Simple Custom CSS and JS 3.55 release date
Not announced. Simple Custom CSS and JS 3.55 has not been officially announced. This is our forecast, built from the evidence below.
Not announced
How we reached this date
The last 8 gaps between Simple Custom CSS and JS releases ran 50 to 181 days, typically 118 days. The latest line, 3.54, came out on 20 August 2026.
Counting on from there, and ignoring past gaps that are already shorter than the time that has passed, the most likely day is 16 January 2027, inside a window from 12 November 2026 to 12 February 2027.
The 50% is the share of comparable past releases that landed in a window like this, reduced a little because the sample is small. It is not a promise.
What would move it
An official announcement, a release-candidate version appearing in the code, or WordPress.org listing 3.55 as the current version. Each new signal is added to the timeline below and the window is recalculated. When WordPress.org lists 3.55 as current, this page switches to launch facts.
From the plugin's own description
Customize your WordPress site’s appearance by easily adding custom CSS and JS code without even having to modify your theme or plugin files. This is perfect for adding custom CSS tweaks to your site. Features Text editor with syntax highlighting Print the code inline or included into an external file Print the code in the header or the footer Add CSS or JS to the frontend or the admin side Add as many codes as you want Keep your changes also when you change the theme
What we know so far
- 20 August 2026The last 8 releases of Simple Custom CSS and JS came 50 to 181 days apart. Source: WordPress.org plugin code repository
Questions
When will Simple Custom CSS and JS 3.55 be released?
Our most likely date is 16 January 2027, with a 50% chance it lands between 12 November 2026 and 12 February 2027. It has not been announced.
Is Simple Custom CSS and JS 3.55 out yet?
Not as of 1 November 2026. We check WordPress.org's listing and the plugin's code repository, and this page switches to launch facts the day it ships.
How sure is this forecast?
The 50% is the share of comparable past releases that landed in a window like this, reduced a little because the sample is small. It is an estimate, not a promise.