TRANSCRIPT CODES!

My IRS transcripts finally updated this morning from nothing at all to 424, 810 freezing my refund and then 811 reversing the freeze. But no 971 for a notice issued. I have tried googling this and there is SO much conflicting information out there that I don't really know what is true and what isn't. Has anyone had experience with these codes with no notice issued from the IRS? Does a 424 always turn into a 420 for an audit? Or because I got 811 with no 971 notice sent, does that mean everything is good and I should get my refund okay? Please help!!!!

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