Build run: https://github.com/nanocurrency/nano-node/actions/runs/8048168703

What's Changed

Major improvements

• Hinted scheduler improvements by @pwojcikdev in https://github.com/nanocurrency/nano-node/pull/4312
• Support for frontier requests in stateless bootstrap server by @pwojcikdev in https://github.com/nanocurrency/nano-node/pull/4337
• Larger votes preparation by @pwojcikdev in https://github.com/nanocurrency/nano-node/pull/4350

Library updates

• Update boost submodule to v1.82 by @clemahieu in https://github.com/nanocurrency/nano-node/pull/4271
• Update lmdb submodule to version 0.9.31 by @clemahieu in https://github.com/nanocurrency/nano-node/pull/4289
• Rocksdb 8.6.7 and Clang 16 upgrade by @clemahieu in https://github.com/nanocurrency/nano-node/pull/4319

CI and Testing improvements

• Enable running core test suite in parallel by @pwojcikdev in https://github.com/nanocurrency/nano-node/pull/4246
• Improvements to CI pipeline by @pwojcikdev in https://github.com/nanocurrency/nano-node/pull/4248
• Improve: Consolidate artifact build process for all environments & Add Workflow for preparing release branch by @gr0vity-dev in https://github.com/nanocurrency/nano-node/pull/4256
• UBSan workflow by @pwojcikdev in https://github.com/nanocurrency/nano-node/pull/4353
• Enhance code sanitizers workflow (fixed & resubmitted) by @pwojcikdev in https://github.com/nanocurrency/nano-node/pull/4278

Cleanup

• Force use of windows.h instead of default winnt.h by @RickiNano in https://github.com/nanocurrency/nano-node/pull/4288
• Use c++ std filesystem (Cherry picked) by @RickiNano in https://github.com/nanocurrency/nano-node/pull/4315
• Remove vote-by-block support for confirm req message by @pwojcikdev in https://github.com/nanocurrency/nano-node/pull/4341
• Remove priority::flush and rename node::block_confirm to node::start_election by @clemahieu in https://github.com/nanocurrency/nano-node/pull/4276
• Refactor block_cemented_callback for readability by @gr0vity-dev in https://github.com/nanocurrency/nano-node/pull/4306
• Encapsulate election mutex by @gr0vity-dev in https://github.com/nanocurrency/nano-node/pull/4310

Miscellaneous

• fix(dockerfile): pass CI_VERSION_PRE_RELEASE build argument to cmake by @gr0vity-dev in https://github.com/nanocurrency/nano-node/pull/4247
• Fix Docker build type by @pwojcikdev in https://github.com/nanocurrency/nano-node/pull/4249
• Extract rollback_competitor function and simplify proces_batch. by @clemahieu in https://github.com/nanocurrency/nano-node/pull/4252
• Prettier rate_observer output by @pwojcikdev in https://github.com/nanocurrency/nano-node/pull/4257
• Add to_string functions to the classes asc_pull_req and asc_pull_ack by @brandon-bb in https://github.com/nanocurrency/nano-node/pull/4255
• Lazy steady clock sampling within nano::stats by @clemahieu in https://github.com/nanocurrency/nano-node/pull/4269
• Fix active_transactions::completion_type by @clemahieu in https://github.com/nanocurrency/nano-node/pull/4275
• This creates a the nano::store library/namespace/directory by @clemahieu in https://github.com/nanocurrency/nano-node/pull/4286
• Moving meta_handle to nano::store::lmdb::version by @clemahieu in https://github.com/nanocurrency/nano-node/pull/4291
• Remove database upgrades pre node v22 by @clemahieu in https://github.com/nanocurrency/nano-node/pull/4292
• Remove legacy upgrade code from lmdb store. by @clemahieu in https://github.com/nanocurrency/nano-node/pull/4293
• fixed bug in nano::rocksdb::store::clear() by @RickiNano in https://github.com/nanocurrency/nano-node/pull/4304
• Remove enumerations from stats_enums.hpp that are not used by @RickiNano in https://github.com/nanocurrency/nano-node/pull/4307
• Checks to ensure transactions execute in the context of their originating stores by @pwojcikdev in https://github.com/nanocurrency/nano-node/pull/4311
• Converting release_assert to exception if the ledger file cannot be opened. by @clemahieu in https://github.com/nanocurrency/nano-node/pull/4314
• Periodically refresh read transaction inside hinted scheduler by @pwojcikdev in https://github.com/nanocurrency/nano-node/pull/4325
• Fix performance issue in block_uniquer cleanup. by @clemahieu in https://github.com/nanocurrency/nano-node/pull/4326
• Move mutex acquisition outside write transaction inside vote generator. by @clemahieu in https://github.com/nanocurrency/nano-node/pull/4322
• Remove separate signature checking thread classes by @clemahieu in https://github.com/nanocurrency/nano-node/pull/4267
• Convert lmdb::block::exists to use lmdb::component::exists by @clemahieu in https://github.com/nanocurrency/nano-node/pull/4328
• Periodically refresh read transaction in backlog_population by @pwojcikdev in https://github.com/nanocurrency/nano-node/pull/4329
• Rocksdb: Don't read block content when checking if block exists by @RickiNano in https://github.com/nanocurrency/nano-node/pull/4333
• Fixes for hinted scheduler & vote cache by @pwojcikdev in https://github.com/nanocurrency/nano-node/pull/4334
• Fix vote_uniquer by @pwojcikdev in https://github.com/nanocurrency/nano-node/pull/4339
• Limit max number of queued blocks from ascending bootstrap by @pwojcikdev in https://github.com/nanocurrency/nano-node/pull/4347
• Apply correct network setting during linux builds by @gr0vity-dev in https://github.com/nanocurrency/nano-node/pull/4351

New Contributors

• @brandon-bb made their first contribution in https://github.com/nanocurrency/nano-node/pull/4255

Full Changelog: https://github.com/nanocurrency/nano-node/compare/V25.1...V26.1