option to prefer channels which afford better privacy when routing (#1555).
* `ProbabilisticScorer` now provides access to its estimated liquidity range
for a given channel via `estimated_channel_liquidity_range` (#1549).
+ * `ChannelManager::force_close_channel` has been renamed
+ `force_close_broadcasting_latest_txn` and
+ `force_close_without_broadcasting_txn` has been added (#1564).
* Options which cannot be changed at runtime have been moved from
`ChannelConfig` to `ChannelHandshakeConfig` (#1529).
* `find_route` takes `&NetworkGraph` instead of `ReadOnlyNetworkGraph (#1583).