A bug on composr.app prevented alpha1 to alpha2 upgrades and should now be fixed.

The new website for version 11 (composr.app) is online. Read the full article for important information and implications.

If you use Facebook login you will need to reset your password.

Brief outline of Composr's PHP 8.1 status.

Two security holes were recently discovered in current and previous versions of Composr CMS, and patched.

The Composr CMS IRC channel has moved.

Advice and tooling for dealing with ageing ocPortal websites.

Announcing the Community Site Showcase, where you can show off your sites to others and upvote/downvote (Reddit-style).

Anatomy of a bogus vulnerability that is circulating.

Composr now requires PHP 5.3+ (but really you should be on PHP 7.3+).

There are a number of nasty bugs in 10.0.33, hot fixes are linked inside this issue.

Important message regarding Composr compatibility with PHP 8.

A number of development practices have been overhauled around how development work is messaged. This is to improve communication to Composr users and also within the development team.

Composr development has moved from GitHub to GitLab.

A security hole has been found in Composr. This is a serious vulnerability that affects all versions of Composr 10+. It is critical that you deploy a resolution to this vulnerability as soon as possible.

Introducing two new frameworks inspired by Composr, but targeted towards the development of standalone web apps.

An explanation for some recent instability on compo.sr.

We just discovered a bug affecting users who upgraded from ocPortal.

We are currently hard at work on Composr 11, but in parallel we have been secretly working on something much grander – Composr 9000. More information is inside.

A general update on Composr development, and other community news.

There is a major problem running the latest Composr patch release in old PHP versions.