error TS2694: Namespace ...firebase/index"' has no exported member 'User'

- [x] bug report -> please search issues before submitting
- [ ] feature request

OS and Version?

> Windows 10

Versions

Angular CLI: 11.0.2
Node: 14.13.1
OS: win32 x64

Angular: 11.0.2
... animations, cli, common, compiler, compiler-cli, core, forms
... platform-browser, platform-browser-dynamic, router
Ivy Workspace: Yes

Package                         Version
---------------------------------------------------------
@angular-devkit/architect       0.1100.2
@angular-devkit/build-angular   0.1100.2
@angular-devkit/core            11.0.2
@angular-devkit/schematics      11.0.2
@angular/cdk                    11.0.0
@angular/fire                   6.1.1
@angular/flex-layout            11.0.0-beta.33
@angular/material               11.0.0
@schematics/angular             11.0.2
@schematics/update              0.1100.2
rxjs                            6.6.3
typescript                      4.0.5

Repro steps

Just start the project (ng s -o)

The log given by the failure

Project compiling and runing but in terminal error:

Error: src/app/Services/auth.service.ts:10:30 - error TS2694: Namespace '"C:/PROJECTS/TIMRL/timrl-md/node_modules/firebase/index"' has no exported member 'User'.    
    10   user$: Observable<firebase.User | null>;

[AnthonyNahas]

@DavidTheProgrammer thank again mate 🍻

[longcharmroeun]

Update to lastest version (5.0.0)