diff --git a/package-lock.json b/package-lock.json
index 87c5db8..8c3b0a3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "smithy-vscode-extension",
-  "version": "0.5.4",
+  "version": "0.6.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "smithy-vscode-extension",
-      "version": "0.5.4",
+      "version": "0.6.0",
       "license": "Apache-2.0",
       "dependencies": {
         "follow-redirects": "^1.15.6",
@@ -259,15 +259,16 @@
       }
     },
     "node_modules/@vscode/vsce": {
-      "version": "2.22.0",
-      "resolved": "https://registry.npmjs.org/@vscode/vsce/-/vsce-2.22.0.tgz",
-      "integrity": "sha512-8df4uJiM3C6GZ2Sx/KilSKVxsetrTBBIUb3c0W4B1EWHcddioVs5mkyDKtMNP0khP/xBILVSzlXxhV+nm2rC9A==",
+      "version": "2.23.0",
+      "resolved": "https://registry.npmjs.org/@vscode/vsce/-/vsce-2.23.0.tgz",
+      "integrity": "sha512-Wf9yN8feZf4XmUW/erXyKQvCL577u72AQv4AI4Cwt5o5NyE49C5mpfw3pN78BJYYG3qnSIxwRo7JPvEurkQuNA==",
       "dev": true,
       "dependencies": {
         "azure-devops-node-api": "^11.0.1",
         "chalk": "^2.4.2",
         "cheerio": "^1.0.0-rc.9",
         "commander": "^6.2.1",
+        "find-yarn-workspace-root": "^2.0.0",
         "glob": "^7.0.6",
         "hosted-git-info": "^4.0.2",
         "jsonc-parser": "^3.2.0",
@@ -1535,6 +1536,15 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/find-yarn-workspace-root": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/find-yarn-workspace-root/-/find-yarn-workspace-root-2.0.0.tgz",
+      "integrity": "sha512-1IMnbjt4KzsQfnhnzNd8wUEgXZ44IzZaZmnLYx7D5FZlaHt2gW20Cri8Q+E/t5tIj4+epTBub+2Zxu/vNILzqQ==",
+      "dev": true,
+      "dependencies": {
+        "micromatch": "^4.0.2"
+      }
+    },
     "node_modules/flat": {
       "version": "5.0.2",
       "resolved": "https://registry.npmjs.org/flat/-/flat-5.0.2.tgz",
diff --git a/package.json b/package.json
index a991a53..1f4daf0 100644
--- a/package.json
+++ b/package.json
@@ -20,10 +20,6 @@
     "Programming Languages",
     "Snippets"
   ],
-  "activationEvents": [
-    "onLanguage:smithy",
-    "onCommand:smithy.runSelector"
-  ],
   "main": "./out/src/extension",
   "preview": true,
   "contributes": {
@@ -106,25 +102,33 @@
           "default": "verbose",
           "description": "Traces the communication between VS Code and the language server."
         },
-        "smithyLsp.logToFile": {
-          "scope": "window",
-          "type": "string",
-          "enum": [
-            "enabled",
-            "disabled"
-          ],
-          "default": "disabled",
-          "description": "Writes additional logging to .smithy.lsp.log file in workspace."
-        },
         "smithyLsp.version": {
           "scope": "window",
           "type": "string",
-          "default": "0.2.4",
-          "description": "Version of the Smithy LSP (see https://github.com/smithy-lang/smithy-language-server)"
+          "default": "0.4.0",
+          "description": "Version of the Smithy Language Server (see https://github.com/smithy-lang/smithy-language-server)."
         },
         "smithyLsp.rootPath": {
           "scope": "resource",
           "type": "string"
+        },
+        "smithyLsp.diagnostics.minimumSeverity": {
+          "scope": "window",
+          "type": "string",
+          "enum": [
+            "NOTE",
+            "WARNING",
+            "DANGER",
+            "ERROR"
+          ],
+          "default": "WARNING",
+          "description": "Minimum severity of Smithy validation events to display in the editor."
+        },
+        "smithyLsp.onlyReloadOnSave": {
+          "scope": "window",
+          "type": "boolean",
+          "default": false,
+          "description": "Whether to only re-load the Smithy model on save. Use this if the server feels slow as you type."
         }
       }
     }
diff --git a/src/extension.ts b/src/extension.ts
index 2d7f4f6..d17bc9f 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -68,6 +68,8 @@ export function activate(context: vscode.ExtensionContext) {
               let launchargs = [
                 "launch",
                 "software.amazon.smithy:smithy-language-server:" + version,
+                "--jvm",
+                "21",
                 "-r",
                 "m2local",
                 "-M",
@@ -179,11 +181,13 @@ function getClientOptions(): LanguageClientOptions {
     workspaceFolder,
 
     initializationOptions: {
-      logToFile: vscode.workspace.getConfiguration("smithyLsp").get("logToFile", "disabled"),
+      "diagnostics.minimumSeverity": vscode.workspace.getConfiguration("smithyLsp").get("diagnostics.minimumSeverity"),
+      onlyReloadOnSave: vscode.workspace.getConfiguration("smithyLsp").get("onlyReloadOnSave"),
     },
 
     // Don't switch to output window when the server returns output.
     revealOutputChannelOn: RevealOutputChannelOn.Never,
+    progressOnInitialization: true,
   };
 }