com.unity.test-framework.performance.tests@2.0.6-preview cannot be found

After updating to 2.0.6 Unity fails to download the dependent packages

"com.unity.test-framework.performance.tests@2.0.6-preview cannot be found"

Code (CSharp):

1. {
2.   "dependencies": {
3.     "com.unity.burst": "1.2.0",
4.     "com.unity.collections": "0.5.0-preview.9",
5.     "com.unity.entities": "0.5.0-preview.17",
6.     "com.unity.ext.nunit": "1.0.0",
7.     "com.unity.ide.rider": "1.1.4",
8.     "com.unity.inputsystem": "1.0.0-preview.3",
9.     "com.unity.jobs": "0.2.3-preview.9",
10.     "com.unity.mathematics": "1.1.0",
11.     "com.unity.memoryprofiler": "0.2.0-preview.1",
12.     "com.unity.performance.profile-analyzer": "0.5.0-preview.1",
13.     "com.unity.physics": "0.2.5-preview.1",
14.     "com.unity.quicksearch": "1.4.1",
15.     "com.unity.rendering.hybrid": "0.3.2-preview.17",
16.     "com.unity.searcher": "4.0.9",
17.     "com.unity.test-framework.performance": "2.0.6-preview",
18.     "com.unity.test-framework.performance.tests": "2.0.6-preview",
19.     "com.unity.testtools.codecoverage": "0.2.2-preview",
20.     "com.unity.textmeshpro": "2.0.1",
21.     "nuget.mono-cecil": "0.1.6-preview",
22.     "com.unity.modules.animation": "1.0.0",
23.     "com.unity.modules.assetbundle": "1.0.0",
24.     "com.unity.modules.audio": "1.0.0",
25.     "com.unity.modules.imageconversion": "1.0.0",
26.     "com.unity.modules.imgui": "1.0.0",
27.     "com.unity.modules.jsonserialize": "1.0.0",
28.     "com.unity.modules.physics": "1.0.0",
29.     "com.unity.modules.physics2d": "1.0.0",
30.     "com.unity.modules.terrain": "1.0.0",
31.     "com.unity.modules.terrainphysics": "1.0.0",
32.     "com.unity.modules.ui": "1.0.0",
33.     "com.unity.modules.uielements": "1.0.0",
34.     "com.unity.modules.umbra": "1.0.0",
35.     "com.unity.modules.unitywebrequest": "1.0.0",
36.     "com.unity.modules.unitywebrequestassetbundle": "1.0.0",
37.     "com.unity.modules.unitywebrequestaudio": "1.0.0",
38.     "com.unity.modules.unitywebrequestwww": "1.0.0",
39.     "com.unity.modules.vr": "1.0.0",
40.     "com.unity.modules.xr": "1.0.0"
41.   },
42.   "testables": [
43.     "com.unity.test-framework.performance"
44.   ]
45. }
46.  

I assume the test-framework itself ist not availailable in version 2.0.6-preview yet?