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x0k opened this issue Jun 14, 2025 · 1 comment · Fixed by #16185
Closed

Rendering a dynamic component within a dynamic component is broken #16163

x0k opened this issue Jun 14, 2025 · 1 comment · Fixed by #16185

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@x0k
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x0k commented Jun 14, 2025

Describe the bug

Regression in 5.34.0

Reproduction

REPL

Logs



System Info


System:
    OS: Linux 6.6 cpe:/o:nixos:nixos:24.11 24.11 (Vicuna)
    CPU: (12) x64 Intel(R) Core(TM) i5-10400F CPU @ 2.90GHz
    Memory: 3.91 GB / 15.56 GB
    Container: Yes
    Shell: 5.2.37 - /run/current-system/sw/bin/bash
  Binaries:
    Node: 24.1.0 - /nix/store/wnayblhh0555nwfccnzcqkzph52y4yby-nodejs-24.1.0/bin/node
    npm: 11.3.0 - /nix/store/wnayblhh0555nwfccnzcqkzph52y4yby-nodejs-24.1.0/bin/npm
    pnpm: 10.10.0 - /nix/store/52cvbcrszd9fxs0rzjrnf0jc802968cm-pnpm-10.11.1/bin/pnpm
  Browsers:
    Brave Browser: 136.1.78.102
  npmPackages:
    svelte: catalog: => 5.34.3


Severity


blocking an upgrade

      		
    

      
  





        



            
            

              
            

        

      


      
    








      

    



      

  
          

  

    
  


  

      

    @x0k
x0k



    mentioned this issue
    
      Jun 14, 2025
    





  


  

      
  
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  @RobertB4





  


    

      

  

    

        
    
    

  


      
          
  
      
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            RobertB4
  

      

      

      commented


        Jun 15, 2025


      
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I am experiencing a similar issue.

I haven't looked into exactly what broke under the hood, but when I woke up today my end to end tests were no longer passing. After hours of debugging I found that it was an issue with svelte's reactivity.


My tests pass with svelte 5.34.2 but fail with 5.34.3, everything else being equal. For now, I changed my project's svelte version to 5.34.2 to get unblocked.

      		
    

  





        


            

            
            

              
            

        

      


      

            
  
  

    
  
    
    

  

  

  


    












      

  
          

  

    
  


  

      

    @7nik
7nik



    mentioned this issue
    
      Jun 16, 2025
    





  


  

      
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      fix: avoid shadowing a variable in dynamic components

    
      sveltejs/svelte
    





      
    

  




      

    

  
      

  

    

      2 participants
    

    

        
          @x0k 
        
          @RobertB4