Just figured out how to fix the „No available releases found” in Drupal 7.5x. It’s that error on the updates page where all or almost all modules are grayed out with an exclamation mark.
After reading countless posts related to this error, I finally found a solution.
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Clear/truncate the cache_update table in your Drupal database.
Or use drush command drush sqlq truncate cache_update.
That fix sorted out my errors.
Found another solution? Drop me a comment.
Good luck!
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