Hello,
I have been running openwrt on a Linksys WRT32X router with Expessvpn on my home network for over 4-5 years, it has worked flawlessly ever since. It`s running on version:
18.06.4 r7808-ef686b7292 / LuCI openwrt-18.06 branch (git-19.170.32094-4d6d8bc)
Can this version be upgraded in one step or would I have do it in multple steps?
Thanks in advance
I would recommend multiple steps -- this may be required anyway if your device made a transition to DSA or had partition size changes.
Your configs will not be compatible from 18.06 to 23.05, so you'll be configuring from scratch after the upgrades are complete.
See this thread for a similar conversation:
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I did the followig steps:
Sysupgrade from the 18.06 web interface to 19.07.10 then to 21.02.0 and then to 23.05.2
Success! Of course I had to redo my settigs
Thanks
Glad it all worked!
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Thanks! 
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