From 0bbfff0467a6b18b88eb3d38de13390f4ad5d12f Mon Sep 17 00:00:00 2001 From: Oscar Dowson Date: Tue, 8 Sep 2026 09:48:07 +1200 Subject: [PATCH 1/3] Prep for v1.54.0 --- Project.toml | 2 +- docs/src/changelog.md | 40 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 41 insertions(+), 1 deletion(-) diff --git a/Project.toml b/Project.toml index ca2a254406..0c3312ad97 100644 --- a/Project.toml +++ b/Project.toml @@ -1,6 +1,6 @@ name = "MathOptInterface" uuid = "b8f27783-ece8-5eb3-8dc8-9495eed66fee" -version = "1.53.0" +version = "1.54.0" [deps] CodecBzip2 = "523fee87-0ab8-5b00-afb7-3ecf72e48cfd" diff --git a/docs/src/changelog.md b/docs/src/changelog.md index 397e74d320..92dac4e1af 100644 --- a/docs/src/changelog.md +++ b/docs/src/changelog.md @@ -7,6 +7,46 @@ CurrentModule = MathOptInterface The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). +## v1.54.0 (September 14, 2026) + +### Added + +- Added support for [`Semiinteger`](@ref) and [`Semicontinuous`](@ref) in + `FileFormats.MPS` (#3084) + +### Fixed + +- Lowered the conversion cost for [`VariableIndex`](@ref) to [`ScalarAffineFunction`](@ref) + in `Bridges.Constraint.FunctionConversionBridge` to `0.5`. This should reduce + the complexity of some conic reformulations (#3063) +- Fixed tests of infeasible problems to also return `INFEASIBLE_OR_UNBOUNDED` + (#3066) +- Fixed bugs in various bridges to do with non-zero function constants. These + typically affected [`ConstraintPrimal`](@ref) and + [`ConstraintPrimalStart`](@ref) (#3069) +- Fixed a bug in the LP writer when there are functions with no terms (#3070) +- Fixed the derivative of `atan(y, x)` in `Nonlinear.SymbolicAD` (#3071) +- Fixed the Hessian computation for `min` and `max` operators (#3072) +- Fixed modifying [`Bridges.Constraint.SplitIntervalBridge`](@ref) when the + set was `Interval(-Inf, Inf)` (#3073) +- Fixed [`Bridges.Constraint.SplitHyperRectangleBridge`](@ref) when some rows + have bounds `(-Inf, Inf)` (#3075) +- Fixed getting and setting [`ConstraintPrimalStart`](@ref) in scalar + constraints when there are bridged variables (#3076) +- Fixed a bug deleting variables and constraints in + [`Utilities.MockOptimizer`](@ref) (#3080) +- Fixed various status checks in `Utilities.get_fallback` (#3082) +- Fixed getting [`ConstraintBasisStatus`](@ref) in + [`Bridges.Constraint.ScalarSlackBridge`](@ref) (#3083) +- Fixed getting [`DualObjectiveValue`](@ref) in `Utilities.get_fallback` when + [`DualStatus`](@ref) is `NO_SOLUTION` (#3081) + +### Other + +- Fixed formatting indent of multi-line strings in `test/` (#3064) +- Fixed minor typos in the documentation (#3079) +- Update CVX URL (#3085) + ## v1.53.0 (August 24, 2026) ### Added From a5e89f8f30e4c394ef134a2fc76b03369c025163 Mon Sep 17 00:00:00 2001 From: Oscar Dowson Date: Wed, 16 Sep 2026 15:56:17 +1200 Subject: [PATCH 2/3] Update --- docs/src/changelog.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/docs/src/changelog.md b/docs/src/changelog.md index 92dac4e1af..1b8ab285b6 100644 --- a/docs/src/changelog.md +++ b/docs/src/changelog.md @@ -7,7 +7,7 @@ CurrentModule = MathOptInterface The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). -## v1.54.0 (September 14, 2026) +## v1.54.0 (September 16, 2026) ### Added @@ -40,6 +40,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0 [`Bridges.Constraint.ScalarSlackBridge`](@ref) (#3083) - Fixed getting [`DualObjectiveValue`](@ref) in `Utilities.get_fallback` when [`DualStatus`](@ref) is `NO_SOLUTION` (#3081) +- Fixed getting [`DualObjectiveValue`](@ref) in `Utilities.get_fallback` with + a non-affine objective (#3086) ### Other From 9b79a28ba6956a0d44222577083b763499b93869 Mon Sep 17 00:00:00 2001 From: Oscar Dowson Date: Wed, 16 Sep 2026 17:00:01 +1200 Subject: [PATCH 3/3] Apply suggestion from @odow --- docs/src/changelog.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/src/changelog.md b/docs/src/changelog.md index 1b8ab285b6..ebb7a4fd2a 100644 --- a/docs/src/changelog.md +++ b/docs/src/changelog.md @@ -24,7 +24,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0 - Fixed bugs in various bridges to do with non-zero function constants. These typically affected [`ConstraintPrimal`](@ref) and [`ConstraintPrimalStart`](@ref) (#3069) -- Fixed a bug in the LP writer when there are functions with no terms (#3070) +- Fixed the LP format when there are functions with no terms (#3070), (#3088) - Fixed the derivative of `atan(y, x)` in `Nonlinear.SymbolicAD` (#3071) - Fixed the Hessian computation for `min` and `max` operators (#3072) - Fixed modifying [`Bridges.Constraint.SplitIntervalBridge`](@ref) when the