add bootstrap extensions to dev builds

build/lib/preLaunch.ts

@@ -53,6 +53,8 @@ async function main() {
 	// Can't require this until after dependencies are installed
 	const { getBuiltInExtensions } = require('./builtInExtensions');
 	await getBuiltInExtensions();
+	const { getBootstrapExtensions } = require('./bootstrapExtensions');
+	await getBootstrapExtensions();
 }
 
 if (require.main === module) {

src/vs/platform/extensionManagement/node/positronBootstrapExtensionsInitializer.ts

@@ -107,7 +107,7 @@ export class PositronBootstrapExtensionsInitializer extends Disposable {
 
 
 	private getVSIXPath(): URI {
-		return URI.file(join(this.environmentService.appRoot, 'extensions', 'bootstrap'));
+		return process.env['VSCODE_DEV'] ? URI.file(join(this.environmentService.appRoot, '.build', 'bootstrapExtensions')) : URI.file(join(this.environmentService.appRoot, 'extensions', 'bootstrap'));
 	}
 
 	override dispose(): void {