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)

v0.21.5

JuMP v0.21.5

Diff since v0.21.4

Closed issues:

• Unify treatment of keys on JuMP containers. (#1988)

Merged pull requests:

• Dense array keys (#2281) (@blegat)
• Check dimensions of functions and sets match (#2321) (@lkapelevich)
• Fix DataStructues deprecation warnings (#2329) (@mlubin)
• Update .travis.yml (#2330) (@odow)
• Update travis badges (#2332) (@mlubin)
• v0.21.5 (#2334) (@odow)

v0.21.4

JuMP v0.21.4

Diff since v0.21.3

Closed issues:

• Provide diagnostics mode to pinpoint source of NaNs (#320)
• Ease the computation of IIS? (#1035)
• Errors in a @Constraints block reported with incorrect line numbers (#1174)
• [release-0.18] Callback test failure on Julia 1.0 (#1539)
• Feature request: solve relaxation (#1611)
• dual & shadow_price do not work on sparse arrays (#1876)
• Print subexpressions in nonlinear models (#1983)
• Export of Private Macros (#2023)
• Old error message on ambiguous variable name. Keyword "category" no longer exists (#2035)
• assertion error with ifelse (#2115)
• Debug info for unsupported constraints (#2143)
• Local indices in macros are not given gensym'd names (#2186)
• GenericAffOrQuadExpr undefined in JuMP v0.21.2 (#2225)
• Add a check that constraint RHSs are finite (#2233)
• Missing method with value(::MA.Zero) (#2260)
• Documentation inconsistency: MOI or MathOptInterface? (#2263)
• SparseAxisArray error (#2280)
• similar(::JuMP.Containers.DenseAxisArray...) is ambiguous (#2282)
• Printing NLexpressions (#2287)
• Infer bounds on binary variables (#2288)
• Heuristic callback with non-Float64 (#2290)
• JuMP.set_silent(model) not working for Ipopt (#2297)
• Something wrong with running JuMP (#2298)
• Constraints' start values by using variables' start values (#2299)
• Support for restoring constraints after unfix rather than deleting them (#2304)
• Default variable name by the symbol (#2305)
• Missing website (#2310)
• Docs: Add info on start for multiple variables (#2312)
• Expand documentation for user defined functions (#2314)
• Bug in SDP parsing? (#2320)
• Make a new release? (#2326)
• Model not properly displayed in IJulia (#2328)

Merged pull requests:

• Debug info for unsupported constraints (#2203) (@Yashcodes)
• Updating error message on ambiguous variable (#2222) (@Yashcodes)
• added note of GAMS solvers to installation doc (#2255) (@renkekuhlmann)
• Add numeric fallbacks for .value (#2262) (@odow)
• Fix #2263 (#2264) (@dourouc05)
• Update roadmap items (#2265) (@odow)
• Reduce CI load by skipping Julia 1.1, 1.2, and 1.3 (#2269) (@odow)
• Don't export macros whose names start with underscores (#2270) (@mlubin)
• remove invalid assertion in nlp.jl (#2271) (@mlubin)
• Add checks and tests for NaN in constraints (#2272) (@odow)
• Utility for relaxing integrality (#2275) (@mlubin)
• Fix line numbers in macros (#2276) (@odow)
• Refactor files in test/ so they can be run independently (#2279) (@odow)
• Fix failing tests on master (#2283) (@odow)
• Refactor test/mutable_arithmetics.jl (#2284) (@odow)
• Refactor test/operator.jl into functions as opposed to nested testsets (#2285) (@odow)
• Refactor test/file_formats.jl into functions as opposed to nested testsets (#2286) (@odow)
• Print nonlinear subexpressions (#2294) (@mlubin)
• Allow querying conflicts from within JuMP (#2300) (@dourouc05)
• tests: function-ize model.jl (#2303) (@IainNZ)
• Refactor test/constraints.jl (#2306) (@odow)
• Refactor test/variable.jl into functions as opposed to nested testsets (#2307) (@odow)
• README: properly highlight BibTeX code (#2311) (@zlatanvasovic)
• Update variables docstring (#2313) (@odow)
• Bump DataStructures version (#2315) (@jd-lara)
• Typo in doc for value(v::VariableRef; result = 1) (#2316) (@dourouc05)
• Add value for constraints with a custom var_value function (#2317) (@dourouc05)
• Add MOI.submit dispatch for Real values (#2319) (@andrewrosemberg)
• Fix tests for upcoming MOF v0.5 release (#2322) (@odow)
• Implement copy for CustomSet (#2323) (@blegat)
• Updates for MOI 0.9.15 (#2324) (@odow)
• Mark items completed on roadmap (#2325) (@mlubin)
• Release v0.21.4 (#2327) (@odow)

v0.21.3

JuMP v0.21.3

Diff since v0.21.2

Closed issues:

• Define SOS variables without a weight (ordering) vector (#1916)
• Allow @constraint without relational operator? (#2014)
• Error message with Val{false} (#2087)
• Add a nice way to access MOI attributes (#2158)
• Non-explicit index placed without warning (#2190)
• variables (plural) macro has no dosctrings (#2194)
• Scalar product in objective (#2210)
• Missing promote operation (#2213)
• map for DenseAxisArray (#2234)
• Unexpected order of variable indices (#2238)
• Passing bounds before other constraints (#2243)
• Test case failure for mutable_arithmetics.jl on power ppc4le platform (#2250)
• Constraint macro RHS and LHS with length(dict[i]) command returns different values (#2254)
• Deletion of named constraints and creation of identically named constraints (#2257)

Merged pull requests:

• Add extension points for more generic @constraint syntax (#2051) (@dourouc05)
• Remove a comment that is no more relevant. (#2175) (@dourouc05)
• Implementation of Jac-vec products (#2196) (@amontoison)
• #2158 Added functions simplex_iterations(), barrier_iterations() and node_count() (#2201) (@vrngupta53)
• Function reduced_cost (code, documentation, and tests) (#2205) (@henriquebecker91)
• Added SOS1 and SOS2 struct (#2212) (@tomasfmg)
• Support MA.Zero in objective and constraints (#2219) (@odow)
• Mention tutorials in the docs (#2223) (@cdeil)
• Update README.md to mention JuMPTutorials.jl (#2224) (@cdeil)
• Add parse_constraint_expr and parse_constraint_head (#2228) (@blegat)
• callback value for expr (#2231) (@matbesancon)
• Fix map for DenseAxisArray (#2235) (@blegat)
• Throw BoundsError if number of indices is incorrect (#2240) (@blegat)
• Update COIN-OR Links (#2242) (@jonas-schulze)
• [Extension] Implement set_objective_function instead of set_objective (#2247) (@blegat)
• update links following MOI migration to jump-dev org (#2248) (@mlubin)
• update links following move to jump.dev (#2249) (@mlubin)
• more link updates for jump-dev migration (#2252) (@mlubin)
• Explicit link to the documentation of MOI.FileFormats (#2253) (@dourouc05)
• prep for 0.21.3 (#2258) (@blegat)
• Typo fixes (#2261) (@rtwalker)

v0.21.2

JuMP v0.21.2

Diff since v0.21.1

Closed issues:

• Empty sums (#2120)
• Creating empty SparseAxisArray not possible (#2169)
• Initialize JuMP model when optimizer is nothing (#2172)
• Writing nonlinear expressions to file does not work (#2180)
• Easy way to determine constraints and/or variables leading to failed solving? (#2185)
• Problem with two empty summations in a constraint (#2187)
• Variable x[1] does not belong to this model (#2189)
• Model(Optimizer) produces an error (#2192)
• missing add_to_expression! method (#2197)
• write_to_file doesn't work on windows (#2206)
• JuMPScalars should have conj(x) = x defined since they are required to be real (#2208)

Merged pull requests:

• prep for 0.21.1 (#2168) (@mlubin)
• Add @variable to (model, x) in anon var doc (#2177) (@mlhetland)
• Fix sum of expr with scalar product (#2178) (@blegat)
• Fix construction of empty SparseAxisArray (#2179) (@blegat)
• Fix writing of NL models to MOF (#2181) (@odow)
• Remove extra ` in docstrings (#2182) (@daschw)
• Missing space. (#2184) (@dourouc05)
• Add fallback for _functionize(::MA.Zero) (#2188) (@odow)
• Mark SOC support as done (#2193) (@mlubin)
• Added Base.empty! method for JuMP.Model. (#2198) (@henriquebecker91)
• #2158 Added relative_gap() to access MOI.RelativeGap() attribute (#2199) (@vrngupta53)
• Fix missing docstring source links (#2207) (@amontoison)
• added conjugation operator for scalars (#2209) (@ExpandingMan)
• add docstring for variables macro (#2216) (@Aks1996)
• prep for 0.21.2 (#2218) (@blegat)

v0.21.1

JuMP v0.21.1

Diff since v0.21.0

Merged pull requests:

• improve the deprecation warning for with_optimizer (#2165) (@mlubin)
• Fix promote_operation with custom AbstractVariableRef (#2166) (@blegat)