v0.23.0

JuMP v0.23.0

Diff since v0.22.3

Closed issues:

• Refactor print to using printing implemented for MOI backend (#2814)
• Add function to set all start values for constraints and variables based on current solution (#2836)
• [docs] Mention CasADi as an alternative to JuMP (#2871)
• Expose NLPBlockDualStart (#2875)
• [docs] update MILP examples to HiGHS (#2878)
• Rename nl_ functions to nonlinear_ (#2882)
• Symmetric vs SkewSymmetric Variables (#2884)

Merged pull requests:

• Preliminary support for complex numbers (#2391) (@blegat)
• [docs] improve section on constraint start values (#2861) (@odow)
• [docs] fix typo in design patterns tutorial (#2870) (@odow)
• [docs] add CasADi to Should I use JuMP? (#2872) (@odow)
• Allow NaNMath 1.0 (#2873) (@mlubin)
• [breaking] remove PrintMode instead of explicit MIME types (#2874) (@odow)
• WIP: prep for v1.0 (#2876) (@odow)
• Remove deprecated functionality (#2877) (@odow)
• Add nl_dual_start_value (#2879) (@odow)
• Fix bug in solution summary (#2880) (@odow)
• [docs] switch from GLPK to HiGHS (#2881) (@odow)
• [breaking] rename nl_ functions to nonlinear_ (#2885) (@odow)
• [docs] clarify return type of SkewSymmetricMatrixSpace (#2888) (@odow)
• [breaking] rename SymMatrixSpace to SymmetricMatrixSpace (#2889) (@odow)
• Fix addition/substraction between variable and complex number (#2890) (@blegat)
• Prep for v0.23 (#2891) (@odow)

v0.22.3

JuMP v0.22.3

Diff since v0.22.2

Closed issues:

• Remove dirty flag (#2797)
• User-defined (nonlinear) objective with vectorized variables (#2854)
• Typo in RotatedSecondOrderCone docstring (#2855)
• Debug TSP example on Julia 1.7 (#2862)
• Benchmark (#2864)
• Bug broadcasting an empty SparseAxisArray (#2867)

Merged pull requests:

• [docs] Add introduction sections to tutorials (#2850) (@odow)
• [docs] update cutting stock algorithm (#2851) (@odow)
• [docs] Fix typo in TSP tutorial (#2852) (@odow)
• [docs] Update Benders decomposition algorithm (#2853) (@odow)
• Fix typo in docstring of RotatedSecondOrderCone (#2856) (@sean-lo)
• [docs] fix start value in max_cut_sdp (#2857) (@odow)
• Add warning and improve docs for modify-then-query (#2858) (@odow)
• [docs] update to MOI v0.10.8 and bump SCS (#2860) (@odow)
• Make Random seed more explicit (#2863) (@jd-foster)
• Bump JuliaFormatter to v0.22.2 (#2865) (@odow)
• Add Aqua.jl as a CI job (#2866) (@odow)
• [Containers] fix broadcasting over empty SparseAxisArray (#2868) (@odow)
• Prep for v0.22.3 (#2869) (@odow)

v0.22.2

JuMP v0.22.2

Diff since v0.22.1

Closed issues:

• Problematic dirty flag change (#2809)
• operate!! not defined error (#2821)
• CartesianIndex as keys in a DenseAxisArray (#2825)
• Error message copyin certain types with copy_model (#2828)
• In: Contribute code to JuMP, talk about JuliaFormatter (#2834)
• Implement set_start_value for constraint indices (#2835)
• Make plural macros (e.g. @variables) return collections of the defined objects (#2837)
• Unrecognized min and max NLP Functions (#2841)

Merged pull requests:

• Improve performance of GenericAffExpr (#2750) (@odow)
• Update list of CI platforms (#2816) (@odow)
• [docs] various style fixes (#2818) (@odow)
• Move solution_summary to separate file (#2819) (@odow)
• Refactor print.jl with no visible changes* (#2820) (@odow)
• Rename printing of anonymous JuMP variables (#2822) (@odow)
• [docs] add section on custom artifacts (#2823) (@odow)
• [docs] explain how to use Preferences.jl for custom binaries (#2824) (@odow)
• [docs] fix typo in custom solver binaries (#2826) (@odow)
• [Containers] disallow CartesianIndex as a key for DenseAxisArray (#2827) (@odow)
• Update compat for SpecialFunctions (#2829) (@odow)
• [docs] add copy_extension_data in extensions.md (#2830) (@odow)
• Add all_nl_constraints (#2831) (@odow)
• [docs] Add a tutorial on querying the Hessian of a NLP (#2832) (@odow)
• Create tsp_lazy_constraints (#2833) (@danielschermer)
• Small change in Model documentation (#2838) (@Ochibobo)
• Update diet.jl (#2839) (@Ochibobo)
• Typo (#2840) (@leotac)
• Fix min and max in NLP expressions (#2842) (@odow)
• Documentation improvement: Some suggestions for making it, IMHO, somewhat more clear. (#2843) (@ignace-computing)
• Pluralized macros return tuples (#2844) (@MartinBonde)
• [docs] mention JuliaFormatter in contributing.md (#2845) (@odow)
• [docs] Update docs to MOI v0.10.6 (#2846) (@odow)
• Add start value for constraints (#2847) (@odow)
• [docs] bump MathOptInterface to v0.10.7 (#2848) (@odow)
• [docs] update release notes for v0.22.2 (#2849) (@odow)

v0.22.1

JuMP v0.22.1

Diff since v0.22.0

Closed issues:

• LoadError after updating from version 0.21.10 to 0.22.0 (#2799)
• Optimizer Attributes Not Standardized (#2805)
• Export MOI.OptimizationSense (#2807)
• define Base.isempty or is_empty for JuMP models (#2810)

Merged pull requests:

• Remove release notes from PDF (#2796) (@odow)
• Rewrite manual/variables.md (#2798) (@odow)
• Fix bug in containers with tuple indices (#2800) (@odow)
• Fix egregious typo in error message (#2801) (@odow)
• [docs] rewrite manual/constraints.md (#2802) (@odow)
• [docs] update Should I use JuMP (#2803) (@odow)
• [docs] tidy and extend page on AMLs (#2804) (@odow)
• Fix bug in set_time_limit_sec (#2806) (@odow)
• Export OptimizationSense enum from MOI (#2808) (@odow)
• adding Base.isempty(::Model) (#2811) (@matbesancon)
• [docs] add design patterns tutorial (#2812) (@odow)
• Prep for 0.22.1 release (#2813) (@odow)

v0.22.0

JuMP v0.22.0

Diff since v0.21.10

Closed issues:

• Should we define zero(AffExpr) and one(AffExpr)? (#1151)
• set constraint names from @constraint macro (#1166)
• Precompile JuMP (#1181)
• Performance regressions from v0.18 (#1403)
• Bridges in Manual mode with solver not supporting default_copy_to (#1627)
• Performance of small constraints (#1654)
• Decide whether to export MOI. (#1789)
• inequality syntax for set constraints (#1798)
• Exported functions with no doc (#1825)
• Generate a PDF version of the docs (#1881)
• Cannot retrieve vector created with string name (#1895)
• Optimize time to add constraints JuMP 0.19.0 (#1905)
• provide function which composes names (#1936)
• Error message for anonymous variables (#1938)
• Macros should use add_variables & add_constraints rather than singular methods (#1939)
• [Needs MOI 0.9.21] AffExpr in ZeroOne does not work (#1943)
• Better error messages for vector variable bounds (#2056)
• SparseAxisArray does not implement size (#2117)
• Better error message for sparse RHS terms in vector constraints (#2162)
• Print constraints/variables in set form instead of scalarized (#2171)
• Remove variable_type (#2174)
• Feature request: reuse a variable name in @variable on non-overlapping indices (#2200)
• Clean up and document parse_constraint (#2236)
• Custom attributes not queried correctly with caching optimizer (#2587)
• parse_one_operator_constraint: clash with parse_ternary_constraint when there are four arguments (#2246)
• Address invalidations to speed up compile time (#2273)
• Sparse array addition with diagonal is dense (#2309)
• Subtle trap with semicolon syntax (#2318)
• [Feature Request] Error Function Keyword Argument for Macros (#2333)
• Container with a dictionary as the dimension (#2424)
• JuMP v0.18.6 doesn't compile in Julia v1.6 (#2438)
• Fix TODOs in print.jl (#2446)
• sum comparison parses wrongly without error (#2461)
• Document extensions (#2485)
• Support anonymous NL parameters (#2510)
• Do not add infinite bounds (#2634)
• Feasibility checker with function (#2526)
• Ordering of function arguments (#2539)
• Error on modify-then-query (#2566)
• Improve error when singular macro used instead of plural (#2582)
• Disallow multiple positional arguments in the @variable macro (#2583)
• Improve error for Interval constraints with non-constant set (#2599)
• Public API for Building Containers in Macros (#2604)
• Auto-register is incorrect when splatting (#2609)
• Unhelpful error message for @NLparameter (#2620)
• Error message improvement for value(Array of NLexpression) (#2635)
• Rename .m field of some structs (#2636)
• Document callback gotchas (#2642)
• Add name keyword to macros (#2643)
• Constructor of Array with DenseAxisArray (#2644)
• Names lost from model when read from file (#2647)
• copy conflict fails when model has parameters (#2649)
• Surprising argument ordering in macros (#2651)
• Model that builds in v0.21.8 errors in v0.21.9 with "constraints are not supported" (#2654)
• Do not set names if the solver does not support it (#2655)
• Write a tutorial solving parametric problems (#2663)
• Documentation improvements (#2675)
• Stop returning MA.Zero() from expressions (#2677)
• Implement owner_model for expressions (#2678)
• set_dual_start_value() error (#2679)
• Improve error message of unsupported constraints (#2680)
• Large SparseAxisArrays get stuck on show (#2683)
• Bug using "/" before the variable in @variable macro (#2692)
• Error thrown when pushing a DenseAxisArray into a set (#2696)
• erronerous output in solution_summary (Barrier/Simplex iterations) (#2697)
• Usage Question (#2715)
• gh-pages branch can get big with push_preview=true (#2721)
• Size of gh-pages branch (#2727)
• Copy in Array constructor from DenseAxisArray (#2766)
• Follow bang convention (#2767)
• Make delete, is_valid and set_objective_coefficient consistent with other methods (#2769)
• Add get/set_variable/constraint_attribute (#2770)
• Should SparseAxisArray <: AbstractArray? (#2783)
• Fix DiffRules compat (#2793)

Merged pull requests:

• Fix bug broadcasting constraints with sparse terms (#2558) (@odow)
• [breaking] Ignore infinite variable bounds (#2618) (@odow)
• Add vector of scalar variables with in syntax (#2657) (@joaquimg)
• Style guide: using Foo: Foo is an acceptable substitute for import Foo (#2682) (@DilumAluthge)
• Add MadNLP.jl to suppported solvers (#2684) (@sshin23)
• Improve error message of unsupported constraints (#2685) (@odow)
• Fix performance of show on SparseAxisArray (#2686) (@odow)
• [docs] Clarify read_from_file does not register names (#2687) (@odow)
• [docs] Clarify callback gotchas (#2688) (@odow)
• [Containers] add Array constructor for DenseAxisArray (#2689) (@odow)
• Make NonlinearExpression <: AbstractJuMPScalar (#2690) (@odow)
• Move release notes to documentation (#2691) (@odow)
• [docs] update build to Julia 1.6 (#2693) (@odow)
• [breaking] remove deprecated LP sensitivity (#2694) (@odow)
• [breaking] update to MOI v0.10 (#2695) (@odow)
• Fix barrier/simplex iteration swap in summary (#2698) (@blegat)
• [breaking] rename .m field of some structs to .model (#2699) (@odow)
• [docs] Fix invalid local links (#2700) (@odow)
• [breaking] make ::Function first argument of value (#2701) (@odow)
• Remove variable_type and constraint_type (#2702) (@odow)
• Fix deprecation of VectorQuadraticFunction (#2703) (@odow)
• Do not set Name attributes if unsupported (#2704) (@odow)
• Only shift constant if supported (#2705) (@odow)
• Warn when copying unknown extension data (#2706) (@odow)
• [Containers] Implement Base.hash (#2707) (@odow)
• Throw better error for singular macros (#2708) (@odow)
• [breaking] Reset model to OPTIMIZE_NOT_CALLED if model is modified after optimize (#2709) (@odow)
• Add primal_feasibility_report(::Function (#2710) (@odow)
• Improve error for non-constant Interval constraints (#2712) (@odow)
• [Containers] convert axes to AbstractVector in DenseAxisArray (#2713) (@odow)
• Clarify documentation of build_variable (#2714) (@odow)
• [docs] Document zero and one gotchas for expressions (#2716) (@odow)
• Clean up NLparameter macro and improve tests (#2718) (@odow)
• [breaking] Add anonymous NLparameters and registered named parameters (#2719) (@odow)
• [docs] Clarify user-defined containers (#2720) (@odow)
• Refactor test/macros.jl into functional form (#2722) (@odow)
• Add proper benchmarking scripts (#2723) (@odow)
• Doc cleanup workflow (#2724) (@guilhermebodin)
• Add better error messages for vectors passed as variable bounds (#2725) (@odow)
• [docs] add examples to extension documentation (#2726) (@odow)
• Improve error message for invalidly named containers (#2728) (@odow)
• Add error message for variable comparison with number (#2729) (@odow)
• Warn if DenseAxisArray is passed Number as axis (#2730) (@odow)
• [breaking] Make moi_xxx functions private (#2731) (@odow)
• [breaking] Deprecate SDconstraint and add new syntax for PSDCone constraints (#2732) (@odow)
• Add set inequality syntax for any set (#2733) (@odow)
• Don't return MA.Zero from expressions (#2734) (@odow)
• [breaking] refactor the parse_constraint methods (#2736) (@odow)
• Fixing a missed case in the OR logic in tips_and_tricks.jl (#2737) (@jlwether)
• [docs] Improve documentation for name and set_name (#2738) (@odow)
• Set names for anonymous constraints (#2739) (@odow)
• Add a test for reordering kwargs in macros (#2740) (@odow)
• Add fallbacks for == 0 of expressions (#2741) (@odow)
• [docs] Clarify usage of set_optimizer and add docs for relax_integrality (#2742) (@odow)
• [docs] move contributing guide to docs and expand (#2743) (@odow)
• [breaking] remove unused Containers.generate_container (#2744) (@odow)
• [docs] variety of minor changes (#2745) (@odow)
• [Containers] cleanup and document the macro API (#2746) (@odow)
• [docs] better clarify variable bound on LHS error (#2747) (@odow)
• Style improvements to aff_expr.jl (#2749) (@odow)
• [Containers] document nested and vectorized_product (#2751) (@odow)
• Fix TODO items in print.jl (#2752) (@odow)
• Fix incorrect auto register of splats (#2753) (@odow)
• Relax type restriction in _parse_ref_sets (#2754) (@odow)
• [docs] improve extensions.md (#2755) (@odow)
• [breaking] Make moi_backend a concrete type and remove MANUAL mode (#2756) (@odow)
• [docs] Various improvements to getting started tutorials (#2757) (@odow)
• Work-around bug in MutableArithmetics (#2758) (@odow)
• [docs] revise and improve power_systems tutorial (#2759) (@odow)
• Build docs as a PDF (#2760) (@odow)
• [docs] reorganization of tutorials (#2761) (@odow)
• [Containers] maintenance of SparseAxisArray.jl (#2762) (@odow)
• [docs] Various minor changes to the docs (#2763) (@odow)
• Add release notes for 0.22 (#2764) (@odow)
• Improve docstring links for xxx_status (#2765) (@odow)
• [Containers] make Array copy the data (#2768) (@odow)
• [docs] Use local image for space shuttle example (#2771) (@odow)
• [docs] tweak intro docs and expand installation (#2772) (@odow)
• [docs] edit the getting started tutorials (#2773) (@odow)
• [Containers] throw nice error for size(::SparseAxisArray) (#2774) (@odow)
• [docs] revise diet tutorial (#2775) (@odow)
• [docs] revise cannery tutorial (#2776) (@odow)
• [docs] revise diet tutorial II (#2777) (@odow)
• [docs] add sets and indexing tutorial (#2778) (@odow)
• [docs] update footer link to source files (#2779) (@odow)
• Update to MOI 0.10.4 (#2780) (@odow)
• [docs] fix admonition in callbacks.md (#2781) (@odow)
• Export Result and Termination status codes (#2782) (@odow)
• [docs] edit models.jl (#2785) (@odow)
• [docs] Clarify MOI symbol imports (#2787) (@odow)
• Update release_notes.md (#2789) (@odow)
• Prep for v0.22 release (#2790) (@odow)
• [docs] General edit for common tics (#2791) (@odow)
• Temporarily limit DiffRules.jl compat (#2792) (@odow)
• Revert PR2792 (#2795) (@odow)

v0.21.10

JuMP v0.21.10

Diff since v0.21.9

Closed issues:

• Migrate JuMPTutorials (#2483)
• Add add_NL_expression function (#2506)
• Throw better error in lp_sensitivity_report (#2569)
• Unhelpful error message for affine and quadratic expression combination (#2622)
• Bugs in solution summary when results not available (#2648)
• Errors when running JuMP examples from documentation (ERROR: LoadError: UndefVarError: optimize! not defined) (#2656)
• Run JuliaFormatter on tutorials (#2659)
• Defining a problem when an analytical expression exists for the Jacobian (#2670)
• Extend Raw NLP Expr Input to Allow AffExprs and QuadExprs (#2671)
• Format failing on master (#2673)

Merged pull requests:

• [docs] clarify when to use Symbols and Strings (#2646) (@odow)
• [docs] add example of how to evaluate objective function at a point (#2650) (@jd-foster)
• Add facility location tutorial (#2658) (@joaquimg)
• Format /docs folder (#2660) (@odow)
• Add _get_try and fallbacks for some elements of solution summary (#2661) (@AtsushiSakai)
• Add a fallback for getting constraint basis status in lp_sensitivity_report (#2664) (@AtsushiSakai)
• nothing comparison improvement in DenseAxisArray.jl (#2665) (@AtsushiSakai)
• Fix bug in relax_integrality (#2666) (@odow)
• [docs] Some solvers do not support start values (#2667) (@odow)
• README improvements (#2668) (@joaquimg)
• Update readme - follow rename on Discourse post (#2669) (@joaquimg)
• Improved Raw Expression NLP API (#2672) (@pulsipher)
• Attempt to fix formatting CI (#2674) (@odow)
• Revert Tokenize version fix (#2676) (@odow)
• Prep for 0.21.10 (#2681) (@odow)

v0.21.9

JuMP v0.21.9

Diff since v0.21.8

Closed issues:

• Should SparseAxisArray be an AbstractDict? (#2176)
• Certain base functions on JuMP constraints not implemented for NLconstraints. (#2355)
• Replace Containers with an external package (#2523)
• Support Containers in VectorConstraints (#2563)
• Add a function to get inner-most optimizer (#2565)
• Discuss start-up latency in performance tips (#2577)
• Logo thoughts (#2581)
• Document solver-dependent callbacks (#2588)
• Document that delete does not call unregister (#2589)
• Better document SOS1 and SOS2 (#2591)
• Pluralisation of @NLparameters (#2593)
• Enhance Usability of Variable(s)ConstrainedOnCreation for Extensions (#2594)
• Add an @register macro (#2606)
• Documentation is broken (#2607)
• Type-stability of add_constraint (#2611)
• doctest failure on v1.7 (#2623)
• stable printing for SparseAxisArray.jl (#2624)
• Affine expressions are slow (#2628)
• objective_value(model) returns the wrong objective function evaluation (#2637)
• User-defined gradients need to accept AbstractVector (#2638)
• Dual value computation / convention? (#2640)

Merged pull requests:

• Allow overloading of container types (#2570) (@odow)
• Add unsafe_backend (#2572) (@odow)
• Update the JuMP logo to match modern Julia (#2584) (@odow)
• Add support for Containers in VectorConstraints (#2590) (@c-jg)
• added support for is_valid for nonlinear constraints (#2592) (@hdavid16)
• Generalize build_variable for Variable(s)ConstrainedOnCreation (#2595) (@pulsipher)
• Tweak logo (#2596) (@cormullion)
• Update status reporting in rocket notebook (#2597) (@blegat)
• Fix misplaced backstick in solution doc (#2598) (@blegat)
• Simplify documentation for SOS (#2600) (@odow)
• Clarify that delete does not call unregister (#2601) (@odow)
• Mention solver-dependent callbacks (#2602) (@odow)
• Mention latency in performance tips (#2603) (@odow)
• Example: how to list conflicting constraints (#2605) (@jd-foster)
• Fix documentation by adding ndims(::AbstractJuMPScalar) (#2608) (@odow)
• Fix inference in add_constraint (#2612) (@odow)
• [docs] Minor edit to index.md (#2613) (@Carl-Ning-Yan)
• OptimizerWithAttributes direct model constructor (#2614) (@jd-lara)
• Use unsafe_backend in various places (#2615) (@odow)
• Rename backend variables to moi_backend (#2616) (@odow)
• fix typo (#2617) (@jiweiqi)
• Add Pluralization of @NLparameters (#2593) (#2619) (@Pramodh-G)
• Fix map for DenseAxisArray with OneTo axes (#2621) (@blegat)
• Fix logo link in README (#2625) (@odow)
• Fix printing on v.17 (#2626) (@odow)
• Update printing of SparseAxisArray (#2630) (@odow)
• Apply the OutdatedWarning from DocumenterTools (#2631) (@odow)
• Update to documenter 0.27 (#2632) (@odow)
• Revert 6a96210 for v0.21.8 (#2633) (@odow)
• Clarify the documentation on user-defined gradients (#2639) (@odow)
• [docs] suggest fix over a new constraint (#2645) (@odow)
• Missing parenthesis in docs. (#2652) (@dourouc05)
• Prep for 0.21.9 (#2653) (@odow)

v0.21.8

JuMP v0.21.8

Diff since v0.21.7

Closed issues:

• Constant in sum and prod (#2097)
• JuMP logo on night/dark theme (#2492)
• type unstability with container generation (#2552)
• LP sensitivity summary doesn't handle nonbasic free variables correctly (#2560)
• Deprecated Base.warn_once (#2567)
• Allow Extra Positional Arguments for @constraint (#2573)

Merged pull requests:

• Improve types of empty SparseAxisArrays (#2553) (@odow)
• Allow AffExpr and QuadExpr in NL expressions (#2559) (@odow)
• Add Bonmin and Couenne to list of supported solvers (#2561) (@odow)
• Fix handling of nonbasic free variables in lp_sensitivity_report (#2562) (@odow)
• fix Base.warn_once (#2568) (@tmigot)
• Remove link to JuMPTutorials (#2571) (@odow)
• Enhance extendibility of constraint macros (#2574) (@pulsipher)
• Fix doctests for MOI 0.9.21 (#2575) (@odow)
• Added ∈ for @variable set notation (#2576) (@pulsipher)
• [docs] remove solver-specific notes (#2578) (@odow)
• [docs] Add NEOSServer.jl to the installation guide (#2579) (@odow)
• changed/added logos for darkmode (#2585) (@cormullion)
• Prep for 0.21.8 (#2586) (@odow)

v0.21.7

JuMP v0.21.7

Diff since v0.21.6

Closed issues:

• Slicing DenseAxisArrays (#287)
• An efficient way to verify the feasibility of provided solution (#693)
• getvalue slow for nonlinear expressions (#746)
• Make JuMP.register optional (#808)
• Scope of index variables (#858)
• Base.show(model) calling print on Jupyter (#957)
• Suggestions for Documentation Improvements (#1062)
• Fixing axes(::JuMPArray) (#1623)
• Summary section for how containers work (#1663)
• Missing style guide points (#1780)
• MethodError: Unexpected keyword argument to at-variable (#1884)
• Define haskey on model (#1887)
• Does JuMP support max and min operator in the constraint (#1889)
• [Useability] @constraint and @variable: cannot use an iterator (#1915)
• Bug when formulating LMI constraint with sparse matrices (#1950)
• DenseAxisArray with vector of vector of indices (#2012)
• Make ReferenceMap support indexing with containers? (#2019)
• "reregister" a function? (#2058)
• Document that nonlinear expressions cannot be built outside of a macro (#2060)
• Style: in vs = for index variables in macros (#2104)
• VectorOfVariable to VectorAffineFunction does not keep variable indices? (#2167)
• Update example using variable_type (#2173)
• Feature Request: Report table for query solutions (#2191)
• Feature Request: Reified constraint (#2215)
• Explain difference of parameter and variable? (#2500)
• set_start_value only accept numbers (#2237)
• Generalize modification functions (#2256)
• Broadcasting over multiple DenseAxisArrays (#2267)
• Assignment allowed in macros where it shouldn't be (#2289)
• Bool.(::DenseAxisArray) errors (#2291)
• Docs: explain package incompatibility (#2296)
• nonlinear complementary constraints (#2308)
• Feature request: implement getindex for expressions (#2371)
• [docs] add page on AML concepts (#2412)
• Bug copying models with quadratic expressions (#2425)
• [docs] improve nonlinear docs (#2430)
• Inconsistance between @NLobjective and @objective (#2448)
• TypeError when using rad2deg in a @NLexpression (#2455)
• Restore multiline LaTeX (#2460)
• Documentation suggestions from Discourse (#2487)
• Documentation failing on master with MOI 0.9.20 (#2495)
• Register non linear parameters in the model (#2509)
• JuMP appears unable to recognise that a matrix is positive definite (#2517)

Merged pull requests:

• Allow copying models with a subset of constraints (#2339) (@dourouc05)
• Generalize ConstraintRef Model type (#2436) (@guilhermebodin)
• [docs] Update done items on roadmap (#2439) (@odow)
• [ci] Fix release branch wildcard for GH actions (#2441) (@odow)
• Implemented coefficient for expressions (#2442) (@junglegobs)
• Migrate non-modeling tutorials from JuMPTutorials.jl (#2444) (@odow)
• Refactor examples into subdirectories (#2445) (@odow)
• Fix printing in IJuliaMode (#2447) (@odow)
• Refactor printing to reduce content printed in IJulia mode (#2449) (@odow)
• Fix build_variable docstrings in sd.jl (#2450) (@odow)
• Add nice fallback for build_variable (#2451) (@odow)
• Update NEWS.md (#2452) (@davidanthoff)
• [docs] Update done items on roadmap (#2453) (@odow)
• [docs] Tweak wording of multiple results documentation (#2454) (@odow)
• Update installation.md (#2456) (@MatthewStuber)
• [docs] Add Highs to install guide (#2458) (@odow)
• Revise tutorial Getting started with Julia (#2459) (@odow)
• Special case deg2rad and rad2deg in 2nd_deriv (#2462) (@odow)
• Throw a helpful error for begin...end in NL macros (#2463) (@odow)
• Allow AbstractVector in VectorConstraints (#2464) (@odow)
• Support kwargs in variable macro (#2465) (@odow)
• First pass at a feasibility checker. (#2466) (@odow)
• Revise tutorial Getting started with JuMP (#2467) (@odow)
• Add docstrings to functions in nlp.jl (#2468) (@odow)
• [docs] Refactor the problem modification tutorial into existing docs (#2469) (@odow)
• Refactor the NLP documentation (#2470) (@odow)
• Add missing docstrings in JuMP.jl (#2471) (@odow)
• Add missing docstrings in print.jl (#2472) (@odow)
• Add missing docstrings in sd.jl (#2473) (@odow)
• Fix missing method in Containers when forcing the container type (#2474) (@odow)
• Rewrite the Containers documentation (#2476) (@odow)
• Reorganize documentation layout (#2477) (@odow)
• Rewrite the Model documentation (#2478) (@odow)
• Delete nonlinear_modelling tutorial (#2479) (@odow)
• Restructure API Reference material (#2480) (@odow)
• Tidy various docstrings (#2481) (@odow)
• Rewrite the solution documentation (#2482) (@odow)
• Add precompilation directives (#2484) (@odow)
• Add better error message when index is same as model (#2486) (@odow)
• Add modelling tutorials (#2489) (@odow)
• Increase the visibility of the community forum (#2490) (@odow)
• diet.jl: add a bit more context to doc comments (#2491) (@waldyrious)
• Merge example and tutorial directories. (#2493) (@odow)
• Fix doctests (#2494) (@odow)
• Adds yet another modelling tutorial from JuMPTutorials (#2496) (@ferrolho)
• Add plotting to tutorials (#2497) (@odow)
• Add sandbox for doc includes (#2498) (@odow)
• Add logistic regression tutorial from JuMPTutorials (#2499) (@frapac)
• Update power_systems.jl (#2501) (@odow)
• Clarify the difference between variables and parameters (#2502) (@odow)
• Begin explanation section of docs (#2504) (@odow)
• Update roadmap.md (#2508) (@odow)
• Formatting: format and add CI action (#2511) (@odow)
• Add solution_summary function (#2512) (@AtsushiSakai)
• Improve performance of value(NonlinearExpression) (#2515) (@odow)
• Register NLparameters and pretty print them (#2516) (@davidanthoff)
• [docs] Clarify warning in Nonlinear Modeling (#2518) (@odow)
• [docs] Fix typo in callbacks (#2519) (@odow)
• Faster deletion of bounds in fix (#2521) (@blegat)
• Allow slicing of DenseAxisArray (#2524) (@odow)
• [docs] update roadmap (#2525) (@odow)
• Support AbstractArray in DenseAxisArray constructor (#2527) (@odow)
• Support copying containers (#2528) (@odow)
• [docs] Add performance tips (#2530) (@odow)
• Refactor MIP tips and tricks (#2531) (@odow)
• [docs] refactor conic tips and tricks (#2532) (@odow)
• Support broadcasting over multiple DenseAxisArrays (#2533) (@odow)
• Expand norm() error message (#2534) (@odow)
• Improve the error message for unsupported functions (#2536) (@odow)
• Auto-register nonlinear functions (#2537) (@odow)
• [ci skip] update NEWS (#2538) (@odow)
• Add two tests for copying of expressions. (#2541) (@odow)
• Add JuliaFormatter to the style guide (#2542) (@odow)
• Improve error message and add warning when re-registering a function (#2543) (@odow)
• Restore multiline LaTeX (#2544) (@odow)
• SCIP.jl installation type change (#2545) (@Wimmerer)
• Remove un-used code (#2546) (@odow)
• Add more docstrings (#2547) (@odow)
• [docs] begin JuMP extensions (#2549) (@odow)
• Allow iterators of unknown size in macros (#2550) (@odow)
• Add set_start_value(x, ::Nothing) (#2551) (@odow)
• [docs] clarify user-defined functions return scalars (#2554) (@odow)
• Spell check (#2555) (@remi-garcia)
• Prep for v0.21.7 (#2556) (@odow)
• fix a typo in subexpressions.jl (#2557) (@jz2903)

v0.21.6

JuMP v0.21.6

Diff since v0.21.5

Closed issues:

• @test_macro_throws and coverage (#1331)
• erf not defined (#1803)
• Improvements to the Solver Table (#1894)
• \in not supported in constraint macro (#1896)
• Deleting constraint in order to modify it not possible due to name registered in model (#1956)
• Cannot iterate over keys of a variable in 0.18.4 (#2007)
• Constraint being violated in a nonlinear model (#2037)
• type assert failing when displaying direct_model(Gurobi.Optimizer()) (#2045)
• Expose and document dual warm starts (#2094)
• Add support for CallbackNodeStatus (#2123)
• Print bridge graph (#2142)
• Support for skew-symmetric matrix variables (#2146)
• Sparse Matrix multiplied by variable vector with Julia v1.0.5 and 1.3 (#2163)
• Problem with dot broadcasting with sums of empty sets (#2195)
• Improve performance of LP sensitivity summary (#2244)
• Powers print incorrectly in IJulia mode (#2293)
• Recommend using multiple dispatch instead of isa to check types (#2295)
• Running Aqua.jl on the code base: ambiguities (#2301)
• StackOverflowError for SparseAxisArray of constraints (#2335)
• Documentation missing for v0.21.5 (#2337)
• BoundsError in NLP classify_linearity (#2340)
• Relaxation of fixed binary variable raises AssertionError (#2344)
• Using a nonlinear expression in a registered function nested in a nonlinear objective causes a BoundsError (#2347)
• Clarify what can be done in callbacks (#2354)
• Optimize a quadratic expression with respect to some quadratic Constraints (#2357)
• Source links in solutions.md (#2358)
• L1 regularization with box constraint in JuMP? (#2361)
• Can't register erf as :erf (#2368)
• Documentation not deployed (#2373)
• Add a new variable to an existant constraint (#2376)
• Add example on memoizing NLP functions (#2377)
• Table of content (#2394)
• Issues when fixing variable value using CPLEX (#2400)
• NLP parser assumes ::Model and violates MethodError principle (#2402)
• Error copying a model having expressions (#2403)
• Copying expressions between models (#2407)
• Variable names with underscores print incorrectly in IJuliaMode (#2422)
• sum over a SparseAxisArray (#2428)
• How to use constraint_by_name for vectorized constraints (#2432)
• Extend CommonSolve.jl? (#2437)

Merged pull requests:

• Adding print_bridge_graph (#2202) (@Yashcodes)
• Add warm start for constraint's dual (#2214) (@Aks1996)
• Sensitivity part II (#2251) (@odow)
• Give better instructions for building the docs (#2266) (@odow)
• Remove convert methods which cause method invalidations (#2278) (@odow)
• Apply JuliaFormatter to nlp.jl (#2292) (@mlubin)
• Fix StackOverflow for NestedIterator (#2336) (@blegat)
• Don't create a testset for each potential test file. (#2338) (@dourouc05)
• Fix linearity check of user-defined function (#2341) (@odow)
• Update aff_expr.jl to remove outdated TODO. (#2342) (@vtjeng)
• Update GLPK to latest version for examples (#2343) (@odow)
• Relaxation and fixed binary (#2345) (@remi-garcia)
• Update http to https and broken websites update (#2346) (@remi-garcia)
• Add NLopt to solver list (#2349) (@blegat)
• Update solver urls with jump-dev migration (#2350) (@blegat)
• Add Pavito to solver list (#2351) (@blegat)
• Fix naming convention of internal functions (#2352) (@mlubin)
• Add BARON to solver list (#2353) (@blegat)
• Add Alpine to solver list (#2356) (@blegat)
• Add alternative syntax for "=" in macros (#2359) (@joaquimg)
• Typo fix (#2362) (@mlubin)
• Define haskey for JuMP AbstractModel (#2363) (@andrewrosemberg)
• Add Hypatia to solvers list (#2364) (@joaquimg)
• Add EAGO.jl to suppported solvers. (#2365) (@MatthewStuber)
• add factory MIP example - take 2 (#2366) (@Crghilardi)
• Re-enable SpecialFunctions in NLP (#2369) (@odow)
• Switch CI to Github actions (#2370) (@odow)
• Update roadmap.md (#2372) (@mlubin)
• Bump documenter version (#2374) (@odow)
• Begin moving examples to Literate.jl and incorporate into documentation (#2375) (@odow)
• Typo fix in steelT3.jl (#2378) (@mlubin)
• Add NLP tricks example (#2379) (@odow)
• Refactor documentation into separate API reference (#2380) (@odow)
• [docs] clarify callback behavior (#2381) (@odow)
• Remove type assertion in list_of_constraint_types (#2382) (@odow)
• Format the src/_Derivatives submodule (#2383) (@odow)
• Format the Containers submodule (#2384) (@odow)
• Add short_to_long_function_def=true to formatter (#2385) (@odow)
• Delete unused files in /test (#2386) (@odow)
• Format /test directory (#2387) (@odow)
• Bound StaticArrays to fix Julia 1.0 compatibility (#2390) (@odow)
• [docs] Revise installation guide (#2392) (@odow)
• [docs] Add missing docstrings and fix doctests that arose as a result (#2393) (@odow)
• [docs] Simplify the introduction page (#2395) (@odow)
• Revert #2390 (#2396) (@odow)
• Add callback_node_status (#2397) (@odow)
• Update TagBot.yml (#2398) (@odow)
• [docs] Clarify modify-then-query warning (#2401) (@odow)
• Fix bug when copying model with named expressions (#2405) (@odow)
• Throw a better error when extensions used with NLP (#2406) (@odow)
• Convert testset to function in test/model.jl (#2408) (@odow)
• Restructure README (#2410) (@odow)
• Remove incorrect and un-used copy functions (#2411) (@odow)
• [docs] Clarify duality warning (#2413) (@odow)
• [docs] Add missing docstrings (#2414) (@odow)
• [docs] Fix link in docs (#2415) (@odow)
• Add support for skew symmetric variables (#2416) (@odow)
• Add an unregister function (#2417) (@odow)
• Use setindex! internally (#2418) (@blegat)
• Change isapprox(a,b) to a \approx b in tests (#2419) (@mikerouleau)
• Fix error for printing in IJuliaMode (#2420) (@guilhermebodin)
• Fix printing of variable names in IJuliaMode (#2423) (@odow)
• Prep for JuMP 0.21.6 (#2426) (@odow)
• update SCIP URL and org (#2427) (@matbesancon)
• Add a CI job for nightly (#2433) (@odow)
• Add PATH to installation guide (#2434) (@odow)
• Add a better error message when there are duplicate indices in a container (#2435) (@odow)