Full observed history · 37 daily observations

MC4WP: Mailchimp for WordPress

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Events

Everything the registry has recorded for this plugin, newest first.

02 Aug 2026
First observed by PluginPedia

Daily snapshots of this plugin’s directory record begin here. Everything above this line is observed; anything before it comes from fields the API itself reports.

19 Jun 2013
Added to the WordPress.org directory

Reported by the plugin API as the date this plugin was added.

Ownership series

Each distinct value the author_profile field has held across our own daily observations, with the window it was seen in. This is the series that cannot be reconstructed after the fact. The WordPress.org API publishes only the current value.

AccountDisplay nameFirst seenLast seenDays
dvankootenDanny van Kooten02 Aug 202607 Sep 202637

Release series

Every release this registry holds, from both of its sources. Rows marked release log were read from the plugin’s public SVN history after the fact rather than watched in the directory, which is why a version can appear here that the crawler never saw live. “First observed” is when the daily crawl first met the version, and can trail the release date: by up to a day normally, or longer if the plugin was absent from the directory when the version shipped.

VersionReleasedFirst observedSource
4.14.020 Aug 202605 Aug 2026observed
4.13.122 Jun 202602 Aug 2026observed
4.13.018 Jun 2026release log
4.12.626 May 2026release log
4.12.511 May 2026release log
4.12.408 May 2026release log
4.12.305 May 2026release log
4.12.201 May 2026release log
4.12.126 Mar 2026release log
4.12.009 Mar 2026release log
4.11.120 Jan 2026release log
4.11.020 Jan 2026release log
4.10.901 Dec 2025release log
4.9.2128 Nov 2025release log
4.10.821 Oct 2025release log
4.10.705 Sep 2025release log
4.10.623 Jul 2025release log
4.10.525 Jun 2025release log
4.10.426 May 2025release log
4.10.314 May 2025release log
4.10.228 Feb 2025release log
4.10.106 Feb 2025release log
4.10.023 Jan 2025release log
4.9.2018 Dec 2024release log
4.9.1911 Nov 2024release log
4.9.1821 Oct 2024release log
4.9.1717 Sep 2024release log
4.9.1611 Sep 2024release log
4.9.1513 Aug 2024release log
4.9.1417 Jul 2024release log
4.9.1318 Jun 2024release log
4.9.1222 Apr 2024release log
4.9.1122 Mar 2024release log
4.9.1020 Nov 2023release log
4.9.903 Oct 2023release log
4.9.803 Oct 2023release log
4.9.729 Aug 2023release log
4.9.612 Jul 2023release log
4.9.507 Jun 2023release log
4.9.402 May 2023release log
4.9.331 Mar 2023release log
4.9.221 Mar 2023release log
4.9.107 Feb 2023release log
4.9.013 Jan 2023release log
4.8.1223 Dec 2022release log
4.8.1101 Nov 2022release log
4.8.1015 Sep 2022release log
4.8.914 Sep 2022release log
4.8.813 Sep 2022release log
4.8.701 Jun 2022release log
4.8.604 Aug 2021release log
4.8.501 Jun 2021release log
4.8.407 May 2021release log
4.8.304 May 2021release log
4.8.220 Jan 2021release log
4.8.121 Dec 2020release log
4.809 Jul 2020release log
4.7.804 Jun 2020release log
4.7.728 Apr 2020release log
4.7.609 Apr 2020release log
4.7.510 Feb 2020release log
4.7.407 Dec 2019release log
4.7.304 Dec 2019release log
4.7.227 Nov 2019release log
4.7.126 Nov 2019release log
4.707 Nov 2019release log
4.6.224 Oct 2019release log
4.6.107 Oct 2019release log
4.6.007 Oct 2019release log
4.5.512 Sep 2019release log
4.5.411 Sep 2019release log
4.5.323 Jul 2019release log
4.5.208 May 2019release log
4.5.108 Apr 2019release log
4.5.027 Mar 2019release log
4.401 Mar 2019release log
4.3.315 Feb 2019release log
4.3.211 Dec 2018release log
4.3.128 Nov 2018release log
4.328 Nov 2018release log
4.2.511 Sep 2018release log
4.2.409 Jul 2018release log
4.2.311 Jun 2018release log
4.2.222 May 2018release log
4.2.111 Apr 2018release log
4.205 Mar 2018release log
4.1.1521 Feb 2018release log
4.1.1408 Jan 2018release log
4.1.1328 Dec 2017release log
4.1.1211 Dec 2017release log
4.1.1121 Nov 2017release log
4.1.1019 Oct 2017release log
4.1.919 Sep 2017release log
4.1.808 Sep 2017release log
4.1.708 Sep 2017release log
4.1.625 Aug 2017release log
4.1.527 Jun 2017release log
4.1.415 Jun 2017release log
4.1.312 Jun 2017release log
4.1.208 May 2017release log
4.1.124 Apr 2017release log
4.1.014 Mar 2017release log
4.0.1308 Mar 2017release log
4.0.1216 Jan 2017release log
4.0.1109 Dec 2016release log
4.0.1007 Dec 2016release log
4.0.923 Nov 2016release log
4.0.823 Nov 2016release log
4.0.725 Oct 2016release log
4.0.610 Oct 2016release log
4.0.529 Sep 2016release log
4.0.407 Sep 2016release log
4.0.324 Aug 2016release log
4.0.210 Aug 2016release log
4.0.109 Aug 2016release log
4.009 Aug 2016release log
3.1.1228 Jul 2016release log
3.1.1105 Jul 2016release log
3.1.1021 Jun 2016release log
3.1.907 Jun 2016release log
3.1.823 May 2016release log
3.1.709 May 2016release log
3.1.612 Apr 2016release log
3.1.522 Mar 2016release log
3.1.401 Mar 2016release log
3.1.317 Feb 2016release log
3.1.217 Feb 2016release log
3.1.101 Feb 2016release log
3.126 Jan 2016release log
3.0.1215 Jan 2016release log
3.0.1114 Jan 2016release log
3.0.1006 Jan 2016release log
3.0.917 Dec 2015release log
3.0.815 Dec 2015release log
3.0.710 Dec 2015release log
3.0.609 Dec 2015release log
3.0.509 Dec 2015release log
3.0.407 Dec 2015release log
3.0.307 Dec 2015release log
3.0.225 Nov 2015release log
2.3.1802 Nov 2015release log
2.3.1722 Oct 2015release log
2.3.1620 Oct 2015release log
2.3.1509 Oct 2015release log
2.3.1426 Sep 2015release log
2.3.1325 Sep 2015release log
2.3.1222 Sep 2015release log
2.3.1121 Sep 2015release log
2.3.1007 Sep 2015release log
2.3.819 Aug 2015release log
2.3.714 Jul 2015release log
2.3.606 Jul 2015release log
2.3.524 Jun 2015release log
2.3.424 Jun 2015release log
2.3.327 May 2015release log
2.3.212 May 2015release log
2.3.106 May 2015release log
2.305 May 2015release log
2.2.905 May 2015release log
2.2.805 May 2015release log
2.2.705 May 2015release log
2.2.605 May 2015release log
2.2.505 May 2015release log
2.2.405 May 2015release log
2.2.328 Jan 2015release log
2.2.213 Jan 2015release log
2.2.112 Jan 2015release log
2.212 Jan 2015release log
2.1.701 Dec 2014release log
2.1.618 Nov 2014release log
2.1.516 Oct 2014release log
2.1.413 Oct 2014release log
2.1.323 Sep 2014release log
2.1.212 Sep 2014release log
2.1.124 Aug 2014release log
2.129 Jul 2014release log
2.0.520 Jul 2014release log
2.0.402 Jul 2014release log
2.0.318 Jun 2014release log
2.0.211 Jun 2014release log
2.0.114 May 2014release log
2.030 Apr 2014release log
1.5.807 Apr 2014release log
1.5.718 Mar 2014release log
1.5.613 Mar 2014release log
1.5.525 Feb 2014release log
1.5.417 Feb 2014release log
1.5.316 Feb 2014release log
1.5.216 Feb 2014release log
1.5.104 Feb 2014release log
1.518 Dec 2013release log
1.4.810 Dec 2013release log
1.4.704 Dec 2013release log
1.4.627 Nov 2013release log
1.4.527 Nov 2013release log
1.4.426 Nov 2013release log
1.4.318 Nov 2013release log
1.4.211 Nov 2013release log
1.4.103 Nov 2013release log
1.427 Oct 2013release log
1.3.122 Oct 2013release log
1.313 Oct 2013release log
1.2.508 Oct 2013release log
1.2.408 Oct 2013release log
1.2.303 Oct 2013release log
1.2.129 Sep 2013release log
1.1.523 Sep 2013release log

“Released” is the author’s own date (the API’s last_updated for observed rows, the SVN tag date for recovered ones) and is stated in UTC, as every date here is. WordPress.org renders the same timestamp in your local time zone, so the two sites can disagree by a calendar day without disagreeing about the moment.

Install-band series

The WordPress.org API rounds active_installs to the first significant digit and stops at 10,000,000. Only band transitions are recorded here. A difference between two rounded figures is not a measurement, and this registry does not report one.

BandFirst seenLast seen
1,000,000+02 Aug 202607 Sep 2026

One band across the whole observed window, no transition to report.

MC4WP: Mailchimp for WordPress: full observed history · PluginPedia