If you haven't seen this from Kodak Professional's facebook page:

Let’s talk D-76.

If you have Catalog #1058270 (Batch 2020/01/23 8438 & Batch 2019/10/09 8432), you may have noticed a discoloring of your product. Please know we’re aware of this and apologize for the inconvenience or confusion this may have caused for a product you’re well used to.

Rest assured we want to get this taken care of for you. Please email us at ProPaperChem@KodakAlaris.com and our team will be back in touch to provide you with next steps on this specific product.

*If you have the product in your care and have not yet opened it, we encourage you to reach out to us for next steps as well.
For any questions in the meantime, please don’t hesitate to be in touch with us via email or private message!
From personal experience, it appears the powder has discolored. They've offered to send replacement.