diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7ac39a8d4..795dc90c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,19 +8,39 @@ This changelog follows the principles of [Keep a Changelog](https://keepachangel
 
 ### Added
 
-- Dataset Templates Selector in the Create Dataset page.
+- Dataset Templates integration in the Create Dataset form. (#745)
+- Advanced Search UI replicating legacy JSF, with persistence of queries and facet filters. (#760, dataverse#9993)
+- External Search integration with selectable search service and first-load fetch behavior. (#710)
+- File Edit Tags with populated categories dropdown. (#763)
+- DEMO environment option in deploy actions.
 - Metadata Export Dropdown to the metadata tab of Dataset Page and File Page.
 - External Tools integration. All types supported: Explore, Configure, Preview and Query tools in Dataset and File pages. Still not showing external tools for Auxiliary Files as additional development is needed.
 
 ### Changed
 
-- Standardize Node.js version to 22 across all environments (docker dev environment, CI, production).
+- Standardized Node.js to v22 across environments (docker dev, CI, production).
+- Upgrade Keycloak to 26.3.2; updated SPI and test realm JSON.
+- Truncate long collection and dataset descriptions with expandable content. (#789)
+- UI polish: Files Table always shows action buttons. (#800)
 
 ### Fixed
 
-- Upgrade dependencies to drastically reduce vulnerabilities flagged by `npm audit`. Reduced from +100 including 12 critical and 33 high to only 2 moderate.
+- Guest user access: file info retrieval works on deaccessioned datasets. (#752)
+- Collection filter queries with values containing ":" now parsed correctly. (#812)
+- File upload: corrected "drop one file to replace" warning behavior. (#810)
+- Create Collection form: prevent numeric-only aliases. (#798)
+- Dataset page: citation downloads available in multiple formats with copy-to-clipboard. (#786)
+- Improved URL handling and wrapping across the UI. (#774)
 
-### Removed
+### Documentation
+
+- Introduced CHANGELOG and updated related documents. (#828)
+- Added Environments section to README.
+- Expanded Keycloak deployment documentation with realm setup and SPI guidance.
+
+### Security
+
+- Fixed dependencies vulnerabilities: reduced npm audit issues from 100+ (including 12 critical and 33 high) to only 2 moderate.
 
 ---