v0.4.2 (#665)

atoptima · Jul 13, 2022 · 8d776fd · 8d776fd · guimarqu · Jul 13, 2022
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diff --git a/NEWS.md b/NEWS.md
@@ -1,25 +1,7 @@
-# Coluna 0.4.0 Release notes
+# Coluna 0.4.2 Release notes
 
-Major update of the MOI wrapper and various bugfixes.
-## Changes
+- new implementation of the solution pool that leads to significant improvements for columns insertion in column generation
 
-### Pricing callback API
+- specific error for "unexpected variable state" error to allow developers to debug
+their code (see `ColumnAlreadyInsertedColGenError` struct).
 
-The pricing callback has to transmit the dual bound which is use to compute the contribution of the subproblem to the lagrangian bound in column generation.
-
-```julia
-MOI.submit(model, BlockDecomposition.PricingDualBound(cbdata), db)
-```
-
-Moreover, it's not possible to retrieve the column generation stage from the callback data anymore.
-
-
-## Dep updates
-
-- BlockDecomposition -> v1.7
-- MOI -> 1
-
-
-## Removed
-
-- Specific treatement of single variable constraint of a formulation in `MathProg`.
diff --git a/Project.toml b/Project.toml
@@ -1,7 +1,7 @@
 name = "Coluna"
 uuid = "88b4ec78-b192-11e8-04aa-4d367dd96a64"
 authors = ["François Vanderbeck", "Guillaume Marques", "Vitor Nesello", "Ruslan Sadykov"]
-version = "0.4.1"
+version = "0.4.2"
 
 [deps]
 BlockDecomposition = "6cde8614-403a-11e9-12f1-c10d0f0caca0"