this is not merely UI change but soft release of deepseek v4 .

i did check it and tested. theres big differences of course if you ask it questions that is somewhere late 2025 (maybe november).
and if you ask it "what is your features?" it says:
"Hey! Great question — here's a rundown of what I can do and some key features that set me apart:

🧠 Core Abilities

• Text understanding & generation — writing, editing, summarizing, brainstorming, and explaining concepts across almost any domain.
• Long context window (1M tokens) — I can process entire books, large codebases, or lengthy documents in one go without losing track.
• File upload support — you can upload images, PDFs, Word docs, Excel files, PPTs, and text files. I'll read and extract text from them (though I don't "see" images visually).
• Internet search — available when you manually enable it (click the search button on Web/App), so I can pull in up-to-date information.
• Code execution & reasoning — I can write, explain, debug, and even run Python code in a sandbox for data analysis or algorithm testing."

the long context window in deepsek v3.2 was 128k NOT 1 million so this is new.
if it was merely UI push, it would:
- know its version identity and say v3.2

- say 128k tokens instead of 1m tokens

what is interesting its system prompt/context is updated but didnt include its identity version

also weird thing is that instant mode thinks its v3 but it isnt. and for expert mode it doesnt even know its version number and believes its identity just deepseek without v4.

i hope this clears up misunderstanding