diff --git a/CHANGES_CURRENT.md b/CHANGES_CURRENT.md
index 4478fa9e47..36cf3ceb38 100644
--- a/CHANGES_CURRENT.md
+++ b/CHANGES_CURRENT.md
@@ -43,3 +43,4 @@
 - #3101 - Dependency: reason-fzy -> 485cae1
 - #3096 - OS: Add logging for `readdir` path (related #3092)
 - #3097 - Configuration: Remove unused `workbench.tree.indent` setting
+- #3115 - Dependency: vscode-exthost -> 1.53.0
diff --git a/node/package.json b/node/package.json
index 124d107862..09e30aa820 100644
--- a/node/package.json
+++ b/node/package.json
@@ -8,7 +8,7 @@
     "test": "jest"
   },
   "dependencies": {
-    "@onivim/vscode-exthost": "1.52.1001",
+    "@onivim/vscode-exthost": "1.53.0",
     "follow-redirects": "1.13.0",
     "fs-extra": "^8.1.0",
     "sudo-prompt": "^9.0.0",
diff --git a/node/yarn.lock b/node/yarn.lock
index 800805c004..b4d7c95008 100644
--- a/node/yarn.lock
+++ b/node/yarn.lock
@@ -2,16 +2,16 @@
 # yarn lockfile v1
 
 
-"@onivim/vscode-exthost@1.52.1001":
-  version "1.52.1001"
-  resolved "https://registry.yarnpkg.com/@onivim/vscode-exthost/-/vscode-exthost-1.52.1001.tgz#22139888543b604a2babb94c200693290fca4220"
-  integrity sha512-SbvMucGhnAnz7pwkcuv8sjgOLB8bdldYMm9d/c8Vhgm3yNwtDefsRcvmXyiXidCHRBoKk/ZRvO+9Ua7OiAMV/Q==
+"@onivim/vscode-exthost@1.53.0":
+  version "1.53.0"
+  resolved "https://registry.yarnpkg.com/@onivim/vscode-exthost/-/vscode-exthost-1.53.0.tgz#86fff6a92163c40c37e5934719992f6d3b6fc26b"
+  integrity sha512-eg9Cprn6MyueU56kAZZ6/ovN8BK1Lq8rZuGXsSh4O/vRTXJc3RJACsHtYsHzJOPAXwnlWKYx9rvKtaJc0tTFzg==
   dependencies:
     graceful-fs "4.2.3"
     iconv-lite-umd "0.6.8"
     minimist "^1.2.5"
     native-watchdog "1.3.0"
-    node-pty "^0.10.0-beta17"
+    node-pty "^0.10.0-beta19"
     semver-umd "^5.5.5"
     spdlog "^0.11.1"
     vscode-proxy-agent "^0.5.2"
@@ -146,10 +146,10 @@ native-watchdog@1.3.0:
   resolved "https://registry.yarnpkg.com/native-watchdog/-/native-watchdog-1.3.0.tgz#88cee94c9dc766b85c8506eda14c8bd8c9618e27"
   integrity sha512-WOjGRNGkYZ5MXsntcvCYrKtSYMaewlbCFplbcUVo9bE80LPVt8TAVFHYWB8+a6fWCGYheq21+Wtt6CJrUaCJhw==
 
-node-pty@^0.10.0-beta17:
-  version "0.10.0-beta9"
-  resolved "https://registry.yarnpkg.com/node-pty/-/node-pty-0.10.0-beta9.tgz#e5a795f9b53948346803cb71bac4ffc02e7909f0"
-  integrity sha512-Qm6uSH30FUcAhJ9s76C+lgvTsOW2cHUbkIGjCdOVCL0c7S4DxsmKBRgjcr+guUK9d9KwfuZHeSjXYWjpJFPe4w==
+node-pty@^0.10.0-beta19:
+  version "0.10.0"
+  resolved "https://registry.yarnpkg.com/node-pty/-/node-pty-0.10.0.tgz#c98d23967b076b35c9fb216c542a04d0b5db4821"
+  integrity sha512-Q65ookKbjhqWUYKmtZ6iPn0nnqNdzpm3YJOBmzwWJde/TrenBxK9FgqGGtSW0Wjz4YsR1grQF4a7RS5nBwuW9A==
   dependencies:
     nan "^2.14.0"
 
diff --git a/src/Exthost/Handlers.re b/src/Exthost/Handlers.re
index 321f5accdb..db1984d9d4 100644
--- a/src/Exthost/Handlers.re
+++ b/src/Exthost/Handlers.re
@@ -114,6 +114,7 @@ let handlers =
     ),
     mainNotImplemented("MainThreadTextEditors"),
     mainNotImplemented("MainThreadEditorInsets"),
+    mainNotImplemented("MainThreadEditorTabs"),
     main(
       ~handler=Msg.Errors.handle,
       ~mapper=msg => Msg.Errors(msg),
@@ -162,6 +163,7 @@ let handlers =
       ~mapper=msg => Msg.StatusBar(msg),
       "MainThreadStatusBar",
     ),
+    mainNotImplemented("MainThreadSecretStaet"),
     main(
       ~handler=Msg.Storage.handle,
       ~mapper=msg => Msg.Storage(msg),
@@ -182,7 +184,7 @@ let handlers =
     mainNotImplemented("MainThreadWebviewViews"),
     mainNotImplemented("MainThreadCustomEditors"),
     mainNotImplemented("MainThreadUrls"),
-    //mainNotImplemented("MainThreadUriOpeners"),
+    mainNotImplemented("MainThreadUriOpeners"),
     main(
       ~handler=Msg.Workspace.handle,
       ~mapper=msg => Msg.Workspace(msg),
@@ -247,9 +249,10 @@ let handlers =
     ext("ExtHostEditorInsets"),
     ext("ExtHostProgress"),
     ext("ExtHostComments"),
+    ext("ExtHostSecretState"),
     ext("ExtHostStorage"),
     ext("ExtHostUrls"),
-    //ext("ExtHostUriOpeners"),
+    ext("ExtHostUriOpeners"),
     ext("ExtHostOutputService"),
     ext("ExtHosLabelService"), // SIC
     ext("ExtHostNotebook"),
diff --git a/src/Store/ExtensionClient.re b/src/Store/ExtensionClient.re
index 0ac68e8eef..aea0a6bedb 100644
--- a/src/Store/ExtensionClient.re
+++ b/src/Store/ExtensionClient.re
@@ -333,7 +333,7 @@ let create =
        );
   let environment = [
     (
-      "AMD_ENTRYPOINT",
+      "VSCODE_AMD_ENTRYPOINT",
       "vs/workbench/services/extensions/node/extensionHostProcess",
     ),
     ("VSCODE_IPC_HOOK_EXTHOST", pipeStr),
diff --git a/test/Exthost/Test.re b/test/Exthost/Test.re
index 73cfeea29b..f601c95ca5 100644
--- a/test/Exthost/Test.re
+++ b/test/Exthost/Test.re
@@ -127,7 +127,7 @@ let startWithExtensions =
       ~env=[
         ("PATH", Oni_Core.ShellUtility.getPathFromEnvironment()),
         (
-          "AMD_ENTRYPOINT",
+          "VSCODE_AMD_ENTRYPOINT",
           "vs/workbench/services/extensions/node/extensionHostProcess",
         ),
         ("PIPE_LOGGING", "true"), // Pipe logging to parent