cannot upgrade project to angular 6.0

[KissBalazs]

Issue type

I'm submitting a ...

• bug report
• feature request
• question about the decisions made in the repository

Issue description

Current behavior:
ng update @angular/core does not compile in my project, which uses ngx-admin template.

I get the following error:
Invalid range: ">=2.1.0"

Expected behavior:
To be able to update.

Steps to reproduce:
ng update --all
or
ng update @angular/core

Other information:

Angular CLI: 6.0.0                                                                                                                                                                                                                                                             
Node: 9.4.0                                                                                                                                                                                                                                                                    
OS: linux x64                                                                                                                                                                                                                                                                  
Angular: 6.0.0                                                                                                                                                                                                                                                                 
... cli, compiler, core                                                                                                                                                                                                                                                        

Package                             Version                                                                                                                                                                                                                                    
-------------------------------------------------------------                                                                                                                                                                                                                  
@angular-devkit/architect           0.6.0                                                                                                                                                                                                                                      
@angular-devkit/build-angular       0.6.0                                                                                                                                                                                                                                      
@angular-devkit/build-optimizer     0.6.0                                                                                                                                                                                                                                      
@angular-devkit/core                0.6.0                                                                                                                                                                                                                                      
@angular-devkit/schematics          0.6.0                                                                                                                                                                                                                                      
@angular/animations                 5.2.10
@angular/common                     5.2.10
@angular/compiler-cli               5.2.10
@angular/forms                      5.2.10
@angular/http                       5.2.10
@angular/platform-browser           5.2.10
@angular/platform-browser-dynamic   5.2.10
@angular/platform-server            5.2.10
@angular/router                     5.2.10
@ngtools/webpack                    6.0.0
@schematics/angular                 0.6.0
@schematics/update                  0.6.0
rxjs                                6.1.0
typescript                          2.8.3
webpack                             4.6.0

[b0bi79]

Temporary Workaround (Source):

1. Update manually the angular packages to 6.0.0
2. ng update rxjs
3. ng update angular/core
4. ng update angular/material
5. if ng update installs typescript 2.8.3 you have to install typescript version 2.7.2. angular compiler doesn;t work with 2.8.3

[nnixaa]

Hey Guys, the latest 2.2.0 release supports Angular 6.