When the median time past(1) of the most recent 11 blocks (MTP-11) is greater than or equal to UNIX timestamp 1563976800 (2019-07-24T14:00:00), the default configuration values should change as follows:
- Set the default maximum generated block size to 128MB
- Set the default maximum accepted block size to 2GB
1 - Median Time Past is described in here.
Author: Daniel Connolly, nChain Ltd