A recent Pkg.update() caused a couple of packages to get downgraded:
julia> Pkg.update()
INFO: Updating METADATA...
INFO: Updating cache of Lazy...
INFO: Updating cache of IJulia...
INFO: Updating cache of RecipesBase...
INFO: Updating cache of Parameters...
INFO: Updating cache of Codecs...
INFO: Updating cache of NLSolversBase...
INFO: Updating Devices master...
INFO: Computing changes...
INFO: Upgrading Codecs: v0.3.0 => v0.4.0
INFO: Downgrading DiffBase: v0.3.2 => v0.2.0
INFO: Downgrading DiffEqBase: v1.23.1 => v1.14.1
INFO: Downgrading ForwardDiff: v0.6.0 => v0.4.2
INFO: Upgrading IJulia: v1.6.1 => v1.6.2
INFO: Installing Iterators v0.3.1
INFO: Upgrading Lazy: v0.11.7 => v0.12.0
INFO: Downgrading LineSearches: v2.2.1 => v0.1.5
INFO: Downgrading NLsolve: v0.11.0 => v0.9.1
INFO: Downgrading Optim: v0.9.3 => v0.7.8
INFO: Downgrading OrdinaryDiffEq: v2.19.1 => v2.4.0
INFO: Upgrading Parameters: v0.7.3 => v0.8.0
INFO: Upgrading RecipesBase: v0.2.2 => v0.2.3
INFO: Downgrading ReverseDiff: v0.2.0 => v0.1.5
INFO: Removing CommonSubexpressions v0.0.1
INFO: Removing DiffEqDiffTools v0.0.2
INFO: Removing DiffResults v0.0.1
INFO: Removing DiffRules v0.0.1
INFO: Removing MuladdMacro v0.0.2
INFO: Building SpecialFunctions
...
None of the upgraded packages seem to have upper bounds on any of the packages that got downgraded. This issue occasionally occurs, and becomes more and more frustrating each time. How can I find the culprit?
Thanks.