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                Claude
                Using Claude
                  Release Notes

                    Release Notes

                      Updated this week
                        Table of contents

                    November 2025

                    November 24, 2025

                    Claude Opus 4.5 launch

                    We released our most powerful frontier model to date. Read our blog post for more information: Introducing Claude Opus 4.5.

                    Claude for Excel beta release

                    Claude for Excel is now available in beta to all Max, Team, and Enterprise users. We’ve added some additional capabilities, such as support for pivot tables, charts and file uploads, plus a shortcut to quickly open the full Claude app from Excel (ctrl+option+c). We've also made overall improvements to performance, speed, context management, and the general user experience. See Claude for Excel.

                    Context window compaction

                    We’ve changed our context window functionality to enable infinite-length conversations (with some exceptions) and significantly reduce length limit errors by summarizing earlier messages when a chat approaches its context limit. Read more here: Understanding Usage and Length Limits.

                    October 2025

                    October 23, 2025

                    Claude’s memory on Max and Pro plans

                    Max plan users can now access Claude’s memory capabilities. This feature will roll out to Pro plans gradually over the next two weeks.

                    October 15, 2025

                    Claude Haiku 4.5 launch

                    We released our fastest, most cost-efficient model – Claude Haiku 4.5. Our latest small model matches Sonnet 4’s performance on coding, computer use, and agent tasks.

                    September 2025

                    September 29, 2025

                    Claude Sonnet 4.5 launch

                    We released our newest model, Sonnet 4.5. This is the best model in the world for real-world agents, coding, and computer use. Read our blog post here: Claude Sonnet 4.5.

                    Creating and editing files with Claude for Pro plans and mobile

                    Pro users can now leverage Claude’s file creation and editing capabilities, and users on all paid plans can access these features on Claude for iOS or Android. See this updated article for more information: Create and edit files with Claude.

                    September 18, 2025

                    Claude’s memory on Enterprise plans

                    Users on Enterprise plans can leverage memory; Claude can now remember relevant context from your chats and generate a memory summary. Incognito chats give you a way to exclude conversations from Claude’s memory. Refer to the following articles for more information:

                        * Using Claude’s chat search and memory to build on previous context

                        * Importing and exporting your memory from Claude

                        * Using incognito chats

                    September 11, 2025

                    Claude’s memory on Team plans and incognito chats for free, Pro, Max, and Team plans

                    Claude can now remember relevant context from your chats and will generate a memory summary. Incognito chats give you a way to exclude conversations from Claude’s memory. Refer to the following new articles for more information:

                        * Using Claude’s chat search and memory to build on previous context

                        * Importing and exporting your memory from Claude

                        * Using incognito chats

                    September 9, 2025

                    Creating and editing files with Claude

                    Claude can now create and edit Excel spreadsheets, PowerPoint slide decks, documents, and PDFs directly in the Claude app. Refer to the following two articles for more information:

                        * Create and edit files with Claude

                        * Create and edit files with Claude to eliminate hours of busy work

                    September 3, 2025

                    Location, maps, and calendar access on Claude for iOS and Android

                    Claude can now connect with iOS and Android apps to draft calendar events, help you find locations, and manage reminders (iOS only). See updates to the following two articles for more information:

                        * Using Claude with iOS Apps

                        * Using Claude with Android Apps

                    August 2025

                    August 27, 2025

                    Code Execution Tool

                    A new API tool that allows Claude to execute Python code in a secure, sandboxed environment. Refer to our docs for more information: Code execution tool.

                    August 26, 2025

                    Claude for Chrome

                    An experimental browser extension that allows Claude to read, click, and navigate websites alongside you. See Getting Started with Claude for Chrome.

                    August 21, 2025

                    Admin controls for desktop extensions

                    Allows Team and Enterprise plans to enable/disable public desktop extensions and upload custom extensions. See Admin Controls for Desktop Extensions.

                    Making shared artifacts embeddable

                    Claude users with free, Pro, or Max plans can generate an embed code for any published artifacts.

                    August 20, 2025

                    Premium seats with Claude Code for Team and Enterprise plans

                    Introduced a premium seat tier for Team and Enterprise plans offering more usage and access to Claude Code. Refer to the following articles for more information:

                        * How to purchase and manage premium seats on Claude for Work (Team and Enterprise) plans

                        * Using Claude Code with your Team or Enterprise plan

                    Extra usage for Team and Enterprise plans

                    A new setting allows Team and Enterprise plan users to purchase more usage to continue chatting with Claude or using Claude Code after hitting their usage limit. See Extra Usage for Claude for Work (Team and Enterprise) Plans.

                    August 15, 2025

                    Ability to change monthly Team plan billing to annual

                    Allowing Team plan organizations with monthly billing to upgrade to annual billing. See How to change your Team plan from monthly to annual billing.

                    August 12, 2025

                    1M token context window

                    The 1M token context window for Claude Sonnet 4 is currently in beta for API organizations in usage tier 4, or with custom rate limits. See 1M token context window in our docs for more information.

                    August 11, 2025

                    Ability to search past conversations

                    Users on Max, Team, Enterprise plans can prompt Claude to search over past chats, allowing finer-grained context continuation and synthesizing across topics. See Searching past chats.

                    August 6, 2025

                    Claude Code Security Reviews

                    Two new cybersecurity features were added to Claude Code:

                        * /security-review command

                        * GitHub Actions

                    See Automated Security Reviews in Claude Code.

                    August 5, 2025

                    Claude Opus 4.1

                    Claude Opus 4.1 (an incremental update to Opus 4) brings enhanced performance as our most capable model for complex reasoning, analysis, and creative tasks.

                        * Read our announcement here: Claude Opus 4.1.

                        * Refer to Models overview for more specific information about Opus 4.1.

                    August 1, 2025

                    Project Sharing

                    Enabled project permissions and sharing for Team and Enterprise plans. See Organization-wide sharing for more information.

                      Note: Refer to our docs for historical release notes.

                    Related Articles
                    How up-to-date is Claude's training data?
                    About Team and Enterprise Plan Usage
                    What is the Enterprise plan?
                    Using Claude Code with your Team or Enterprise plan
                    Claude for Chrome Release Notes
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