Slide Deck Revisions Prompt-Based Revisions: Tweak, tailor, and tune your slides by prompting the revisions you want

Customize Video Overviews • Choose between the Explainer (default) or Brief formats • Select or de-select which sources you want to use • Choose from one of our 8 preset visual styles or customize your own • Write a prompt encouraging NotebookLM to focus on a certain topic area or tailor the content to a specific audience or difficulty level Open Sources directly in Drive • You can now open sources directly in their corresponding app (Google Docs, Sheets, Slices, Drive) • If you do not have the app installed, it will open the source in a new browser tab Chat Suggestions • To get the conversation going, you will now see suggested questions appear in your Chat • These questions will continue to customize based on your conversation with NotebookLM As always, submit feedback in the app or tag us on social to share your thoughts!

Customize Video Overviews • Choose between the Explainer (default) or Brief formats • Select or de-select which sources you want to use • Choose from one of our 8 preset visual styles or customize your own • Write a prompt encouraging NotebookLM to focus on a certain topic area or tailor the content to a specific audience or difficulty level Open Sources directly in Drive • You can now open sources directly in their corresponding app (Google Docs, Sheets, Slices, Drive) • If you do not have the app installed, it will open the source in a new browser tab Chat Suggestions • To get the conversation going, you will now see suggested questions appear in your Chat • These questions will continue to customize based on your conversation with NotebookLM As always, submit feedback in the app or tag us on social to share your thoughts!

Bug fixes and performance improvements

Create Video Overviews • In one tap, make a helpful visual aid to understand a complex concept, pulling in images, diagrams, quotes, and numbers from your sources • Great at explaining data, demonstrating processes, and making abstract concepts more tangible Customize Infographics • Choose between Landscape, Portrait, or Square orientation • Change the output language • Add a custom prompt to guide the style, color, or focus (“use a blue color theme and highlight the 3 key stats”) Customize Slides • Choose between two formats: Detailed (full details on the slide, meant for reading on their own) or Presenter (clean slides with just the key talking points, meant for supporting while you speak) • Change the output language • Change the slide deck to be shorter or longer • Add a custom prompt to give it a high-level outline or guide the audience, style, and focus (“create a deck for beginners using a bold and playful style with a focus on step-by-step instructions”) New Ultra plan available • 50x more content generations, the most access to Google’s best Gemini models, priority access to new features, and up to 600 sources per notebook As always, submit feedback in the app or tag us on social to share your thoughts!

Create Video Overviews • In one tap, make a helpful visual aid to understand a complex concept, pulling in images, diagrams, quotes, and numbers from your sources • Great at explaining data, demonstrating processes, and making abstract concepts more tangible Customize Infographics • Choose between Landscape, Portrait, or Square orientation • Change the output language • Add a custom prompt to guide the style, color, or focus (“use a blue color theme and highlight the 3 key stats”) Customize Slides • Choose between two formats: Detailed (full details on the slide, meant for reading on their own) or Presenter (clean slides with just the key talking points, meant for supporting while you speak) • Change the output language • Change the slide deck to be shorter or longer • Add a custom prompt to give it a high-level outline or guide the audience, style, and focus (“create a deck for beginners using a bold and playful style with a focus on step-by-step instructions”) New Ultra plan available • 50x more content generations, the most access to Google’s best Gemini models, priority access to new features, and up to 600 sources per notebook As always, submit feedback in the app or tag us on social to share your thoughts!

Bug fixes and performance improvements

Bug fixes and performance improvements

Create infographics • Visualize key insights and distill complex information into a single, high-impact visual that makes it easier to digest. • Easily share as an image. Create slide decks • Go from sources to story in a snap — get a polished slide deck made for you in one tap. Check out @NotebookLM on social for cool examples and inspo on how to best take advantage of these two new outputs! As always, submit feedback in the app or tag us on social to share your thoughts.

Add images as a source • Upload photos and screenshots from your device, or use its camera from within the NotebookLM app. • Import images like screenshots, infographics, handwritten notes, whiteboards, printed handouts, and more. Save your Audio Overview progress • Never lose your place in your listening material again—if you pause or close the app while listening to an Audio Overview, your exact playback position is now automatically saved for next time. As always, submit feedback in the app or tag @NotebookLM on social to share your thoughts!

Big updates rolling out this week! Create flashcards & quizzes • Memorize key terms, important dates and core concepts from your sources with flashcards. • Test your comprehension and challenge yourself with quizzes. • Customize the topic, set the difficulty, and choose the number of cards or questions. Select and unselect sources within a notebook • Don’t want to use all the sources in your notebook? You can now temporarily select and unselect sources while chatting or creating an Audio Overview, so the response is only based on the sources you care about right now. Messages in chat no longer expire • Chats are now saved automatically across sessions, so you can resume chatting later without losing context. As always, your work remains private, and you can delete your chats at any time. Major quality improvements for chats • Chat in NotebookLM now has 50% better quality, a 4x larger context window, and 6x longer conversation memory — all powered by the latest Gemini models.

Bug fixes.

Bug fixes & more UI polishes.

Here’s what’s rolling out this week: Source discovery - You can now easily discover sources across the web and add them to NotebookLM within the mobile app Multiple Audio Overviews - We have redesigned the Studio tab and now you can generate multiple Audio Overviews within a notebook UI refinements - We have polished the app UI to give you a more intuitive and smooth experience

Source discovery - You can now easily discover sources across the web and add them to NotebookLM within the mobile app Multiple Audio Overviews - We have redesigned the Studio tab and now you can generate multiple Audio Overviews within a notebook UI refinements - We have polished the app UI to give you a more intuitive and smooth experience

More bug fixes!

Here’s what’s rolling out this week: Add Audio Files as Sources • You can now upload your voice memos, podcasts, and meeting recordings to new and existing notebooks. Expanded Language Support • The app now supports 28 additional languages and dialects, bringing the total to over 75!

We've listened to your feedback and are excited to announce a major update focused on improving your audio experience in NotebookLM. Here’s what’s rolling out this week: Faster Audio Loading • Say goodbye to long loading times after pressing play on an Audio Overview. We’ve dramatically reduced the buffering time for Audio Overviews (by up to 95%!), so you can start listening faster. Audio Overview Customization • Tailor your Audio Overviews to your exact needs. You can now select a preferred language, adjust the length (English only for now), and add prompts to guide the audio generations. Improved Stability • We’ve rebuilt our audio experience to make generation, playback, and download more stable and reliable. As always, submit feedback in the app or tag @NotebookLM on social media to share your thoughts, bug reports, hopes, and dreams with us.

Bug fixes and stability improvements

Hebrew is now a supported language in NotebookLM!

Minor bug fixes

This release brings important improvements to audio playback, expands our language support, and enhances overall app stability. Here’s what's new: Enhanced Audio Resilience • Fixed an issue where audio playback could get stuck after encountering an error. Expanded Language Support • We're excited to announce that Arabic is now a supported language in NotebookLM! General Stability • Improved app reliability by reducing the rate of errors. As always, submit feedback in the app or tag @NotebookLM on social to share your thoughts, bug reports, hopes, and dreams with us.

This release is packed with key bug fixes and improvements to make your experience smoother. Here’s what's new: Improved Audio Experience • Fixed an issue on iOS where audio would not play through the speakerphone. Citation Accuracy • Resolved a bug that was causing numerous citations to be missing or incorrectly placed. General Stability • Fixed a number of bugs that were causing crashes. As always, submit feedback in the app or tag @NotebookLM on social to share your thoughts, bug reports, hopes, and dreams with us.

This release includes lots of bug fixes and performance improvements based on your feedback reports, with more to come soon! Details for our fellow nerds below: More reliable chat • Fixed an issue where your chats and descriptions could sometimes vanish • Reduced errors during the "add source" flow • Reduced network timeouts during chats Improved source handling • Fixed "0 source limit" error when adding sources • Fixed source UI being unoptimized for some small screens Visual polish & accessibility • Improved the appearance of project tabs in Dark Mode, and the project description loader now has a smoother dark mode animation • Icons in the Playback and Studio sections now use clearer symbols • Optimized UI for large OS font settings General stability & performance • Fixed a number of bugs that were causing crashes • Showing media control notifications more reliably when audio is playing • Fixed localization for some languages, ensuring the app accurately speaks your language As always, submit feedback in the app or tag @NotebookLM on social to share your thoughts, bug reports, hopes, and dreams with us.

Stability and performance fixes