diff --git a/README.md b/README.md
index cce7b67b..b0a05b43 100644
--- a/README.md
+++ b/README.md
@@ -62,6 +62,8 @@ Previously opened sessions are stored as part of application data and they are l
   - `jlab ../test.py` launch python file with relative path
 - Open with a custom Python environment
   - `jlab --python-path /Users/username/custom_env/bin/python ../notebooks/test.ipynb` launch notebook with custom Python environment
+- Connect to existing JupyterLab server
+  - `jlab https://example.org/lab?token=abcde`
 
 For additional CLI options run `jlab --help` in command line.
 
diff --git a/Release.md b/Release.md
index b07dcc39..e04da82a 100644
--- a/Release.md
+++ b/Release.md
@@ -37,13 +37,12 @@ In order to change the JupyterLab version bundled with the application:
    ```bash
    yarn create_env_installer:osx-64 && yarn update_binary_sign_list --platform osx-64
    ```
+
    ```bash
    yarn create_env_installer:osx-arm64 && yarn update_binary_sign_list --platform osx-arm64
    ```
 
-4. If python version is updated in [`env_installer/jlab_server.yaml`](env_installer/jlab_server.yaml), also update `pythonBin` variables in [`util.ts`](src/main/utils.ts) that are used in code signing related methods.
-
-5. Update `ipywidgets` python package version in [`env_installer/jlab_server.yaml`](env_installer/jlab_server.yaml) if there is a compatible newer version available.
+4. Update `ipywidgets` python package version in [`env_installer/jlab_server.yaml`](env_installer/jlab_server.yaml) if there is a compatible newer version available.
 
 Note that after updating the bundled JupyterLab version, it is necessary to bump JupyterLab Desktop version using `tbump` as described in the section below. Run `check_version_match` script before committing the changes to ensure version integrity.
 
diff --git a/src/main/utils.ts b/src/main/utils.ts
index 5800df29..9cb52cff 100644
--- a/src/main/utils.ts
+++ b/src/main/utils.ts
@@ -499,7 +499,6 @@ export function createCommandScriptInEnv(
   back to ad-hoc signed.
 */
 export function createUnsignScriptInEnv(envPath: string): string {
-  const pythonBin = 'bin/python3.8';
   const appDir = getAppDir();
   const signListFile = path.join(
     appDir,
@@ -510,17 +509,15 @@ export function createUnsignScriptInEnv(envPath: string): string {
   const signList: string[] = [];
 
   fileContents.split(/\r?\n/).forEach(line => {
-    if (line && line !== pythonBin) {
+    if (line) {
       signList.push(`"${line}"`);
     }
   });
 
-  // remove hardened runtime flag, convert to ad-hoc
-  const removeRuntimeFlagCommand = `codesign -s - -o 0x2 -f ${pythonBin}`;
-
-  return `cd ${envPath} && codesign --remove-signature ${signList.join(
+  // sign all binaries with ad-hoc signature
+  return `cd ${envPath} && codesign -s - -o 0x2 -f ${signList.join(
     ' '
-  )} && ${removeRuntimeFlagCommand} && cd -`;
+  )} && cd -`;
 }
 
 export function getLogFilePath(processType: 'main' | 'renderer' = 'main') {