Will Student Loan Debts Discharged for Disability in 2018 Be Taxable Income

I read that the 2017 tax bill got rid of taxation of student loan debts discharged due to disability.

Is this correct?

Will this change apply to loans discharged in 2018 (that is, loans whose 3-year income monitoring period ends in April 2018)?

What are the odds that the law will change again before the next tax season?

Will Student Loan Debts Discharged for Disability in 2018 Be Taxable Income