Many users reported eye strain, headaches, and migraines, so Twitter is changing the contrast.
Themajor highlights were the higher color contrast of buttons, links, and focus.
We’re listening and iterating.

Twitter has brought Chirp font to the app and the feed that makes your app interface look different.
However, it is not known yet that this will be changed or not.
The flexibility allows the users to choose the options that work for them.

Instead of waiting for Twitter to make universal changes, its better to have options to make changes manually.

