From 49d9f6f98eaa8dec5d011b088f4b1c56dddc49ee Mon Sep 17 00:00:00 2001
From: writinwaters <93570324+writinwaters@users.noreply.github.com>
Date: Tue, 7 Jul 2026 20:14:16 +0800
Subject: [PATCH] Docs: Added v0.26.4 release notes. (#16720)

---
 docs/release_notes.md | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/docs/release_notes.md b/docs/release_notes.md
index 510325365..1f8b3cc3c 100644
--- a/docs/release_notes.md
+++ b/docs/release_notes.md
@@ -9,6 +9,28 @@ sidebar_custom_props: {
 
 Key features, improvements and bug fixes in the latest releases.
 
+## v0.26.4
+
+Released on July 7, 2026.
+
+### New features
+
+- NLP/Tokenization: Adds a language-aware Snowball stemmer supporting 16 languages, integrates the dataset `language` parameter across the tokenization pipeline, and adds Dutch to the frontend. [#14140](https://github.com/infiniflow/ragflow/pull/14140)
+
+### Bug fixes
+
+- The system crashed with a `ValueError` when parsing LM-Studio model names containing an '@' symbol. [#16467](https://github.com/infiniflow/ragflow/pull/16467)
+- The MCP server crashed because the list_chats function expected a list from the `/chats` API but received a paginated dictionary instead. [#16639](https://github.com/infiniflow/ragflow/pull/16639)
+- The Docling parser silently dropped mathematical formulas from documents instead of extracting them. [#16645](https://github.com/infiniflow/ragflow/pull/16645)
+- The system failed to persist inline edits made to metadata values to the backend. [#16655](https://github.com/infiniflow/ragflow/pull/16655)
+- The system removed existing links when bulk-linking files to datasets. [#16587](https://github.com/infiniflow/ragflow/pull/16587)
+- The filter failed to use Chinese. [#16673](https://github.com/infiniflow/ragflow/pull/16673)
+- The system failed to enforce that tag weights must be greater than zero. [#16657](https://github.com/infiniflow/ragflow/pull/16657)
+- The layout of the agent prompt dropdown menu rendered incorrectly. [#16653](https://github.com/infiniflow/ragflow/pull/16653)
+- The Laws chunker incorrectly classified dotted-number cross-references as headings. [#16626](https://github.com/infiniflow/ragflow/pull/16626)
+- The system failed to prevent users from saving duplicate MCP server names during the editing process. [#16588](https://github.com/infiniflow/ragflow/pull/16588)
+- The system allowed users to export an empty MCP server selection. [#16589](https://github.com/infiniflow/ragflow/pull/16589)
+
 ## v0.26.3
 
 Released on July 2, 2026.