NEWS

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osqp 1.0.0 (2026-03-01)

Breaking changes

• Replaced R6 with S7 classes. Model methods are now accessed via @ (e.g., model@Solve()) instead of $.
• Renamed settings to match OSQP 1.0: warm_start -> warm_starting, polish -> polishing. The old names are accepted with deprecation warnings.

New features

• Upgraded OSQP C library from 0.6.3 to 1.0.0.
• Added WarmStart() and ColdStart() methods for primal/dual warm starting.
• New OSQP 1.0 settings: rho_is_vec, check_dualgap, cg_max_iter, cg_tol_reduction, cg_tol_fraction, cg_precond, profiler_level.
• New solver info fields: dual_obj_val, duality_gap.

Other changes

• Added vignette with examples for lasso regression, portfolio optimization, and warm starting.
• User-facing messages now use the cli package.
• Vendored QDLDL v0.1.8 for CRAN compatibility.
• OSQP C library printing now uses Rprintf instead of printf.
• Declared GNU make in SystemRequirements.
• R CMD check passes with Status: OK.

osqp 0.6.3.2 (2023-10-20)

• CMAKE file fixes per R-exts

osqp 0.6.3.1 (2023-10-04)

• Bug fix: typo in sparse coercion routines (dgCMatrix where dtCMatrix should be).

osqp 0.6.3 (2023-10-03)

• Sync up to version 0.6.3 of OSQP release
• Fix params.R (issue #18)
• Added time-limit settings parameter per PG's code
• Added check for lower bounds not exceeding upper bounds (issue 29)

osqp 0.6.0.8 (2023-01-31)

• Fix prototype of main in qdldl_sources/examplaes/example.c
• Fix use of cmake; was previously bombing due to proj.h header being found from system areas, rather than locally
• Fix configure script so that R-exts prescriptions are followed
• Update requirements and files to default of C++17 (src/Makevars, src/Makevars.win, src/osqp/Makefile)

osqp 0.6.0.7 (2022-11-09)

• Fix use of bitwise & with boolean operands (file osqp_interface.cpp)
• Fix function declaration without prototype (files paradiso_loader.h, paradiso_interface.c, paradiso_loader.c)

osqp 0.6.0.6 (2022-09-29)

• Change maintainer to Balasubramanian Narasimhan

osqp 0.6.0.5 (2021-12-07)

• (Missing news)

osqp 0.6.0.4 (2021-12-06)

• (Missing news)

osqp 0.6.0.3 (2019-10-28)

• Patches to OSQP-R interface to handle infinite-valued bounds

osqp 0.6.0.2 (2019-09-11)

• Patches to OSQP-R build for solaris and fedora

osqp 0.6.0 (2019-09-04)

• Updated OSQP to version 0.6.0

osqp 0.5.0 (2018-12-11)

• Updated OSQP to version 0.5.0

osqp 0.4.1 (2018-09-27)

• Updated OSQP to version 0.4.1

osqp 0.4.0 (2018-07-23)

• Updated OSQP version

osqp 0.3.1 (2018-07-01)

• First release on CRAN with new name