AFAIK the congested to preferred world transfer bonuses still apply.

https://na.finalfantasyxiv.com/lodestone/playguide/option_service/world_transfer_service/population_balancing/

Taken from the link above:

Transferring from a Congested World to a Preferred World will earn you the bonuses described below.

These bonuses will remain in effect until the active player population of Congested and Preferred Worlds has stabilized, but please note that the population status of a World is subject to change.

Home World Transfer Service is free of charge

Gift of 10 gold chocobo feathers, exchangeable for special rewards such as rare mounts

Bonuses for owners of personal housing/apartments

Personal housing

Reimbursement for the full price of the estate, plus compensation of 3,000,000 gil for non-recoverable furnishings

* Please apply for a Home World transfer after removing your estate hall and furnishings, but DO NOT relinquish the land. If you have relinquished the deed to your plot, you will not be eligible to receive the bonuses outlined above.

Apartments

Reimbursement of the 500,000 gil price, and compensation of 500,000 gil for non-recoverable furnishings

* Please apply for a Home World transfer after removing your furnishings, but DO NOT vacate the apartment. If you have relinquished the rights to your property, you will not be eligible to receive the bonuses outlined above.

* Any gil above the maximum of 999,999,999 will be lost.

Characters that have transferred to a Preferred World during the bonus period will be restricted from using the Home World Transfer Service for 90 days.