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| -rw-r--r-- | doc/release-notes.md | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/doc/release-notes.md b/doc/release-notes.md index 032f7147a..700fc1fe6 100644 --- a/doc/release-notes.md +++ b/doc/release-notes.md @@ -33,6 +33,28 @@ frequently tested on them. Notable changes =============== +Performance Improvements +-------------- + +Validation speed and network propagation performance have been greatly +improved, leading to much shorter sync and initial block download times. + +- The script signature cache has been reimplemented as a "cuckoo cache", + allowing for more signatures to be cached and faster lookups. +- Assumed-valid blocks have been introduced which allows script validation to + be skipped for ancestors of known-good blocks, without changing the security + model. See below for more details. +- In some cases, compact blocks are now relayed before being fully validated as + per BIP152. +- P2P networking has been refactored with a focus on concurrency and + throughput. Network operations are no longer bottlenecked by validation. As a + result, block fetching is several times faster than previous releases in many + cases. +- The UTXO cache now claims unused mempool memory. This speeds up initial block + download as UTXO lookups are a major bottleneck there, and there is no use for + the mempool at that stage. + + Manual Pruning -------------- |