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Issues list

Don't skip presolve with IPM, even if there's a basis - and include the offset in IPX objective function calculations code-quality
#2087 opened Dec 17, 2024 by jajhall
@jajhall
Presolver incorrectly reports infeasibility in awkwardly scaled problem bug MIP Presolve
#2084 opened Dec 13, 2024 by fuglede
@jajhall @fwesselm
5
Expose getRays and basis solve methods to highspy enhancement New feature or request
#2083 opened Dec 13, 2024 by jajhall
@jajhall
Provide basis and dual values for the primal solution obtained by calling Highs::feasibilityRelaxation enhancement New feature or request
#2081 opened Dec 11, 2024 by jajhall
@jajhall
Suspected memory leakage in highspy (python = 3.10) code-quality
#2080 opened Dec 11, 2024 by yokawhhh
@galabovaa
3
Function "changeColsIntegralityByRange" called from .NET much slower since 1.8.0 code-quality
#2065 opened Nov 28, 2024 by Josca
@jajhall
1
Limit the number of iterations that can be performed when calculating the analytic centre BE-JuMP code-quality MIP
#2049 opened Nov 20, 2024 by jajhall
@jajhall
1
Interrupt solving from .NET and show result question Further information is requested
#2042 opened Nov 16, 2024 by Josca
@galabovaa
Incorrectly detected infeasibility for non-default parameters bug MIP Presolve MIP
#2033 opened Nov 7, 2024 by apfelix
@jajhall @fwesselm
7
SIGILL on older x86_64 hardware Build enhancement New feature or request
#2017 opened Oct 31, 2024 by orlitzky
@galabovaa
1
A small LP that fail to solve bug LP Simplex
#2015 opened Oct 30, 2024 by luteberget
@jajhall
1
Respect problem type and change use of solver choice Add for v2.0 code-quality
#2007 opened Oct 28, 2024 by jajhall
@jajhall
CI: Consider building with common warnings enhancement New feature or request
#2006 opened Oct 28, 2024 by HaoZeke
@galabovaa
Possibly test HiGHS on RISC-V hardware enhancement New feature or request
#2000 opened Oct 24, 2024 by orlitzky
@galabovaa @jajhall
15
Improve log to encourage user to check infeasibilities and/or clear and resolve in particular cases BE-JuMP enhancement New feature or request
#1979 opened Oct 16, 2024 by joaquimg
@jajhall
Introduce (partial) user solution file enhancement New feature or request LP MIP QP
#1971 opened Oct 12, 2024 by jajhall
@jajhall
Another bug in MIP presolve bug MIP Presolve
#1960 opened Oct 4, 2024 by jajhall
@jajhall @fwesselm
2
Incorrectly detected infeasibility with pre-solve turned off bug MIP Presolve
#1959 opened Oct 4, 2024 by apfelix
@jajhall @fwesselm
4
Incorrectly detected infeasibility when using presolve bug MIP Presolve
#1958 opened Oct 4, 2024 by apfelix
@jajhall @fwesselm
3
Acknowledge feasible simplex solutions enhancement New feature or request
#1947 opened Sep 24, 2024 by jajhall
@jajhall
2
How good is the HiGHS condition estimate? code-quality
#1944 opened Sep 23, 2024 by jajhall
@jajhall
3
Suggestion: enum for some integer options code-quality
#1910 opened Sep 4, 2024 by andrea-cassioli-maersk
@jajhall
2
highspy: unpythonic error handling code-quality Python
#1906 opened Sep 1, 2024 by few
@jajhall
3
Missing callbacks code-quality Python
#1905 opened Sep 1, 2024 by few
@jajhall
5
Basis status error on return from postsolve bug LP
#1896 opened Aug 27, 2024 by jajhall
@jajhall
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