Drupal Technical
You should see your visibility rules after that.
[SOLVED][Drupal][Drupal Panels] Block visibility rules not working after Panel update.
A few Drupal users had realized that after a Panels update the block visibility rules they had specified previously for the blocks that were to be displayed in Panels were no longer working. If you are facing the same issue in your Drupal site then read on to find out the solution
- Go to the ctools/plugins/content_types/block/block.inc
- We need to edit one of the lines in the hook_block_list invocation.
- Comment out line 105. It should look something like this
drupal_alter('block_list', $block_info);
Hope that helps.
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Reference: http://drupal.org/node/1786950