fix: add_variables ignoring coords for DataArray bounds (#614)

chore: benchmarks (#567)

perf: use numpy array lookup for solution unpacking (#619)

refac: replace print calls with str-returning format_* methods (#621)

feat: Add relax() and unrelax() to Variable and Variables (#634)

udpate release notes with path release

Re-introduce knitro context closure and export solver quantities (#633)

fix: Include semi-continuous in Variable.type property (#635)

feat: Add fix(), unfix(), and fixed to Variable and Variables (#625)

feat: add m.copy() method to create deep copy of model (#623)

Add OetcSettings.from_env() and forward solver options through Model.solve() (#612)

ci: Add CI workflow to test documentation notebooks (#615)

feat: Add semi-continous variables as an option (#593)

handle missing dual values when barrier solution has no crossover (#601)

Fix Xpress IIS mapping for masked constraints (#605)