For Cuda 11.4 you can subscribe and upvote to:

  

      github.com/tensorflow/tensorflow
  

  
    
  
	  
  

  
    
      Upgrade TF to CUDA 11.4 and cuDNN 8.2  70
    

    
      
        opened 
        
          
        
        Aug 25, 2021
      
      


      
        
          
          pkanwar23
        
      
    

    
        type:build/install
    
  


  
    Upgrade TF to CUDA 11.4 and cuDNN 8.2 
  

  

  
    
    
  

  


I think TensorFlow 2.6.0 is on CUDA 11.2