On 2.6 branch is

  

      github.com
  

  
    tensorflow/tensorflow/blob/v2.6.0-rc1/tensorflow/tools/ci_build/release/requirements_common.txt#L27 33



      
      
          wheel ~= 0.36.2
          wrapt ~= 1.12.1
          
          
# We need to pin the gast dependency exactly
          gast == 0.4.0
          
          
# Finally, install tensorboard and estimator and keras
          # Note that here we want the latest version that matches TF major.minor version
          # Note that we must use nightly here as these are used in nightly jobs
          # For release jobs, we will pin these on the release branch
          keras-nightly ~= 2.6.0.dev
          tb-nightly ~= 2.6.0.a
          tf-estimator-nightly ~= 2.6.0.dev
          
          
# Test dependencies
          grpcio ~= 1.38.0
          portpicker ~= 1.4.0
          scipy ~= 1.5.4  # NOTE: not the latest version due to py3.6
      
    
  


  

  
    
    
  

  


Or not?