LLM/AI Changelog

Updated 3 Jul 2026

AI Platform Changes That Affect Brand Visibility

Every update to ChatGPT, Gemini, Perplexity, Copilot and Google Search can change how your brand appears in AI-generated answers. We track release notes, API changes and documentation updates across major LLM platforms so you don't have to.

Total Updates
771
Copilot
771
ChatGPT
304
Gemini
296
Claude
70
GoogleAI
26
Perplexity
17
Pinned Highlights · 13
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today Jan 2025 Apr Jul Oct Jan 2026 Apr Jul 7 Jan 2025 · Copilot — Outlook: Switch between Work and Web grounding in Microsoft 365 Copilot Chat 8 Jul 2025 · Copilot — Excel: Copilot in Excel with Python | Reasoning Model Integration (Think Deeper) 22 Jul 2025 · Copilot — Microsoft 365 Copilot Chat: Researcheravailable in GA 19 Aug 2025 · Copilot — Microsoft 365 Copilot Chat: GPT-5 now available in Copilot Chat 3 Sep 2025 · Copilot — Microsoft 365 Copilot Chat: Personalize interactions with Copilot Memory 23 Dec 2025 · Copilot — Microsoft 365 Copilot app: GPT-5 powers Copilot Chat by default 27 Jan 2026 · Copilot — Microsoft 365 Copilot Chat: Copilot Chat model selector now offers GPT-5.2 24 Feb 2026 · Copilot — Microsoft 365 Copilot extensibility: Declarative agents upgraded to GPT‑5.1 10 Mar 2026 · Copilot — Microsoft 365 Copilot Chat: Explainable AI with deep and inline citations for co… 21 Apr 2026 · Copilot — Microsoft 365 Copilot chat: Rich Bing web answer cards in Copilot Chat 19 May 2026 · Copilot — Microsoft 365 Copilot Chat: OpenAI’s GPT‑5.5 Instant available in Copilot Chat [… 19 May 2026 · Copilot — Microsoft 365 Copilot Chat: OpenAI’s GPT 5.5 Thinking available in Copilot Chat … 16 Jun 2026 · Copilot — Microsoft 365 Copilot Chat: Anthropic’s Claude now available in Microsoft 365 Co…
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351–400 of 771 updates
Copilot
Copilot 19 Aug 2025 copilot

Copilot extensibility: Create simplified multi-step workflows

Create simplified multi-step workflows
[Windows, Web]
Streamline your tasks with an embedded builder that allows users to design and manage multi-step workflows effortlessly, enhancing productivity.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Copilot extensibility: Customize Copilot with Declarative Agents

Customize Copilot with Declarative Agents
[Windows]
End-users can now tailor Copilot's capabilities with Declarative Agents, adding new knowledge and skills for enhanced functionality.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Copilot extensibility: Develop custom agents for Copilot and Teams

Develop custom agents for Copilot and Teams
Create, test, and update custom engine agents using Microsoft 365 Agents Toolkit and Microsoft Copilot Studio for seamless integration with Microsoft 365 Copilot and Teams.
Copilot
Copilot 19 Aug 2025 copilot

Copilot extensibility: Discover custom extensions for Copilot

Discover custom extensions for Copilot
[Windows, Web]
Find and deploy customizable extensions (CEAs) for Copilot directly from the Store, enhancing the capabilities of your workflow with ease.
Copilot
Copilot 19 Aug 2025 copilot

Copilot extensibility: Enable pro-code support in Microsoft 365 Copilot Chat

Enable pro-code support in Microsoft 365 Copilot Chat
Leverage both synchronous and asynchronous pro-code CEA support in Microsoft 365 Copilot Chat, expanding the capabilities for advanced user interactions and integrations.
Copilot
Copilot 19 Aug 2025 copilot

Copilot extensibility: Enhance agent grounding with context IQ

Enhance agent grounding with context IQ
Utilize context IQ in Microsoft 365 Copilot Chat to select the ideal graph connector grounding information for agents, ensuring precise and relevant responses.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Copilot extensibility: Gain insight into conversation analysis

Gain insight into conversation analysis
Users now see how utterances are transformed into keywords and items for grounding, enhancing transparency and understanding of Copilot interactions.
Copilot
Copilot 19 Aug 2025 copilot

Copilot extensibility: Integrate declarative agents into Excel

Integrate declarative agents into Excel
[Windows, Web]
Users can now seamlessly integrate and leverage declarative Copilot agents directly within Excel, enhancing data interaction and task automation.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Copilot extensibility: Publish agents for IT approval

Publish agents for IT approval
Use Microsoft 365 Agents Toolkit and Copilot Studio to publish custom engine agents for IT review, approval, and deployment in your organization's tenant.
Copilot
Copilot 19 Aug 2025 copilot

Copilot extensibility: Regulate knowledge source with governance tools

Regulate knowledge source with governance tools
[Windows, Web]
Admins can now oversee and manage agents with uploaded files as their knowledge source, utilizing tools for agent filtering, reviewing sensitivity labels, and managing metadata.
Copilot
Copilot 19 Aug 2025 copilot

Copilot extensibility: See authors and descriptions in every agent interaction

See authors and descriptions in every agent interaction
[Windows, Web]
Build trust and transparency by viewing the author name and agent description in each interaction, enhancing user confidence in responses.
Copilot
Copilot 19 Aug 2025 copilot

Copilot extensibility: Submit custom agents for validation

Submit custom agents for validation
Developers can use Microsoft 365 Agents Toolkit to submit custom engine agents for Microsoft validation, facilitating their publication in the Agents store.
Copilot
Copilot 19 Aug 2025 copilot

Copilot Studio: Build a custom agent with natural language

Build a custom agent with natural language
[Web]
Describe the agent you want, and Copilot Studio instantly proposes its name, purpose, instructions and starter prompts—so you can begin testing in minutes instead of hours.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Copilot Studio: Perform custom search as a topic action

Perform custom search as a topic action
[Web]
Enhance your precision with Custom Search, allowing you to query knowledge sources and extract raw data effortlessly. This feature empowers you to create more transparent Copilot experiences by running searches on selected sources and saving data outputs for flexible use.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Copilot Studio: See security-related views and statuses for agents within Copilot Studio

See security-related views and statuses for agents within Copilot Studio
[Web]
Enhanced security in Copilot Studio with visual indicators for agent protection, blocked prompts, and authentication guidelines. Makers can see how and when Microsoft has protected their agents, assessed their agents' status, and determine if any action is needed.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Copilot Studio: Use managed agents as a starting point for Copilot creation

Use managed agents as a starting point for Copilot creation
[Web]
Explore and install managed agents in Copilot Studio to kickstart your projects with ready-to-use solutions featuring built-in service connections and autonomous capabilities. Streamline your workflow and enhance productivity without starting from scratch.
Copilot
Copilot 19 Aug 2025 copilot

Microsoft 365 admin center: Manage Copilot costs with budget limits

Manage Copilot costs with budget limits
[Web]
Define budget policies for Copilot services, set thresholds and alerts, and receive email notifications for proactive cost control.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Microsoft 365 Copilot app: Expanded language options with Microsoft 365 Copilot

Expanded language options with Microsoft 365 Copilot
[Android, Windows, iOS, Mac, Web]
Microsoft 365 Copilot now supports six additional languages: Albanian, Filipino, Icelandic, Malay, Maltese, and Serbian (Cyrillic).
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Microsoft 365 Copilot Chat: Advanced data analysis in Copilot Chat mobile apps

Advanced data analysis in Copilot Chat mobile apps
[Android, iOS]
Solve complex tasks by generating and executing Python code with the advanced reasoning model in Copilot Chat mobile apps.
Copilot
Copilot 19 Aug 2025 copilot

Microsoft 365 Copilot Chat: Copilot Chat available for EDU users ages 13 and older

Copilot Chat available for EDU users ages 13 and older
[Web]
Microsoft 365 Copilot Chat is now accessible for EDU users aged 13+, offering secure AI chat with the latest language models. Admins need to enable access for eligible users.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Microsoft 365 Copilot Chat: Edge contextual capabilities in Copilot Chat work mode

Edge contextual capabilities in Copilot Chat work mode
[Web]
In Copilot Chat work mode, ask Copilot questions about web pages and PDFs opened in Edge—using page context to summarize or analyze content, and enhancing your research on the fly.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Microsoft 365 Copilot Chat: Expanded file search capabilities in Copilot Chat

Expanded file search capabilities in Copilot Chat
[Windows, Web]
Copilot Chat now supports a wider range of file types in SharePoint and OneDrive, enhancing search and information retrieval.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Microsoft Purview compliance portal: Monitor Microsoft 365 Copilot's security posture

Monitor Microsoft 365 Copilot's security posture
[Web]
A dedicated page in Data Security Posture Management for AI showcases Microsoft 365 Copilot's protection capabilities and usage metrics for improved oversight.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Microsoft Purview compliance portal: New graph for departments

New graph for departments
[Web]
A newly added graph in Data Security Posture Management for AI shows AI interactions grouped by department.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Microsoft Purview compliance portal: Web search query filtering in Data Security Posture Management for AI

Web search query filtering in Data Security Posture Management for AI
[Web]
Filter AI interactions for events that contain a web search query and view the content of the search within Microsoft Purview Data Security Posture Management for AI.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

OneDrive: Sharing with Copilot summary now supports more file types

Sharing with Copilot summary now supports more file types
[Web]
Enhance your collaboration workflow by using Copilot to generate summaries for PowerPoint, Excel, PDFs, images, and protected files directly within OneDrive Web and SharePoint document libraries. Get instant overviews while maintaining sensitivity labels on confidential files, ensuring secure and efficient sharing.
Copilot
Copilot 19 Aug 2025 copilot

Outlook: Summarize email attachments with Copilot

Summarize email attachments with Copilot
[Android, Windows, iOS, Mac, Web]
Summarize PDF, Word, and PPT email attachments effortlessly in Outlook Web and the new Outlook for Windows, making it easier to extract key information without needing to open each file.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

SharePoint: Microsoft 365/SharePoint Agent Insights for SharePoint Administrators

Microsoft 365/SharePoint Agent Insights for SharePoint Administrators
[Web]
Provides comprehensive insights into newly created SharePoint agents with content governance actions within SharePoint Advanced Management controls.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Viva Insights: Bridge skill gaps with personalized insights

Bridge skill gaps with personalized insights
[Windows, Web]
Discover and promote upskilling opportunities with People Skills. Share skills, connect with others, and enrich user experiences across Microsoft 365, including apps such as Copilot and Viva Learning.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Viva Insights: Unified analytics for enhanced insights

Unified analytics for enhanced insights
[Web]
Experience a streamlined approach with Copilot Dashboard and Viva Insights. This unified platform blends advanced analytics offerings, providing leaders, delegates, and analysts with cohesive, actionable insights.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Word: Select some text and explore actions with the Copilot icon in your margin.

Select some text and explore actions with the Copilot icon in your margin.
[Web]
Rewrite, get writing suggestions, and more with just one click.
Copilot
Copilot 19 Aug 2025 copilot

Copilot Studio: Build a custom agent with natural language

Build a custom agent with natural language
[Web]
Describe the agent you want, and Copilot Studio instantly proposes its name, purpose, instructions and starter prompts-so you can begin testing in minutes instead of hours.
Learn more.
Copilot
Copilot 19 Aug 2025 copilot

Microsoft 365 Copilot Chat: Edge contextual capabilities in Copilot Chat work mode

Edge contextual capabilities in Copilot Chat work mode
[Web]
In Copilot Chat work mode, ask Copilot questions about web pages and PDFs opened in Edge-using page context to summarize or analyze content, and enhancing your research on the fly.
Learn more.
Copilot
Copilot 5 Aug 2025 copilot

Teams: Translated Intelligent meeting recap for multilingual meetings (Copilot and Teams Premium)

Translated Intelligent meeting recap for multilingual meetings (Copilot and Teams Premium)
[Windows, Mac]
Now, intelligent meeting recap supports multilingual meetings, ensuring you can easily catch up on key discussions even when multiple languages were spoken. After the meeting, your recap is automatically generated in the translation language you selected for live transcription and captions.
Learn more.
Copilot
Copilot 5 Aug 2025 copilot

Word: Access audio overviews in Word

Access audio overviews in Word
[Web]
Generate a convenient audio overview of your document through Copilot from the Summary tab, enhancing your document review process.
Learn more.
Copilot
Copilot 5 Aug 2025 copilot

Word: Kickstart your document with contextual prompts

Kickstart your document with contextual prompts
[Windows]
Copilot suggests prompts by including files and meetings based on your recent activity, helping you draft a new document in Word seamlessly.
Copilot
Copilot 5 Aug 2025 copilot

Word: Use Writing suggestions to review content in Word

Use Writing suggestions to review content in Word
[Mac]
Enhance your document content with AI-generated writing suggestion in the Copilot context menu. Get suggestions on logical structure, flow, and tone to make your documents more impactful.
Learn more.
Copilot
Copilot 5 Aug 2025 copilot

Copilot extensibility: Enhanced adaptive card capabilities in declarative agents

Enhanced adaptive card capabilities in declarative agents
Developers now have access to enhanced adaptive card functionalities-including task modules, stage view, inline actions, and charts-directly in declarative agents for richer app experiences.
Learn more.
Copilot
Copilot 5 Aug 2025 copilot

Copilot extensibility: Improve email responses with extra context

Improve email responses with extra context
[Windows, Web]
Get fuller email replies that expand your initial lists, indicate the number of related messages, and let you easily paginate for more details-all to help you manage your inbox more effectively.
Learn more.
Copilot
Copilot 5 Aug 2025 copilot

Copilot extensibility: Semantically index more document pages

Semantically index more document pages
With improved indexing, P99 documents can now include up to 180,000 characters (about 90-100 pages) for more comprehensive document insights, while P99.99 documents support up to 1.8 million characters (about 900-1,000 pages), which is a significant increase from the previous 18-20 page limit.
Learn more.
Copilot
Copilot 5 Aug 2025 copilot

Microsoft 365 admin center: Onboard SharePoint Agents as a pay-as-you-go scenario in CCS

Onboard SharePoint Agents as a pay-as-you-go scenario in CCS
[Web]
This feature introduces SharePoint Agents to the Pay-as-you-go tab under Copilot → Billing & usage, aligning with the existing workflow used for Microsoft 365 Copilot Chat. Administrators gain the ability to manage and monitor SharePoint Agent consumption through the familiar Pay-as-you-go interface, ensuring consistent oversight across Copilot experiences. Integration with the SharePoint backend via API enables precise usage tracking and billing for this new scenario.
Learn more.
Copilot
Copilot 5 Aug 2025 copilot

Copilot extensibility: Admin pre-approval for trusted declarative agents

Admin pre-approval for trusted declarative agents
[Web]
Admins can now pre-approve specific agents so their actions are always allowed without extra confirmation. This reduces interruptions and helps ensure a smooth workflow in integrated apps.
Learn more.
Copilot
Copilot 5 Aug 2025 copilot

Copilot extensibility: Discover and install Copilot agents easily

Discover and install Copilot agents easily
Users in Word and PowerPoint can seamlessly find and install Copilot agents directly from the Unified App Store.
Learn more.
Copilot
Copilot 5 Aug 2025 copilot

Copilot extensibility: Enhance agent builder with full screen mode

Enhance agent builder with full screen mode
[Windows, Mac, Web]
Enjoy an improved agent builder with a full-screen view that streamlines the process of creating and managing your agents.
Learn more.
Copilot
Copilot 5 Aug 2025 copilot

Copilot extensibility: Enhanced adaptive card capabilities in declarative agents

Enhanced adaptive card capabilities in declarative agents
Developers now have access to enhanced adaptive card functionalities—including task modules, stage view, inline actions, and charts—directly in declarative agents for richer app experiences.
Learn more.
Copilot
Copilot 5 Aug 2025 copilot

Copilot extensibility: Enhanced Q&A accuracy for SharePoint files

Enhanced Q&A accuracy for SharePoint files
[Windows, Web]
Improve the precision of Q&A interactions on SharePoint files that include tables, comments, and formatting. Benefit from more relevant and insightful responses whether you're working with Word, PDF, or PowerPoint files.
Copilot
Copilot 5 Aug 2025 copilot

Copilot extensibility: Fine-tune models with tenant data

Fine-tune models with tenant data
Developers and makers can fine-tune a model used in Microsoft 365 Copilot using their tenant data.
Learn more.
Copilot
Copilot 5 Aug 2025 copilot

Copilot extensibility: Get relevant calendar results by time period

Get relevant calendar results by time period
[Windows, Web]
Quickly summarize meetings for a specific day to stay on top of your schedule and focus on the events that matter most.
Copilot
Copilot 5 Aug 2025 copilot

Copilot extensibility: Improve email responses with extra context

Improve email responses with extra context
[Windows, Web]
Get fuller email replies that expand your initial lists, indicate the number of related messages, and let you easily paginate for more details—all to help you manage your inbox more effectively.
Learn more.
Copilot
Copilot 5 Aug 2025 copilot

Copilot extensibility: Schedule meetings with smart time insights

Schedule meetings with smart time insights
[Windows, Web]
Easily discover optimal meeting times and streamline Outlook handoffs with intelligent calendar suggestions that make scheduling a breeze.
Learn more.

Tracking what they’re building

Observed site activity — new pages appearing on each platform’s website, updated daily.

What is the LLM Changelog?

The LLM Changelog is a live, automated tracker that monitors release notes and documentation updates across the largest AI platforms — including OpenAI's ChatGPT, Google's Gemini, Perplexity AI, Microsoft Copilot and Google Search. Changes are crawled daily and presented in a single, searchable feed.

Why AI Platform Changes Matter for Brands

When AI models update their training data, adjust ranking signals or change how they cite sources, the brands and products they recommend can shift overnight. An API change to Gemini or a new feature in ChatGPT can alter which businesses get mentioned in millions of AI-generated responses.

Platforms We Track

We currently monitor ChatGPT release notes, OpenAI developer and model changelogs, Gemini API and app updates, Perplexity product and API changes, Microsoft 365 Copilot release notes, and Google Search Central documentation updates. New sources are added as the AI landscape evolves.

Built by reconnAI

reconnAI tracks how AI systems represent brands in their responses. We monitor mentions, sentiment and citations across ChatGPT, Gemini, Perplexity and more — helping businesses understand and improve their visibility in the age of AI search. Learn more →