A new version of the Daedalus wallet is available. From the release notes:
Daedalus 4.0.5 updates the Catalyst voting registration feature to address the new Fund4 schedule, and also resolves some minor issues.
https://iohk.zendesk.com/hc/en-us/articles/900006675083
As ever we recommend to upgrade in the wallet by starting then accepting the upgrade option.
You may not have explored Catalyst much but it’s shaping up to be a very strong startup incubator and as an ADA holder you get voting rights. We will share a few pointers in a future blog post.