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Release Wed, Jul 8, 2026 3 min read

Stratum v2 SRI 1.11.0

Original release notes

General release information

Highlights of this release:

This release focuses on binary_sv2 reliability and cleanup, safer Sv1 parsing and conversion APIs, improved Sv1 difficulty handling, and expanded fuzz-testing coverage.

Notable highlights include:

  • binary_sv2 received several reliability and maintainability improvements, including absolute paths in procedural macro expansions, proper compile-time errors from proc macros, restored std build support, and broad cleanup of unused code and internal APIs.
  • sv1_api parsing and conversion paths were made safer by removing several unwrap calls, introducing the BadBytesConvert parsing error, and using bitcoin::hashes::hex for hexadecimal conversions.
  • HexBytes and HexU32Be now rely on their standard serialization and deserialization implementations instead of custom serde implementations, simplifying the Sv1 API and reducing duplicated conversion logic.
  • stratum-translation added integer power-of-two Sv1 difficulty conversion, improving difficulty and target conversion behavior between Stratum V1 and Stratum V2.
  • sv1_api gained dedicated fuzz targets, expanding automated coverage of parsing and protocol-handling edge cases.
  • channels_sv2::server::jobs::job_store::JobStore has been deprecated as part of the ongoing refinement and simplification of channel-management APIs.
  • CI execution was accelerated by adopting cargo binstall for tool installation.

Crate changes

binary_sv2 crate version was bumped from 5.0.0 to 6.0.0

parsers_sv2 crate version was bumped from 0.4.0 to 0.5.0

sv1_api crate version was bumped from 4.0.0 to 5.0.0

stratum-core crate version was bumped from 0.4.0 to 0.5.0

stratum_translation crate version was bumped from 0.3.0 to 0.4.0

channels_sv2 crate version was bumped from 6.0.0 to 7.0.0

codec_sv2 crate version was bumped from 5.0.0 to 6.0.0

extensions_sv2 crate version was bumped from 0.1.0 to 0.2.0

framing_sv2 crate version was bumped from 6.0.1 to 7.0.0

handlers_sv2 crate version was bumped from 0.4.0 to 0.5.0

common_messages_sv2 crate version was bumped from 7.2.0 to 8.0.0

job_declaration_sv2 crate version was bumped from 8.0.0 to 9.0.0

mining_sv2 crate version was bumped from 10.0.0 to 11.0.0

template_distribution_sv2 crate version was bumped from 5.1.0 to 6.0.0

derive_codec_sv2 crate version was bumped from 1.1.2 to 1.1.3

What's Changed

  • Add absolute path in binary sv2 proc macro by @Shourya742 in https://github.com/stratum-mining/stratum/pull/2185
  • Fix binary_sv2 std build by @Shourya742 in https://github.com/stratum-mining/stratum/pull/2187
  • Remove unused entities in binary_sv2 + common_messages_sv2 + template_distribution_sv2 by @Shourya742 in https://github.com/stratum-mining/stratum/pull/2189
  • Use compile error in proc macro by @Shourya742 in https://github.com/stratum-mining/stratum/pull/2186
  • deprecate channels_sv2::server::jobs::job_store::JobStore by @plebhash in https://github.com/stratum-mining/stratum/pull/2190
  • remove unwrap from sv1_api::Subscribe::TryFrom by @lucasbalieiro in https://github.com/stratum-mining/stratum/pull/2198
  • adjust hex conversion on sv1 to use bitcoin::hashes::hex by @lucasbalieiro in https://github.com/stratum-mining/stratum/pull/2205
  • add BadBytesConvert to ParsingMethodError in sv1_api by @lucasbalieiro in https://github.com/stratum-mining/stratum/pull/2207
  • add integer power-of-two Sv1 difficulty conversion in stratum-translation by @GitGab19 in https://github.com/stratum-mining/stratum/pull/2210
  • accelerate CI via cargo binstall by @plebhash in https://github.com/stratum-mining/stratum/pull/2209
  • remove custom impls of serde::Deserialize and serde::Serialize for HexBytes and HexU32Be by @lucasbalieiro in https://github.com/stratum-mining/stratum/pull/2212
  • remove unwrap calls when using as_u64 by @lucasbalieiro in https://github.com/stratum-mining/stratum/pull/2219
  • Binary sv2 cleanup by @Shourya742 in https://github.com/stratum-mining/stratum/pull/2200
  • add fuzz targets for sv1 crate by @lucasbalieiro in https://github.com/stratum-mining/stratum/pull/2220

Full Changelog: https://github.com/stratum-mining/stratum/compare/v1.10.0...v1.11.0