Update Operations.jl

Author: IanButterworth

src/Operations.jl

@@ -338,13 +338,14 @@ function resolve_versions!(env::EnvCache, registries::Vector{Registry.RegistryIn
         names[pkg.uuid] = pkg.name
     end
 
-    jv = env.manifest.julia_version
-    manifest_same_version = !isnothing(jv) && jv.major == VERSION.major && jv.minor == VERSION.minor
-    # if the manifest was previously resolved by the same major-minor julia version, don't require stdlib versions
-    # to remain the same. This allows manifests that were generated on nightly julia versions, where stdlibs may change version
-    # to be updated
-
-    reqs = Resolve.Requires(pkg.uuid => (manifest_same_version && is_stdlib(pkg.uuid)) ? VersionSpec("*") : VersionSpec(pkg.version) for pkg in pkgs)
+    mjv = env.manifest.julia_version
+    allow_stdlib_changes = julia_version == VERSION && !isnothing(mjv) && mjv.major == VERSION.major && mjv.minor == VERSION.minor
+    # if the manifest was previously resolved by the same major-minor julia version as the current version and the version that is being
+    # requested, don't require stdlib versions to remain the same. This allows manifests that were generated on nightly julia versions, or
+    # different patch releases where stdlibs may change version to be updated. Otherwise manifests will be invalid & break Pkg.precompile
+    # as they will have different stdlib versions listed to those which will be loaded
+
+    reqs = Resolve.Requires(pkg.uuid => (allow_stdlib_changes && is_stdlib(pkg.uuid)) ? VersionSpec("*") : VersionSpec(pkg.version) for pkg in pkgs)
     graph, compat_map = deps_graph(env, registries, names, reqs, fixed, julia_version)
     Resolve.simplify_graph!(graph)
     vers = Resolve.resolve(graph)