develop
[feat] Add dynamic layout switching for `st.chat_input` (#13546)
Update copyright header to 2026 (#13491)
[feat] Add image thumbnails to `st.chat_input` file uploads (#13547)
[feat] Replace inline error messages with tooltips in `st.chat_input` file upload UI (#13542)
[fix] Increase max width of uploaded files in `st.chat_input` (#13589)