feat!: resolution-mode is lowest-direct by default (#6047)

.changeset/strong-papayas-learn.md

@@ -0,0 +1,7 @@
+---
+"@pnpm/core": major
+"@pnpm/config": major
+"pnpm": major
+---
+
+`resolution-mode` is `lowest-direct` by default.

config/config/src/index.ts

@@ -216,7 +216,7 @@ export async function getConfig (
     ],
     'recursive-install': true,
     registry: npmDefaults.registry,
-    'resolution-mode': 'highest',
+    'resolution-mode': 'lowest-direct',
     'resolve-peers-from-workspace-root': true,
     'save-peer': false,
     'save-workspace-protocol': 'rolling',

pkg-manager/core/src/install/extendInstallOptions.ts

@@ -178,7 +178,7 @@ const defaults = async (opts: InstallOptions) => {
     pruneStore: false,
     rawConfig: {},
     registries: DEFAULT_REGISTRIES,
-    resolutionMode: 'highest',
+    resolutionMode: 'lowest-direct',
     saveWorkspaceProtocol: 'rolling',
     lockfileIncludeTarballUrl: false,
     scriptsPrependNodePath: false,

pkg-manager/plugin-commands-installation/src/update/index.ts

@@ -274,6 +274,7 @@ async function update (
       ? createMatcher(dependencies)
       : undefined,
     updatePackageManifest: opts.save !== false,
+    resolutionMode: opts.save === false ? 'highest' : opts.resolutionMode,
   }, dependencies)
 }
 

pkg-manager/plugin-commands-installation/test/update/interactive.ts

@@ -220,7 +220,7 @@ test('interactive update of dev dependencies only', async () => {
   expect(
     Object.keys(lockfile.packages ?? {})
   ).toStrictEqual(
-    ['/is-negative@1.0.1', '/is-negative@2.1.0']
+    ['/is-negative@1.0.0', '/is-negative@2.1.0']
   )
 })