The -deprecatedrpc=softforks configuration option has been removed.With I2P connections, a new, transient address is used for each outbound connection if -i2pacceptincoming=0. This may result in initial headers sync taking longer for new nodes starting up for the first time, both because the headers will be downloaded twice, and because the effect of a peer disconnecting during the presync phase (or while the node's best headers chain has less than -minimumchainwork), will result in the node needing to use the headers presync mechanism with the next peer as well (downloading the headers twice, again). Once that cumulative work is verified to be sufficiently high, the headers will be redownloaded from that peer and fully validated and stored. Whenever headers are received from a peer that have a total chainwork that is either less than the node's -minimumchainwork value or is sufficiently below the work at the node's tip, a "presync" phase will begin, in which the node will download the peer's headers and verify the cumulative work on the peer's chain, prior to storing those headers permanently. This is particularly relevant for nodes starting up for the first time (or for nodes which are starting up after being offline for a long time).
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