diff --git a/patches/common/proposed-api.diff b/patches/common/proposed-api.diff
new file mode 100644
index 00000000..3c754966
--- /dev/null
+++ b/patches/common/proposed-api.diff
@@ -0,0 +1,34 @@
+Original source: https://github.com/coder/code-server/blob/v4.101.2/patches/proposed-api.diff
+
+Unconditionally enable the proposed API, and disable the `isProposedApiEnabled` check.
+
+Index: third-party-src/src/vs/workbench/services/extensions/common/extensions.ts
+===================================================================
+--- third-party-src.orig/src/vs/workbench/services/extensions/common/extensions.ts
++++ third-party-src//src/vs/workbench/services/extensions/common/extensions.ts
+@@ -314,10 +314,7 @@ function extensionDescriptionArrayToMap(
+ }
+ 
+ export function isProposedApiEnabled(extension: IExtensionDescription, proposal: ApiProposalName): boolean {
+-	if (!extension.enabledApiProposals) {
+-		return false;
+-	}
+-	return extension.enabledApiProposals.includes(proposal);
++	return true;
+ }
+ 
+ export function checkProposedApiEnabled(extension: IExtensionDescription, proposal: ApiProposalName): void {
+Index: third-party-src/src/vs/workbench/services/extensions/common/extensionsProposedApi.ts
+===================================================================
+--- third-party-src.orig/src/vs/workbench/services/extensions/common/extensionsProposedApi.ts
++++ third-party-src/src/vs/workbench/services/extensions/common/extensionsProposedApi.ts
+@@ -31,7 +31,7 @@ export class ExtensionsProposedApi {
+ 
+ 		this._envEnabledExtensions = new Set((_environmentService.extensionEnabledProposedApi ?? []).map(id => ExtensionIdentifier.toKey(id)));
+ 
+-		this._envEnablesProposedApiForAll =
++		this._envEnablesProposedApiForAll = true ||
+ 			!_environmentService.isBuilt || // always allow proposed API when running out of sources
+ 			(_environmentService.isExtensionDevelopment && productService.quality !== 'stable') || // do not allow proposed API against stable builds when developing an extension
+ 			(this._envEnabledExtensions.size === 0 && Array.isArray(_environmentService.extensionEnabledProposedApi)); // always allow proposed API if --enable-proposed-api is provided without extension ID
+
diff --git a/patches/sagemaker.series b/patches/sagemaker.series
index 34af0ce2..e29364f0 100644
--- a/patches/sagemaker.series
+++ b/patches/sagemaker.series
@@ -11,6 +11,8 @@ common/remove-vsda.diff
 common/embedded-api.diff
 common/remove-disable-prompting-for-non-trusted-urls-option.diff
 common/suppress-known-errors-script.diff
+common/service-worker-fix.diff
+common/proposed-api.diff
 web-server/suppress-known-errors-build-integration.diff
 web-server/local-storage.diff
 web-server/base-path.diff
diff --git a/patches/web-embedded-with-terminal.series b/patches/web-embedded-with-terminal.series
index be26d494..b2ac602e 100644
--- a/patches/web-embedded-with-terminal.series
+++ b/patches/web-embedded-with-terminal.series
@@ -12,6 +12,7 @@ common/embedded-api.diff
 common/remove-disable-prompting-for-non-trusted-urls-option.diff
 common/suppress-known-errors-script.diff
 common/service-worker-fix.diff
+common/proposed-api.diff
 web-embedded/readd-workbench.diff
 web-embedded/suppress-known-errors-build-integration.diff
 web-embedded/disable-built-in-walkthroughs-from-c.diff
diff --git a/patches/web-embedded.series b/patches/web-embedded.series
index d23ddc99..65a94776 100644
--- a/patches/web-embedded.series
+++ b/patches/web-embedded.series
@@ -12,6 +12,7 @@ common/embedded-api.diff
 common/remove-disable-prompting-for-non-trusted-urls-option.diff
 common/suppress-known-errors-script.diff
 common/service-worker-fix.diff
+common/proposed-api.diff
 web-embedded/readd-workbench.diff
 web-embedded/suppress-known-errors-build-integration.diff
 web-embedded/disable-built-in-walkthroughs-from-c.diff
diff --git a/patches/web-server.series b/patches/web-server.series
index 515e4c3b..b45d7bbb 100644
--- a/patches/web-server.series
+++ b/patches/web-server.series
@@ -12,6 +12,7 @@ common/embedded-api.diff
 common/remove-disable-prompting-for-non-trusted-urls-option.diff
 common/suppress-known-errors-script.diff
 common/service-worker-fix.diff
+common/proposed-api.diff
 web-server/suppress-known-errors-build-integration.diff
 web-server/local-storage.diff
 web-server/base-path.diff