As another commenter mentioned, LTS for Windows XP and Server 2003 is very good - where else can you expect 15+ years of support?
> but as a business, I would always be interested in minimizing my maintenance burden.
The argument that I'm trying to make is that by deferring maintenance until it is too late, you're actually dramatically increasing your maintenance burden in the long term. Testing and maintenance fixes for your app to support Chrome updates, which rarely break anything, will be much lower over a 10+ year (or probably even 5+ year) timeframe than just sticking your head in the sand and making someone 10 years from now pay an astronomical cost to refactor the app completely.
> but as a business, I would always be interested in minimizing my maintenance burden.
The argument that I'm trying to make is that by deferring maintenance until it is too late, you're actually dramatically increasing your maintenance burden in the long term. Testing and maintenance fixes for your app to support Chrome updates, which rarely break anything, will be much lower over a 10+ year (or probably even 5+ year) timeframe than just sticking your head in the sand and making someone 10 years from now pay an astronomical cost to refactor the app completely.