Wrong (all) variations showing

My products have 3 attributes with several variations. Not all products have all variations.
Attribute 1: var1_1|var1_2
Attribute 2: var2_1|var2_2|var2_3
Attribute 3: var3_1|var3_2|var3_3|var3_4
Product1 has attribute var3_1|var3_2|var3_3 but not var3_4, while product2 has all.
All my products have a total amount of about 20 possible variations. On the product page only possible combinations are showing. If I select product1 there is no var3_4 in the select box for attribute 3. This is absolutely correct and the customers don’t get the Message “This is noch a possible combination”.

But now I added var1_3 to attribute 1 and I got about 38 possible variations. Now var3_4 isn’t hidden anymore. All variations are in the select box, even if they are not possible an not defined as variation in the product admin. What’s wrong? Why aren’t impossible combinations hidden anymore. Tried this with several products. 38 variations isn’t that much and woocommerce should be able to handle it.

Long story short: After adding additional variations, filtering of possible combinations in the select boxes stopped working.

Edit: Just deleted one product after another. With 30 variations filtering began to work again. Now I have only the possible combinations in the select boxes. Is 30 variations a limit for this function or is it a bug?

• This topic was modified 7 years, 6 months ago by meydot.