PrimeGrid and many of its members have done a great work to get to 5M. Although there are hundreds of results to come in, they have exhausted their 321 input :surprised
James Burt has a few outstanding ranges below n=4M. Many of them will be put on the PG server soon. I am still hoping all n=sub-5M will be done by the end of June, but my guess is that there will be a few left over to do then.
Unfortunately, no prime has showed up yet