From: richard.lewis.debian@googlemail.com 
  
 Richard Lewis  writes: 
  
 > On Tue, 12 Aug 2025 at 15:27, Colin Crawford  
 wrote: 
 >> 
 >> Hi Chris, 
 >> 
 >> Thanks for the quick reply. I'm not a developer, so I'm afraid I 
 >> don't know what an MR is or how to submit a patch. However, I've 
 >> taken the text of the relevant NEWS item from the systemd-resolved 
 >> package as a starting point for the text below. Please let me know 
 >> if this draft is useful: 
 >> 
 >> For trixie, mDNS support is now globally disabled by default in 
 systemd-resolved. 
 > 
 > can we explain what mDNS is - or link to somewhere that does. i have 
 > tried and failed to understand what it's purpose is before, without 
 > success. 
 > 
 >> Users relying on mDNS who are not already using Avahi 
 > 
 > this bit is a bit confusing as it starts talking about one package and 
 > then mentions avahi which is a different package. I suggest: 
 > 
 > 
 as usual, i missed out a word, so adding some markup, and guessing what 
 mDNS is for: 
  
  
  
 In trixie, **systemd-resolved** no longer enables mDNS support by 
 default to prevent conflicts with the **avahi** package. mDNS helps you 
 access systems and devices, such as printers, on your local network. 
  
 To continue using systemd-resolved's mDNS support you can run the 
 following as root: 
  
 .. code-block:: 
  
         mkdir -p /etc/systemd/resolved.conf.d/ 
         touch /etc/systemd/resolved.conf.d/00-disable-mdns.conf 
  
 It is recommended to do this before upgrading to ensure your system 
 remains reachable. 
  
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