v0.7.0

[0.7.0] - 2026-08-07

⚙️ Miscellaneous Tasks

• (core) Make std an explicit opt-in feature, set MSRV 1.88
• (ci) Add no_std build job
• (core) Fix formatting in logging.rs (#80)

🐛 Bug Fixes

• (wasm) Re-enable purecv std feature for the wasm crate

📚 Documentation

• (core) Add module-level docs for core, imgproc and features (#80)
• (core) Document the logging facility in the README (#80)
• Document no_std/embedded support and refresh the README

🚀 Features

• (core) Compile the core module without the standard library
• (core) Add OpenCV-style logging facade (#80)
• (core) Add basic logger and migrate example applications to logging macros (#80)
• (video) Add debug logging inside calc_optical_flow_pyramid_lk (#80)
• (core) Add warning logs for solve and solve_pnp_ransac failure cases (#80)
• (core) Add cv_bail!/cv_err! log-and-return macros (#80)
• (core) Log input-validation failures in arithm and matrix (#80)
• (core) Log input-validation failures across remaining core modules (#80)
• (imgproc) Compile the imgproc module without the standard library
• (video,calib3d) Compile both modules without the standard library

🚜 Refactor

• (core) Gate the stdout logger behind the std feature (#80)
• (imgproc) Use core::/alloc:: paths for no_std
• (video,calib3d) Use core::/alloc:: paths for no_std

🧪 Testing

• (core) Add build-only no_std smoke-test crate
• (imgproc) Exercise gaussian_blur from the no_std smoke crate
• (video,calib3d) Smoke-test both modules + document no_std support