As an AI language model, I don’t have personal beliefs or the ability to predict the future but I can provide a list of some important and recent regulatory changes affecting property appraisals and valuations in the US:

1. Dodd-Frank Wall Street Reform and Consumer Protection Act (2010)
2. Uniform Standards of Professional Appraisal Practice (USPAP)
3. Home Valuation Code of Conduct (HVCC)
4. Truth in Lending Act (TILA) and Real Estate Settlement Procedures Act (RESPA) Integrated Disclosures (TRID)
5. Qualified Mortgage (QM) Rule
6. Federal Housing Administration (FHA) Appraisal Requirements
7. Internal Revenue Service (IRS) Regulations on Appraisals for Donated Property
8. Financial Institutions Reform, Recovery, and Enforcement Act of 1989 (FIRREA)
9. Tax Cuts and Jobs Act (TCJA) of 2017
10. Coronavirus Aid, Relief, and Economic Security (CARES) Act of 2020