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README.md

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 ## 📚 Introduction
 
-Ultra-FineWeb is a **large-scale, high-quality, and efficiently-filtered dataset**. We use the proposed efficient verification-based high-quality filtering pipeline to the FineWeb and Chinese FineWeb datasets (source data from Chinese FineWeb-edu-v2, which includes IndustryCorpus2, MiChao, WuDao, SkyPile, WanJuan, ChineseWebText, TeleChat, and CCI3), resulting in the creation of higher-quality Ultra-FineWeb-en with approximately 1T tokens, and Ultra-FineWeb-zh datasets with approximately 120B tokens, collectively referred to as ***Ultra-FineWeb***.
+Ultra-FineWeb is a **large-scale, high-quality, and efficiently-filtered dataset**. We use the proposed efficient verification-based high-quality filtering pipeline to the FineWeb and Chinese FineWeb datasets (source data from Chinese FineWeb-edu-v2, which includes IndustryCorpus2, MiChao, WuDao, SkyPile, WanJuan, ChineseWebText, TeleChat, and CCI3), resulting in the creation of higher-quality Ultra-FineWeb-en with approximately 1T tokens, and Ultra-FineWeb-zh datasets with approximately 120B tokens, collectively referred to as Ultra-FineWeb. ***Ultra-FineWeb*** serves as a core pre-training web dataset for the [MiniCPM4 Series](https://huggingface.co/collections/openbmb/minicpm-4-6841ab29d180257e940baa9b) models.
 
 ## 📢 What's New
 
-- **[2025.05.09]** **Ultra-FineWeb** technical report is available on [arXiv](). 🔥🔥🔥
-- Datasets and models are coming soon... 🔜🚀
+- **[2025.05.09]** **Ultra-FineWeb** technical report is available on [arXiv](https://arxiv.org/abs/2505.05427). 🔥🔥🔥
+- **[2025.06.06]** **Ultra-FineWeb-en** and **Ultra-FineWeb-zh** datasets are now available on Hugging Face, released alongside the [MiniCPM4 Series](https://huggingface.co/collections/openbmb/minicpm-4-6841ab29d180257e940baa9b) models.
+- HQ-Data Classifier, processing code, and evaluation code are coming soon... 🔜🚀
 
 ## 💡 Highlights