docs(studio): update documentation for release 3.0.0

- Updated release notes for 3.0.0
- Updated version mapping with ABP 10.3.0

Release: 3.0.0

docs/en/studio/release-notes.md

@@ -9,7 +9,58 @@
 
 This document contains **brief release notes** for each ABP Studio release. Release notes only include **major features** and **visible enhancements**. Therefore, they don't include all the development done in the related version. 
 
-## 2.2.7 (2026-04-20) Latest
+## 3.0.0 (2026-05-06) Latest
+
+- Update version to release 2.2.0 with 10.1.0
+- Cakma cursor custom provider
+- Prefix dotnet file extensions with '*'
+- Update Oracle.EntityFrameworkCore to 10.x
+- Integrate React auth/config npm packs with local debug linking
+- Update code coverage report by [bot] in https://github.com/volosoft/abp-studio/pull/4606
+- Configure OIDC storage in React template
+- Use the cms-kit newsletter component on public-website when cmskit is selected
+- Apply Homebrew CN mirrors only for Chinese mainland users
+- Upgrade Scriban to 6.6.0
+- Verify CMSKit newsletter namespace coverage in public website templates
+- Improve CLI help output format
+- Message section redesign
+- Apply bento-style container to ABP Agent panel
+- Agent messages content styles
+- Mainarea tabs style changes
+- Agent-plan-ask mode colors + splash + abp ai agent logos
+- Update code coverage report by [bot] in https://github.com/volosoft/abp-studio/pull/4743
+- Update code coverage report by [bot] in https://github.com/volosoft/abp-studio/pull/4750
+- Update code coverage report by [bot] in https://github.com/volosoft/abp-studio/pull/4754
+- Layout style changes + one side bar
+- Agent settings
+- GitHub and Sidebar Redesign
+- Fix duplicate `postgresql.yml` output in microservice template
+- Wizard styles
+- Studio styles part 2
+- Fix Solution Runner JSON formatting for arrays
+- Reduce PostHog exception burst noise
+- Studio styles part 3
+- Skip press-enter prompt on `abp login`
+- Add drag & drop support for .sln, .slnx, and .abpsln files
+- Studio styles part 2
+- Switch templates to ABP package references
+- Github issues prs - change group style
+- ABP Thin UI: Layered Template React UI
+- Rename legacy solution system to classic
+- Update classic solution system icon
+- Revert "Build Scriban task before validation"
+- Fix modern wizard DBMS selection reset
+- Modern wizard merge resolve fixes
+- Converted Ai Asistant from abp-helper to ABP Coding Agent
+- Skoc/action templates
+- Fix microservice MongoDB service template build
+- Abp Studio enhanncements about Shell commands & Browser
+- Update workflow to merge rel-3.0 with rel-2.2
+- Merge branch rel-3.0 with rel-2.2 by [bot] in https://github.com/volosoft/abp-studio/pull/4811
+- Update auto-pr workflow to merge dev with rel-3.0
+- Update version to release 3.0.0 with 10.3.0
+
+## 2.2.7 (2026-04-20)
 
 * Improved Blazor WebApp template setup for easier tiered application development
 * Added application version tracking in analytics events

docs/en/studio/version-mapping.md

@@ -11,6 +11,7 @@ This document provides a general overview of the relationship between various ve
 
 | **ABP Studio Version** | **ABP Version of Startup Template**           |
 |------------------------|---------------------------|
+| 3.0.0                  | 10.3.0                      |
 | 2.2.7                  | 10.3.0                      |
 | 2.2.5 - 2.2.6          | 10.2.0                      |
 | 2.2.2 - 2.2.4          | 10.1.1                    |