Three amendments introduced in rippled v1.6.0 have gained support from a majority of trusted validators.
These amendments are expected to become enabled on 4/8/2021, 12:41:02 PM UTC.
(April 8, 2021 at 5:41 AM PDT)
See details on the XRP Ledger Blog
Server operators should upgrade rippled before this time. Version 1.7.0
If you have issues with GPG keys while upgrading, read the release notes
for information about trusting the renewed release key.
To reiterate: If you are running version 1.5.0, your node will likely be amendment blocked if you do not upgrade by tomorrow.
For instructions on upgrading rippled on supported platforms, see Install rippled