More evidence that 457b will keep separate $18.5k+$6k limits to the 401k/403b $18.5k+$6k limits (so you'd still be able to do both):
https://www.finance.senate.gov/chai...tee-announces-improvements-to-senate-tax-bill
"Finance Committee Announces Improvements to Senate Tax Bill ... Modifications include: ... Maintaining existing contribution limits and rules for employees of tax-exempt and governmental organizations. The underlying bill included some restrictions on the way these employees could contribute to these plans."
https://www.finance.senate.gov/chai...tee-announces-improvements-to-senate-tax-bill
"Finance Committee Announces Improvements to Senate Tax Bill ... Modifications include: ... Maintaining existing contribution limits and rules for employees of tax-exempt and governmental organizations. The underlying bill included some restrictions on the way these employees could contribute to these plans."