message: chore: CHANGELOG for v0.43.0
diff: +# [v0.43.0](https://github.com/nervosnetwork/ckb/compare/v0.42.0...v0.43.0) (2021-06-21)
  +
  +### Features
  +
  +* #2663: Try to increase file descriptor soft limit (@zhangsoledad)
  +* #2647: Sort txs in pool by indirect dep (@zhangsoledad)
  +* #2746: Update tx-pool for reorg synchronously (@zhangsoledad)
  +
  +### Bug Fixes
  +
  +* #2655: Don't remove peer id on addr (@driftluo)
  +
  + if no peer id on addr, it will always output an error log when trying to dial the observed addr.
  +
  +* #2716: Fix cycles set wrong (@driftluo)
  +
  +### Improvements
  +
  +* #2665: Add CPU requirements in platform support (@doitian)
  +* #2662: Shortcut return proposal reward when `target_proposals` is empty (@quake)
  +
  + This PR will reduce the rocksdb query especially `get_block_txs_hashes` in the `committed_idx_proc`, which is a slow query according to profiler result.
  +
  +* #2691: Skip fresh proposal id checking in TransactionHashes message (@quake)
  +* #2748: Upgrade rocksdb (@zhangsoledad)
  +
  +
  # [v0.42.0](https://github.com/nervosnetwork/ckb/compare/v0.41.0...v0.42.0) (2021-05-25)
  ### Features
  