v1.5.6a has been released - Download available here: http://sourceforge.net/projects/zencart/files/

v1.5.6a contains fixes for all the posts above, including the points below:
  • Admin: Fix problem with creating coupons with percent off
  • Admin: Fix broken attribute-copy-to-whole-category
  • Admin: Improve whos-online session_decoding
  • Admin: Fix deletion of multilingual ez-pages when deleting a language
  • Admin: Fix validation of products_url in collect_info
  • Admin: Add notifier for categories-products-listing, allowing an observer to insert an additional status-type icon.
  • Admin: Fix geo-zones editor: wasn't saving inserts/edits due to wrong parameter
  • Admin: Fix Spiffycal issues in Products Price Manager
  • Admin: On config pages, only show the first 40 chars of a long config value so screen won't get messed up
  • Modify notifier for zen_get_products_stock
  • Prevent error: Cannot change session id when session is active
  • Show default quantity of 1 in products_quantity_discounts if product doesn't have a discount quantity.
  • Fix missing EMAIL_TEXT_TELEPHONE in email
  • Avoid errors when restoring cart while cart has product with attibutes without a text attribute.
  • Clear strict notifications based around shipping and shipping estimates.
  • Update and consolidate error handler code
  • Prevent ezpages "countable" warnings in logs
  • Fix error in perweightunit module
  • Added missing 'zen_updated_by_admin' function
  • Tax: Additional tax-handling notifications
  • Tax: Allow override of zen_get_tax_rate return value.
  • ot_coupon.php: Let an observer know that the coupon has been removed.
  • ot_coupon.php: Indicate that the coupon processing is starting and then, for each product, notify whether/not the product qualifies for the discount.
  • ot_shipping.php: Allow override of the shipping tax, since it can vary from one location to another.
  • Template: Auto scroll-to-top on ajax confirmation page
  • Template: Update the EN flag icon (previous gif was bad)
  • Template: Added back language define which will be used by older templates
  • zc_install: Handle old date_added zero dates
  • zc_install: handle ezpages migration to multilingual where table-prefixes are used



BUGS?
If you have questions about upgrading, please post in the "Upgrading to v1.5.x" section of the forum.

If you have found an actual bug in the code, please post details of it in the Bug Reports section of the forum.

Solutions to any confirmed bugs will be posted below.