Plugin profile · observed daily since 02 Aug 2026
Calendar
Active installs4,000+ rounded
Current authorKieran O'Shea
Owner changesNone while we have been watching
Last release6 months ago 16 May 2026
Support0 / 1 resolved, last 2 months
Releases on record27
Rating3.7 /5 · 24
Added to directory07 May 2007
Requires WP6.2.4
Requires PHPfalse
Version lag0.2 behind
Tested up toWP 6.9.11 WordPress is now on 7.1
PluginsPedia reports published data and observable changes. It does not rate plugin quality or safety, infer intent, or make recommendations. These are observations rather than a verdict. How this works
Ownership
Held by Kieran O'Shea throughout, with no change of ownership observed since daily tracking began on 02 Aug 2026.
Full observed history, including every field transition
Committing accounts
Read from the plugin’s public release log, so these predate this registry. A committing account is not an owner. Thirty accounts commit to WooCommerce and it has never changed hands.
| Account | Releases | First | Last |
|---|---|---|---|
| KieranOShea | 27 | 06 Sep 2008 | 16 May 2026 |
This registry did not observe a transfer; it read these names off a public log. Whether that reflects a change of ownership is not something the directory publishes.
Adoption
How widely the plugin is installed, and what the people running it think of it. WordPress.org rounds install figures to one significant digit, so they describe an order of magnitude rather than a headcount.
Moderately adopted: 4,000+ active installs. A real user base, well short of the ecosystem’s larger plugins.
38 downloads a day over the last 7 days, steady against the 7 days before. Downloads are counted exactly and without a ceiling, so they show movement the rounded install figure cannot.
11 Sep 2026peak 58/day31 Oct 2026
Daily record
Every field we record, one column per observation. Fields that never moved are named once rather than repeated across every column. A row of identical numbers would be padding.
| Field | 18 Oct | 19 Oct | 20 Oct | 21 Oct | 22 Oct | 23 Oct | 24 Oct | 25 Oct | 26 Oct | 27 Oct | 28 Oct | 29 Oct | 30 Oct | 31 Oct |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Downloads that day | — | 22 | 24 | 34 | 47 | 46 | 58 | 33 | 35 | 45 | 55 | 22 | 34 | 45 |
Unchanged throughout: ratings total (24) · active installs (4,000+) · version (1.3.18) · support threads (1) · threads resolved (0)
91 days of observation, most recent 14 shown.
Maintenance
When it was last released, and how far its declared compatibility has drifted from current WordPress.
Added to directory19 years ago 07 May 2007
Requires WP6.2.4
Requires PHPfalse
Version lag0.2 behind
Is anyone still maintaining this?
- Last released 16 May 2026, 176 days ago.
- Declares compatibility only up to WordPress 6.9.11, while 7.1 is current. The author has not confirmed it runs on the last 2 releases.
- 0 of 1 support threads answered in the last two months.
- The same account maintains 3 other plugins, and none has been updated in over a year, the most recent on 09 May 2025.
A plugin that does one thing correctly may need no changes for years; a long gap is not, by itself, evidence of neglect.
History
Everything dated that this registry holds about the plugin, most recent first. Releases carry the author’s own release date; everything else is dated to when it was observed.
Entries marked from the release log predate this registry, and daily observation began 02 Aug 2026. They were read from the plugin’s public SVN history after the fact, not watched as they happened. Everything else was observed directly.
- 02 Aug 20263 months agoFirst observed by PluginsPediaDaily 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.
- 16 May 20266 months agoVersion 1.3.18 released
- 13 Dec 202511 months agoVersion 1.3.17 releasedfrom the release logCommitted by KieranOShea.
- 19 Jul 20242 years agoVersion 1.3.16 releasedfrom the release logCommitted by KieranOShea.
- 31 May 20242 years agoVersion 1.3.15 releasedfrom the release logCommitted by KieranOShea.
- 28 Dec 20196.5 years agoVersion 1.3.14 releasedfrom the release logCommitted by KieranOShea.
- 03 Mar 20197.5 years agoVersion 1.3.13 releasedfrom the release logCommitted by KieranOShea.
- 05 Jan 20197.5 years agoVersion 1.3.12 releasedfrom the release logCommitted by KieranOShea.
- 17 Nov 20187.5 years agoVersion 1.3.11 releasedfrom the release logCommitted by KieranOShea.
- 18 Feb 20188.5 years agoVersion 1.3.10 releasedfrom the release logCommitted by KieranOShea.
- 29 Aug 201610 years agoVersion 1.3.9 releasedfrom the release logCommitted by KieranOShea.
- 28 Aug 201610 years agoVersion 1.3.8 releasedfrom the release logCommitted by KieranOShea.
- 22 Dec 201510 years agoVersion 1.3.7 releasedfrom the release logCommitted by KieranOShea.
- 22 Oct 201511 years agoVersion 1.3.6 releasedfrom the release logCommitted by KieranOShea.
- 06 Sep 200818 years ago14 earlier releasesfrom the release logBetween 06 Sep 2008 and 22 Sep 2015. Listed individually in the public release log rather than here.
- 07 May 200719 years agoAdded to the WordPress.org directoryReported by the plugin API as the date this plugin was added.
What we know, and what we don’t
Everything on this page in one place, including the gaps, so that nothing here is mistaken for a clean bill of health.
What we know
- It has been held by Kieran O'Shea for all 91 days we have observed it.
- It was last released 6 months ago (16 May 2026).
- Its author declares it tested up to WordPress 6.9.11; WordPress is now on 7.1.
- WordPress.org reports 4,000+ active installs.
- It carries 24 ratings, averaging 3.7 out of 5.
- 0 of 1 support threads in the last two months are marked resolved.
What we don’t know yet
- No release in the 91 days we have been watching, so how often it ships cannot be said. Every further day of silence tells you more.
Every record on this site, this one included, works under the same limits. We read what WordPress.org publishes about a plugin, never the plugin’s own code, so nothing here says whether a plugin is well built or safe. Install counts reach us already rounded; a change smaller than a band step doesn’t show. We don’t track security advisories yet. For anything older than our first observation we rely on the plugin’s public release log, where one exists. What this registry can and cannot see
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Reach out about this record
Corrections, missing context, or anything else about Calendar: a person reads every submission, and corrections get a reply within 5 business days.