's development and QA |
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