Release [2.1.1] 2025-09-30

Added

• feature fix static analyzer warnings (IDFGH-15453, IDFGH-14651) (079b51e)
• add kconfig value to explicitly enable/disable mdns integration (IDFGH-14828) (f958457)

Fixed

• fix slave accept - open limited connection (IDFGH-15541) (7b2dd25)
• fix slave tcp skips requests from multiple masters (IDFGH-15564) (6dcac67)
• fix master dd allow arbitrary descriptor sizes (#133) (21ae74e)
• fix idf compatibility issues under ci (-) (36b9ab1)
• fix master minor fixes examples and documentation v2 (#128) (1508be5)
• fix target test issues ut (-) (4daca2f)
• fix fix port serial heap poisoning issue (-) (937e488)
• fix change github actions for jira and project issue prefix to EPROT (-) (6a72cdb)
• fix example tests target issues (addition) (-) (52f7e38)
• fix master FSM multiple error handling (#135) (58dc8c1)
• fix modbus ci revise idf versions list (-) (7ff65a2)

Release [2.1.0] 2025-06-16

[2.1.0] 2025-06-16

The format of the message is:

• [feature | fix] [description] [jira IDs (obsolete, will be removed later)] [Commit ID].

Added

• feature add custom fc handlers for master and slave v2 (IDFGH-10913, IDFGH-13746, IDFGH-6561, IDFGH-12046) (cbe9605)
• add custom commands into master data dict v2 (IDFGH-12046, IDFGH-10913, IDFGH-11919) (37b80d1)

Fixed

• fix transport master-slave destroy sequence (IDFGH-15380) (ba2b683)
• fix minor pipeline issues (11895fb)
• fix master compilation issue with mbm_rq_common (IDFGH-15448) (9c7cc28)
• fix ensure atomic operations for instance counter (IDFGH-15173) (498f01f)
• fix serial port deadlock startup issue in specific conditions (IDFGH-14964) (0f01533)
• fix master-slave connection repair issues (IDFGH-15011) (ff8b978)

Release [1.0.18] 2025-04-25

[1.0.18] 2025-04-25

Fixed

• fix slave incorrect disconnect timeout handling v1 (IDFGH-14951)
• fix crash if incorrect state on collisions v1 (IDFGH-15008)
• fix the linking issues when slave id option is disabled v1 (IDFGH-15169)
• fix permissions definition in controller master (IDFGH-15187)

Added

None: Support period is completed

Component manager release v1.0.18

Release [2.0.2] 2025-02-30

[2.0.2] 2025-02-30

Added

• add slave report id command for master and slave (backport v2) (IDFGH-13856)

Fixed

• fix the mb_master unexpected event messages(timeout) severity to debug (IDFGH-14408)
• fix slave tcp stop method initialization (IDFGH-14743)
• esp-event event handler unregister function causes memory leak
• fix stack cpp compilation issues (IDFGH-14554)
• fix modbus handling of disabled comm modes (IDFGH-13866)
• modbus fix read input registers max number (backport v2)

Refer to ESP-Modbus Announcements page

v2.0.1: Release [2.0.1] 2024-12-20

[2.0.1] 2024-12-20

Added

• add initial conformance testing with robot framework (IDF-8254)
• add feature support multi-instance modbus tcp master, tcp slave (IDFGH-11927, IDFGH-13567)

Fixed

• fix the mdns resolver error handling
• fix docs preview server settings v2 (IDF-11808)
• fix build docs, extended data types en option v2, mb_event check
• fix removed extra closing braces to avoid C++ compiler error (IDFGH-13419)

New stable version of stack v2.
Refer to Announcement of v2.0.1

v1.0.17: Release [1.0.17] 2024-12-06

[1.0.17] 2024-12-06

Fixed

• fix communication mode setup in modbus slave (IDFGH-14059)
• fix: flush uart queue on parity and frame error (IDFGH-13881)
• fix docs preview deploy server settings (IDF-11808)
• fix docs extended types enable option v1
• fix modbus tcp slave port close connections on destroy
• fix removed extra closing braces to avoid C++ compiler error (IDFGH-13419)
• fix modbus read input registers max count (IDFGH-13284)

Added

• add the 0x11 command - get slave info (IDFGH-13856)
• add support target esp32c61 (IDF-10051)

Note: The support for v1 release will be limited. The esp-modbus v2 becomes the main version of the stack. Refer to announcement of v2

Release [1.0.16] 2024-09-11

[1.0.16] 2024-09-11

Added

• add custom modbus user error handler for master IDFGH-12757
• add support of esp32c5 target (IDF-10050)

Fixed

• fix modbus using of hostname incorrectly after lwip update (IDF-10104)
• fix modbus read input registers max number (IDFGH-13284)
• fix extra closing braces to avoid C++ compiler error (IDFGH-13419)
• fix ci/cd issues and support policy (RDT-739)

release v1.0.15

v1.0.15: This version is equivalent to the version v1.0.14

includes the fix for component manager

Release [1.0.14] 2024-04-29

[1.0.14] 2024-04-29

Added

• add modbus extended float/uint support for custom and third party devices (IDFGH-7198, IDF-7634)

Fixed

• fix documentation to describe on how to override modbus serial comm opts (IDFGH-11906, IDFGH-6341, IDFGH-9713, IDFGH-12260)
• fix master broadcast request issue (IDFGH-12540)
• fix modbus rtu skips first packet t35meas is disabled (IDFGH-12105)

Release [1.0.13] 2024-01-26

[1.0.13] 2024-01-26

Added

• Add support for esp32p4 target (IDF-7869)

Fixed

• Fix modbus slave wait before send option (IDFGH-11279)
• Fix for closing tcp connections and watchdog timeout (IDFGH-11539, IDFGH-11690)
• Fix unused sdkconfig settings for ci jobs