cmd window closes after running ng serve --open

[PieterjanDeClippel]

Bug Report

Affected Package

• @angular/cli - 12.0.0
• https://www.npmjs.com/package/@angular/cli/v/12.0.0

Is this a regression?

• @angular/cli - 11.2.13 works fine, after creating a new angular app

Description

After running ng serve --open the cmd window is closed, and you cannot terminate the ng serve session without restarting your computer.

npm install --global @angular/[email protected]
ng new nowitsfixed --style=scss --routing
ng serve --open

Now the cmd stays open

Your Environment

Angular Version:

Angular CLI: 11.2.13
Node: 14.15.1
OS: win32 x64

Angular:
...
Ivy Workspace:

Package                      Version
------------------------------------------------------
@angular-devkit/architect    0.1102.13 (cli-only)
@angular-devkit/core         11.2.13 (cli-only)
@angular-devkit/schematics   11.2.13 (cli-only)
@schematics/angular          11.2.13 (cli-only)
@schematics/update           0.1102.13 (cli-only)

[petebacondarwin]

Transferring to the CLI project.

[alan-agius4]

Related to: sindresorhus/open#236

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