v1.6.0

What's Changed

• Preserve executed SigChecks in native script validation by @fpelliccioni in #763
• Validate block structure and contextual ordering in batches by @fpelliccioni in #764
• Preserve connected ABLA metadata on repeated header persistence by @fpelliccioni in #765
• Wake block storage before chain reorganizations by @fpelliccioni in #767
• Include active ancestry in header requests by @fpelliccioni in #768
• Advance finalization only from published connected blocks by @fpelliccioni in #766
• ci: gate external contributions behind maintainer admission by @fpelliccioni in #800
• ci: classify maintainers using repository permissions by @fpelliccioni in #802
• rpc: answer every request pipelined on one connection by @CyberAshven in #769
• rpc: accept request lines that end in a bare LF by @CyberAshven in #770
• rpc: end reply headers with Content-Length and the body with LF by @CyberAshven in #771
• domain: decode cashaddr addresses only as the P2PKH or P2SH they name by @CyberAshven in #774
• build: require C23 for the C API by @fpelliccioni in #819
• domain: support constexpr CashAddr and precise address errors by @fpelliccioni in #818
• rpc: add validateaddress by @CyberAshven in #775
• rpc: add the coinbase merkle branch to getblocktemplatelight by @CyberAshven in #776
• rpc: add help by @CyberAshven in #778
• rpc: add confirmations to verbose getblockheader by @CyberAshven in #779
• rpc: add estimatefee by @CyberAshven in #780
• infrastructure: modernize base codecs and Bitcoin amounts by @fpelliccioni in #824
• domain: add direct CashAddr encoding and checked address literals by @fpelliccioni in #828
• rpc: add decoderawtransaction by @CyberAshven in #782
• rpc: add getnetworkhashps by @CyberAshven in #781
• rpc: report the short chain name in getblockchaininfo and getmininginfo by @CyberAshven in #786
• rpc: add getchaintips by @CyberAshven in #785
• network: select the next peer message instead of racing a receive and a timer by @fpelliccioni in #830
• rpc: add gettxout by @CyberAshven in #784
• rpc: add getnetworkinfo by @CyberAshven in #783
• Fix standalone literal checks in CI by @fpelliccioni in #837
• rpc: list verbose getrawmempool entries keyed by txid by @CyberAshven in #790
• Preserve selected network defaults across configuration boundaries by @fpelliccioni in #756
• rpc: add getblocktemplate by @CyberAshven in #787
• Implement CHIP-2025-03 Faster Blocks and tempnet support by @fpelliccioni in #839
• rpc: harden blockchain info snapshots and disk accounting by @CyberAshven in #777
• test: repair the batch size and getblocktemplate tests left failing by Faster Blocks by @fpelliccioni in #843
• Add branch-local ticks to header-index chain tips by @fpelliccioni in #844
• Recover identical undo records after branch replay by @fpelliccioni in #822
• ci: give the node suite room and stop its clean-start test idling by @fpelliccioni in #848
• Avoid executor deadlock during transaction admission by @fpelliccioni in #845
• Expose Faster Blocks tick metadata through JSON-RPC by @fpelliccioni in #840
• Reject mutated merkle trees in light block validation by @fpelliccioni in #849
• Recover sync after a contextual block rejection by @fpelliccioni in #850
• Expose Faster Blocks tick schedules and progress through the C API by @fpelliccioni in #841
• Admit local blocks through the existing sync pipeline by @fpelliccioni in #846
• blockchain: read blocks from the flat files, and mempool transactions by txid by @fpelliccioni in #847
• rpc: read blocks from the block files, and mempool transactions by txid by @CyberAshven in #788
• domain: add median_time_past_of, the median time past by ancestry by @fpelliccioni in #860
• Select proof-of-work limits independently for each check by @fpelliccioni in #858
• Preserve invalid duplicate classification in block admission replies by @fpelliccioni in #854
• rpc: answer getblock and getrawtransaction verbosely by @CyberAshven in #789
• Keep contextual block rejection identities across restarts by @fpelliccioni in #856
• rpc: add submitblock by @CyberAshven in #792
• p2p: serve the connected chain's headers and blocks to peers by @fpelliccioni in #861
• sync: announce each newly connected tip to peers by @fpelliccioni in #862
• blockchain: keep the block submission reply independent of the submitter by @fpelliccioni in #863
• build: require GCC 16.2 and probe coroutine binding lifetime by @fpelliccioni in #865
• mempool: expire transactions unconfirmed for two weeks by @fpelliccioni in #869
• mempool: price transactions at BCHN's relay floor, by size by @fpelliccioni in #868
• mempool: bound the pool and raise its minimum fee when full by @fpelliccioni in #870
• node: ask peers for the transactions they announce and offer them to the mempool by @fpelliccioni in #872
• ci: reuse tested packages and run isolated test shards by @fpelliccioni in #878
• node: send each peer the mempool's minimum fee as its fee filter by @fpelliccioni in #873
• node: keep transactions whose parents are missing, and ask for the parents by @fpelliccioni in #876
• node: announce admitted transactions to peers and serve their getdata by @fpelliccioni in #884
• node: drop the orphans a connected block resolves by @fpelliccioni in #886
• build: introduce explicit RPC backend selection by @fpelliccioni in #794
• node: answer a peer's mempool request as BCHN does by @fpelliccioni in #889
• node: add gRPC Protobuf query backend by @fpelliccioni in #798
• node: read the gRPC transport's in-flight count after join without waiting by @fpelliccioni in #891
• node: add Cap'n Proto RPC query backend by @fpelliccioni in #799
• node: let the Cap'n Proto test reader's destructor match the reader it overrides by @fpelliccioni in #892
• build: take asio 1.38.3-kth.3, with a configurable selection timer by @fpelliccioni in #893
• network: run on a browser Worker, over a WebSocket byte stream by @fpelliccioni in #894
• node: synchronize BCH headers in a browser Worker by @fpelliccioni in #895
• network: add native WebSocket peers and endpoint discovery by @fpelliccioni in #810
• ci: name the reusable build workflows by @fpelliccioni in #898
• node: follow a heavier branch in header_sync by @fpelliccioni in #897
• node: keep a browser header client's chain across reloads by @fpelliccioni in #811
• node: count only outbound peers toward the outbound target by @fpelliccioni in #899
• network: use the platform timer in the WebSocket transport by @fpelliccioni in #903
• node: synchronize browser headers from several peers by @fpelliccioni in #900
• node: report a browser header client's chain state and settings by @fpelliccioni in #901
• node: sample block and transaction content in the browser header client by @fpelliccioni in #902
• node: report header_sync failures with std::expected by @fpelliccioni in #905
• ci: pin conan-toolchains in the browser controls job by @fpelliccioni in #907
• chain: add chain.full_validation, an IBD that validates every block by @fpelliccioni in #908
• test: preload the ASan runtime before the no-CSPRNG shim by @fpelliccioni in #909
• c-api: refresh generated wrappers and report async mining failures by @fpelliccioni in #910
• ci: restore coverage caching and batch Catch tests by @fpelliccioni in #913
• c-api: preserve async completion and release failed subscriptions by @fpelliccioni in #912
• test: expect the consensus library's script verdict in full validation by @fpelliccioni in #915
• release: 1.6.0 by @fpelliccioni in #914

Full Changelog: v1.5.2...v1.6.0