Joomla 2.5 (3.x) Extension Manager not finding extension updates
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Ok, after a year I could see the problem (for my extensions): on the xml server of the update server, the tag element had a typo (minimal typo) and the Joomla update manager couldn't find updates for my extension.
the value for the element tag is plugin_name (look at the underscore), but the plugin is a plugin
for third party extensions, it was a Joomla bug and I am updating the site to the current Joomla version.
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