Monero team decided to postpone the scheduled fork from 28th of March to the 6th of April approximately. The reason is to give the developers team more time to update the project.

Official statement from XMR contributor about this delay:

This update will include fresh UI for Helium Hydra, the official Monero wallet. Here’s how it looks:

New UI Monero wallet

Click to zoom

XMR scheduled fork countdown (block #1546000):