Restore React 18 for the website

website/package.json

@@ -13,8 +13,8 @@
     "@docusaurus/core": "2.1.0",
     "@docusaurus/preset-classic": "2.1.0",
     "classnames": "^2.2.6",
-    "react": "^19.0.0",
-    "react-dom": "^19.0.0",
+    "react": "^18.1.0",
+    "react-dom": "^18.1.0",
     "react-lite-youtube-embed": "^2.0.3",
     "remark-typescript-tools": "^1.1.0",
     "typescript": "^4.9"

yarn.lock

@@ -20346,7 +20346,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"loose-envify@npm:^1.0.0, loose-envify@npm:^1.2.0, loose-envify@npm:^1.3.1, loose-envify@npm:^1.4.0":
+"loose-envify@npm:^1.0.0, loose-envify@npm:^1.1.0, loose-envify@npm:^1.2.0, loose-envify@npm:^1.3.1, loose-envify@npm:^1.4.0":
   version: 1.4.0
   resolution: "loose-envify@npm:1.4.0"
   dependencies:
@@ -25419,6 +25419,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"react-dom@npm:^18.1.0":
+  version: 18.3.1
+  resolution: "react-dom@npm:18.3.1"
+  dependencies:
+    loose-envify: "npm:^1.1.0"
+    scheduler: "npm:^0.23.2"
+  peerDependencies:
+    react: ^18.3.1
+  checksum: 10/3f4b73a3aa083091173b29812b10394dd06f4ac06aff410b74702cfb3aa29d7b0ced208aab92d5272919b612e5cda21aeb1d54191848cf6e46e9e354f3541f81
+  languageName: node
+  linkType: hard
+
 "react-dom@npm:^19.0.0":
   version: 19.0.0
   resolution: "react-dom@npm:19.0.0"
@@ -25853,6 +25865,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"react@npm:^18.1.0":
+  version: 18.3.1
+  resolution: "react@npm:18.3.1"
+  dependencies:
+    loose-envify: "npm:^1.1.0"
+  checksum: 10/261137d3f3993eaa2368a83110466fc0e558bc2c7f7ae7ca52d94f03aac945f45146bd85e5f481044db1758a1dbb57879e2fcdd33924e2dde1bdc550ce73f7bf
+  languageName: node
+  linkType: hard
+
 "react@npm:^19.0.0":
   version: 19.0.0
   resolution: "react@npm:19.0.0"
@@ -27227,6 +27248,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"scheduler@npm:^0.23.2":
+  version: 0.23.2
+  resolution: "scheduler@npm:0.23.2"
+  dependencies:
+    loose-envify: "npm:^1.1.0"
+  checksum: 10/e8d68b89d18d5b028223edf090092846868a765a591944760942b77ea1f69b17235f7e956696efbb62c8130ab90af7e0949bfb8eba7896335507317236966bc9
+  languageName: node
+  linkType: hard
+
 "scheduler@npm:^0.25.0":
   version: 0.25.0
   resolution: "scheduler@npm:0.25.0"
@@ -31165,8 +31195,8 @@ __metadata:
     classnames: "npm:^2.2.6"
     netlify-plugin-cache: "npm:^1.0.3"
     prettier: "npm:^3.2.5"
-    react: "npm:^19.0.0"
-    react-dom: "npm:^19.0.0"
+    react: "npm:^18.1.0"
+    react-dom: "npm:^18.1.0"
     react-lite-youtube-embed: "npm:^2.0.3"
     remark-typescript-tools: "npm:^1.1.0"
     typescript: "npm:^4.9"