chore(logs): encourage svelte5 users to update from vps3 to vps4

Author: dominikg

.changeset/wise-glasses-call.md

@@ -0,0 +1,5 @@
+---
+'@sveltejs/vite-plugin-svelte': patch
+---
+
+add warning for svelte5 users to update to vite-plugin-svelte@4

.npmrc

@@ -1,2 +1,3 @@
 aggregate-output=true
 reporter=append-only
+dedupe-injected-deps=false # needed for _test_dependencies

package.json

@@ -59,9 +59,9 @@
       "prettier --cache --ignore-path .gitignore --ignore-unknown --write"
     ]
   },
-  "packageManager": "pnpm@8.15.7",
+  "packageManager": "pnpm@9.6.0",
   "engines": {
-    "pnpm": "^8.6.3",
+    "pnpm": "^9.6.0",
     "node": "^18.0.0 || >=20"
   },
   "pnpm": {

packages/vite-plugin-svelte/src/utils/log.js

@@ -262,7 +262,10 @@ export function isDebugNamespaceEnabled(namespace) {
 }
 
 export function logSvelte5Warning() {
-	const notice = `You are using Svelte ${VERSION}. Svelte 5 support is experimental, breaking changes can occur in any release until this notice is removed.`;
-	const wip = ['svelte-inspector is disabled until dev mode implements node to code mapping'];
-	log.warn(`${notice}\nwork in progress:\n - ${wip.join('\n - ')}\n`);
+	log.warn(
+		`You are using Svelte ${VERSION} with vite-plugin-svelte@3. Active Svelte 5 support has moved vite-plugin-svelte@4, it is only provided as-is here.
+			To receive bugfixes and new features update your devDependencies to "@sveltejs/vite-plugin-svelte": "^4.0.0-next.6" and install.
+			For framework integrations that depend on it (e.g. astro), you might have to add an override:
+			"overrides": {"@sveltejs/vite-plugin-svelte": "^4.0.0-next.6"}`.replace(/\n\s*/gm, '\n\t')
+	);
 }