diff --git a/package-lock.json b/package-lock.json
index f3d2fa2..6818fb3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,23 +13,14 @@
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-        "@typescript-eslint/eslint-plugin": "^4.21.0",
-        "@typescript-eslint/parser": "^4.21.0",
         "animejs": "^3.2.1",
         "dompurify": "^2.2.7",
-        "eslint": "^7.24.0",
-        "eslint-plugin-clean-regex": "^0.5.1",
-        "eslint-plugin-svelte3": "^3.1.2",
         "faunadb": "^4.1.3",
         "idb": "^6.0.0",
         "js-yaml": "^4.0.0",
         "katex": "^0.12.0",
         "markdown-it": "^12.0.4",
         "morphdom": "^2.6.1",
-        "stylelint": "^13.12.0",
-        "stylelint-config-rational-order": "^0.1.2",
-        "stylelint-order": "^4.1.0",
-        "stylelint-plugin-stylus": "^0.10.0",
         "threads": "^1.6.3",
         "tippy.js": "^6.3.1"
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@@ -51,7 +42,7 @@
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         "svelte-preprocess": "^4.7.0",
         "tinro": "^0.6.1",
-        "typescript": "4.3.0-beta"
+        "typescript": "4.3.0-dev.20210505"
       },
       "optionalDependencies": {
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@@ -1843,7 +1834,6 @@
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         "braces": "~3.0.2",
-        "fsevents": "~2.3.1",
         "glob-parent": "~5.1.0",
         "is-binary-path": "~2.1.0",
         "is-glob": "~4.0.1",
@@ -2521,12 +2511,11 @@
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-      "version": "0.11.7",
-      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.11.7.tgz",
-      "integrity": "sha512-rY+jA0TiCFVLcvxUbbp+yQ9EEBXDsfIU4rsY7RKJEsx/fjjRFjyGnamRCBwUZQspK37G9We6xAkX7IibGA24AA==",
+      "version": "0.11.19",
+      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.11.19.tgz",
+      "integrity": "sha512-X2h8UThAwKLxmc1OChHVegIScphS/qU9cUB5vCEV2T0A024E8Ptpg9xssXXcs+j1uEgXrDJZuVRzx2JsmGzq7A==",
       "dev": true,
       "hasInstallScript": true,
-      "license": "MIT",
       "bin": {
         "esbuild": "bin/esbuild"
       }
@@ -4188,7 +4177,6 @@
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       "dev": true,
       "dependencies": {
-        "graceful-fs": "^4.1.6",
         "universalify": "^2.0.0"
       },
       "optionalDependencies": {
@@ -6634,9 +6622,6 @@
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       "dev": true,
       "peer": true,
-      "dependencies": {
-        "fsevents": "~2.3.1"
-      },
       "bin": {
         "rollup": "dist/bin/rollup"
       },
@@ -7046,7 +7031,6 @@
         "default-browser-id": "^2.0.0",
         "esbuild": "^0.9.3",
         "fdir": "^5.0.0",
-        "fsevents": "^2.2.0",
         "open": "^7.0.4",
         "picomatch": "^2.2.2",
         "resolve": "^1.20.0",
@@ -7094,9 +7078,6 @@
       "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.37.1.tgz",
       "integrity": "sha512-V3ojEeyGeSdrMSuhP3diBb06P+qV4gKQeanbDv+Qh/BZbhdZ7kHV0xAt8Yjk4GFshq/WjO7R4c7DFM20AwTFVQ==",
       "dev": true,
-      "dependencies": {
-        "fsevents": "~2.1.2"
-      },
       "bin": {
         "rollup": "dist/bin/rollup"
       },
@@ -9142,8 +9123,7 @@
         "callsites": "^3.1.0",
         "debug": "^4.1.1",
         "is-observable": "^1.1.0",
-        "observable-fns": "^0.5.1",
-        "tiny-worker": ">= 2"
+        "observable-fns": "^0.5.1"
       },
       "optionalDependencies": {
         "tiny-worker": ">= 2"
@@ -9328,9 +9308,9 @@
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     "node_modules/typescript": {
-      "version": "4.3.0-beta",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.0-beta.tgz",
-      "integrity": "sha512-bl3wxSVL6gWLQFa466Vm5Vk3z0BNx+QxWhb9wFiYEHm6H8oqFd8Wo3XjgCVxAa5yiSFFKgo/ngBpXdIwqo5o0A==",
+      "version": "4.3.0-dev.20210505",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.0-dev.20210505.tgz",
+      "integrity": "sha512-nwD0tapmG8DX8GLBeDCEYqiYjj5hMUB4eXiw7Z4MYkjlAD1VQ0gJAaf7BKkGRU5PpuDFGYH+elqgJckggKVW/A==",
       "devOptional": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -9843,6 +9823,7 @@
         "@codemirror/language": "^0.18.1",
         "@codemirror/language-data": "^0.18.0",
         "@codemirror/legacy-modes": "^0.18.0",
+        "@codemirror/lint": "^0.18.1",
         "@codemirror/matchbrackets": "^0.18.0",
         "@codemirror/rangeset": "^0.18.0",
         "@codemirror/rectangular-selection": "^0.18.0",
@@ -9964,7 +9945,7 @@
         "klona": "^2.0.4",
         "lezer": "^0.13.4",
         "lezer-tree": "^0.13.2",
-        "typescript": "4.3.0-beta"
+        "typescript": "4.3.0-dev.20210505"
       }
     },
     "packages/tarnation/node_modules/typescript": {
@@ -11566,12 +11547,11 @@
         "klona": "^2.0.4",
         "lezer": "^0.13.4",
         "lezer-tree": "^0.13.2",
-        "typescript": "4.3.0-beta"
+        "typescript": "4.3.0-dev.20210505"
       },
       "dependencies": {
         "typescript": {
-          "version": "4.3.0-beta",
-          "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.0-beta.tgz",
+          "version": "https://registry.npmjs.org/typescript/-/typescript-4.3.0-beta.tgz",
           "integrity": "sha512-bl3wxSVL6gWLQFa466Vm5Vk3z0BNx+QxWhb9wFiYEHm6H8oqFd8Wo3XjgCVxAa5yiSFFKgo/ngBpXdIwqo5o0A=="
         }
       }
@@ -11591,6 +11571,7 @@
         "@codemirror/language": "^0.18.1",
         "@codemirror/language-data": "^0.18.0",
         "@codemirror/legacy-modes": "^0.18.0",
+        "@codemirror/lint": "^0.18.1",
         "@codemirror/matchbrackets": "^0.18.0",
         "@codemirror/rangeset": "^0.18.0",
         "@codemirror/rectangular-selection": "^0.18.0",
@@ -12087,9 +12068,9 @@
       }
     },
     "esbuild": {
-      "version": "0.11.7",
-      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.11.7.tgz",
-      "integrity": "sha512-rY+jA0TiCFVLcvxUbbp+yQ9EEBXDsfIU4rsY7RKJEsx/fjjRFjyGnamRCBwUZQspK37G9We6xAkX7IibGA24AA==",
+      "version": "0.11.19",
+      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.11.19.tgz",
+      "integrity": "sha512-X2h8UThAwKLxmc1OChHVegIScphS/qU9cUB5vCEV2T0A024E8Ptpg9xssXXcs+j1uEgXrDJZuVRzx2JsmGzq7A==",
       "dev": true
     },
     "escalade": {
@@ -17353,9 +17334,9 @@
       }
     },
     "typescript": {
-      "version": "4.3.0-beta",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.0-beta.tgz",
-      "integrity": "sha512-bl3wxSVL6gWLQFa466Vm5Vk3z0BNx+QxWhb9wFiYEHm6H8oqFd8Wo3XjgCVxAa5yiSFFKgo/ngBpXdIwqo5o0A==",
+      "version": "4.3.0-dev.20210505",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.0-dev.20210505.tgz",
+      "integrity": "sha512-nwD0tapmG8DX8GLBeDCEYqiYjj5hMUB4eXiw7Z4MYkjlAD1VQ0gJAaf7BKkGRU5PpuDFGYH+elqgJckggKVW/A==",
       "devOptional": true
     },
     "uc.micro": {
diff --git a/package.json b/package.json
index 49ef1de..8cbf44f 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "svelte": "^3.37.0",
     "svelte-preprocess": "^4.7.0",
     "tinro": "^0.6.1",
-    "typescript": "4.3.0-beta"
+    "typescript": "4.3.0-dev.20210505"
   },
   "optionalDependencies": {
     "@typescript-eslint/eslint-plugin": "^4.21.0",
diff --git a/packages/tarnation/package.json b/packages/tarnation/package.json
index 56f0d40..e0af838 100644
--- a/packages/tarnation/package.json
+++ b/packages/tarnation/package.json
@@ -23,6 +23,6 @@
     "klona": "^2.0.4",
     "lezer": "^0.13.4",
     "lezer-tree": "^0.13.2",
-    "typescript": "4.3.0-beta"
+    "typescript": "4.3.0-dev.20210505"
   }
 }