Lifecycle

Witte Software Product Lifecycle

Release dates, version history and end-of-support dates for 4 Witte Software products and 23 versions.

Releases and Lifecycle

Release dates, version history and support and end-of-life dates as published by Witte Software. Dates within the next 12 months are highlighted; past dates are dimmed. Retrieved 2026-10-14.

MBAXP Modbus ActiveX control 2 versions

Only the two most recent releases carry dates in the change log.

Version	Released	Source
1.4.17	5 Feb 2025	[5]
1.4.16	7 Jun 2024	[5]

Modbus Poll 9 versions

Major releases from the change log; the change log gives release dates and no end-of-support dates.

Version	Released	Source
13.2.1	10 May 2026	[1]
13.0	16 Feb 2026	[1]
12.0	2 Oct 2025	[1]
11.0	28 Nov 2024	[1]
10.0	2 Jan 2023	[1]
9.0	25 Aug 2019	[1]
8.0	29 Apr 2019	[1]
7.0	16 Mar 2016	[1]
6.0	1 Jan 2014	[1]

Modbus Slave 8 versions

Major releases from the change log; the change log gives release dates and no end-of-support dates.

Version	Released	Source
10.0.0	13 Nov 2025	[2]
9.0	14 Aug 2023	[2]
8.0	2 Jan 2023	[2]
7.0	26 May 2018	[2]
6.0	12 Jan 2014	[2]
5.0	17 Nov 2013	[2]
4.0	3 Jun 2006	[2]
1.0	1 Jun 2002	[2]

WSMBT / WSMBS Modbus .NET controls 4 versions

Version	Released	Source
WSMBT 2.5.0.1 and WSMBS 2.5.0.1	5 Mar 2026	[3][4]
WSMBT 2.5.0.0	8 Mar 2021	[3][4]
WSMBS 2.5.0.0	7 Oct 2019	[3][4]
WSMBT 2.4.0.0	7 Oct 2019	[3][4]

Sources 5

Modbus Poll change log retrieved 2026-10-14
Modbus Slave change log retrieved 2026-10-14
WSMBT change log retrieved 2026-10-14
WSMBS change log retrieved 2026-10-14
MBAXP change log retrieved 2026-10-14