Workflow Backend Changes? Workflows stopped working!

I have a workflow that queries data from multiple a Google spreadsheet's multiple tabs, combines that data into one record, and then returns two JSON objects that I then use in other workflows and in my apps.
A few days ago, after working fine for weeks, if not months, with no changes, I started getting failures. Now I am having weird issues where blocks clearly have data or should have data, but are empty. Some queries say they are undefined, but show under inputs (And I even tried copying the path!).
This is a relatively simple workflow with only a few Google Sheets queries and then the query to combine the other queries. There is no reason I should be having an issue out of the blue!!

Hi @Sam_S Are you only seeing this issue on this one Workflow or does this appear to be widely impacting your Workflows? Also, to confirm, you're seeing this on a Retool Cloud instance is that right?

Hi @everett_smith! It's impacting this one workflow, plus one other workflow that uses this one as it's first step. It also impacts my app.

Confirm that I am using Retool coud.