Upgrade
7 articles tagged Upgrade, newest first.

What Does File Checksum Failed Mean in a Joomla Update, and How Do You Fix It?
Joomla's File Checksum Failed error means the update zip did not match its signed hash. A release-day glitch, a full disk or a wrong tmp path all cause it.

Fixing Class "JPlugin" not found in Joomla 5 and 6
Class "JPlugin" not found (or JFactory, JComponentHelper) means a Joomla extension lost the Backward Compatibility plugin. How to find and fix it.

Joomla 6.2 Is Out: Requirements, Changes and Which Sites Can Take It
Joomla 6.2.0 shipped on 13 October 2026 with the 6.1 requirements, no documented breaking changes and no security fixes. What is new and which sites can update.

Joomla 5.4.9 and 6.1.4 Fix 16 Security Issues, Two Rated High
Joomla 5.4.9 and 6.1.4 fix 16 core security issues, including cache directory deletion, SSRF, an MFA bypass and account creation with registration switched off.

Joomla Update Not Possible Because the Offered Update Has Expired
Joomla shows "Update not possible because the offered update has expired"? It is usually not your site. Here is the real cause, and how to fix it.

Joomla 5.4.6 and 6.1.1 Patch TEN Security Issues
Joomla 5.4.6 and 6.1.1 close ten security issues including an MFA bypass and a com_users privilege escalation. The patch order for 30+ sites.

Joomla 6.1.0 Released - What's New
Joomla 6.1 ships a visual workflow editor, built-in POW captcha, media custom fields for audio and video, and a new Cassiopeia child template.