Thanks for joining the thread, @AN32, and @Haynes0624. 

I wish you didn't have to experience such trouble matching your transactions in QuickBooks Online. This issue still shows an ongoing investigation. Please know that our product engineers are looking into this now, and we hope to have an update soon. 

In the meantime, I recommend contacting our Customer Support team to be added to the list of affected users and receive updates. They also have the tool to check your account in a secure environment and find out what's causing the issue. 

Here's how you can reach out to them:
 

1. Click the Help (?) icon at the top.

2. Select Contact Us.

3. Enter your issue or question, then select Continue.

4. Review and Select from the following: Start a live chat, or Call us.

Please consider the available hours when contacting them to ensure we address your concern timely.

You can also visit this article to learn more about transactions that support attachments: Add or delete attachments in QuickBooks Online. 

Know that you can always get back to us if you have further questions about matching receipts or any QuickBooks-related issues. We're always here to help you out. Take care and have a nice day!