How to handle the inability to replace UI frameworks? Designing to ensure the UI never becomes outdated

In long-running web services, this often happens."I want to make the UI look modern. But the UI framework we're using is old.
InfoQ

MUI Releases Base UI 1 with 35 Accessible Components

Base UI, an unstyled React component library from the creators of Radix, Floating UI, and Material UI, has released version 1, marking the project's transition to production-ready stability after two ...
SD Times

Infragistics Ultimate 25.1 includes updates across several of its UI toolkit components

Infragistics has released an update to its UX/UI platform, adding new features to App Builder and new components across the Ignite UI Toolbox. The no-code design tool App Builder was updated with an ...