Seasonal Attributes have been released in 6.3a.
A seasonal attribute is considered a clearance attribute.
When you are having seasonal sales, this is the best use case for this type of attribute.

Click the following link to see a list of articles for the next section:
Credit Cards
How To Associate Items With Seasonal Sales Seasonal Sale Window Overview How To Create And Use A Coupon In The POS How To Process A POS Transaction Assigning Terminal IDs (Network Only) Balance Cash Drawer End of Day Procedure How to Enter Sales Faster Handling Item Fees in the POS Point of Sale Computer Equipment Point of Sale Overview