Is the BCH blockchain stuck?? Block 839,991 appears to be stalled for the past 2 hours.

Is there a problem with the blockchain only 10 blocks from the halving?

https://bchmempool.cash/ (reconnecting/offline)

https://explorer.bitcoinunlimited.info/blocks (current block 839,991 is over 2hrs old)

https://bitcoinprotocol.org/bitcoin-cash-halving (has been showing 2hr to go for a while now)