Microsoft dropped a fresh set of Windows 11 Insider builds this week, delivering practical app upgrades to Paint, Snipping Tool, and Notepad while simultaneously testing a new taskbar button that shoves Copilot front and center. The changes, now rolling out to Canary, Dev, and Beta channels, include editable project files and a per-tool opacity slider for Paint, a quick markup tool that lets you annotate screenshots before you capture them, and AI-powered writing features in Notepad—with on-device processing for Copilot+ PC owners. But the most eye-catching addition is a “Share with Copilot” button that appears when you hover over open apps, raising immediate questions about privacy and accidental activation.

Paint Gets Editable Project Files and Opacity Control

Paint has been slowly evolving from a basic doodling tool into a lightweight creative platform. The latest upgrade, available in versions 11.2508.361.0 for Canary and Dev Insiders, introduces a native project file format with the .paint extension. This file saves your entire session state—layers, layer order, and in-progress edits—so you can pick up where you left off without losing layer data. Previously, users had to export flattened images or juggle multiple layer files, a workflow that made iterative editing painful.

Alongside the project container, Microsoft added a canvas-side opacity slider for the Pencil and Brush tools. Now you can draw semi-transparent strokes directly without touching layer opacity, which unlocks glazing, soft shading, and subtle compositing inside Paint. The opacity setting appears only for these two drawing tools; it’s not a per-layer opacity control like in Photoshop, but it’s a big step forward for quick creative tasks.

Why it matters: Students compiling image-rich homework, hobbyists creating forum banners, and documentation authors who need to annotate screenshots repeatedly will appreciate the continuity. Paint can now serve as a multi-session editor for lightweight projects, reducing the temptation to reach for heavier tools.

One caveat: Microsoft hasn’t published technical specs for the .paint container in its Insider blog posts (as detailed by How-To Geek). Until format documentation appears, treat .paint files as Paint-native working masters. Export final results to standard formats like PNG, JPEG, AVIF, or HEIC for sharing and archiving. Enterprise teams handling compliance-sensitive imagery should hold off on adopting the format for official workflows until they can verify container behavior.

Snipping Tool’s Quick Markup Lets You Annotate Before Capturing

Snipping Tool version 11.2508.24.0 (Canary and Dev) introduces a streamlined workflow called Quick markup. When enabled—either via a toggle in the popup bar or by pressing Ctrl+E during capture—a toolbar with drawing, eraser, and shape tools appears before you finalize the screenshot. This allows you to expand the capture region while annotating, rather than capturing first and editing later.

For rapid documentation—grabbing an error message and circling the problem, or calling out a UI element with an arrow—the old method required separate steps: capture, open, edit, save. Quick markup collapses capture and markup into a single motion. You can grow the selection if you need extra canvas for callouts, saving trips to a full editor.

Microsoft appears to be responding to user feedback that Snipping Tool’s editing capabilities, though useful, added friction. Early testers should watch for discoverability issues: the Ctrl+E shortcut is handy, but not everyone memorizes shortcuts. The toggle in the capture bar may be small; Insiders should test its accessibility over multiple sessions.

Notepad’s AI Writing Features: On-Device Option for Copilot+ PCs

Notepad version 11.2508.28.0 (Canary and Dev) is getting the same AI writing toolkit that’s already common in word processors: Summarize, Write, and Prewrite functions. The twist is that Microsoft is offering two processing backends. Copilot+ PCs get an on-device model option—free and unlimited, similar to Apple’s Writing Tools on M-series devices. All other machines will route requests through a cloud model tied to a Microsoft 365 subscription.

The on-device promise, if delivered, addresses a major pain point: latency and privacy. When text processing stays local, there’s no roundtrip to Microsoft’s servers, and no subscription friction for Copilot+ hardware owners. But the Insider flight notes don’t specify model size, update frequency, or exact privacy guarantees. For non-Copilot+ devices, every AI invocation will presumably hit the cloud, which introduces data governance considerations.

For enterprises: Mapping expected data flows is critical. If sensitive documents are opened in Notepad and AI features are active, text may leave the device. IT teams should plan to disable these features on managed systems until Microsoft publishes thorough technical documentation and provides group policy or MDM controls.

Copilot Integration: Taskbar Sharing and Click to Do Translation

The most controversial change is a new “Share with Copilot” button that appears on the taskbar’s window preview when you hover over an open app icon. Currently rolling out to Dev and Beta channels, the button launches a Copilot Vision session scoped to that window or the full desktop. Microsoft frames this as a quick way to ask Copilot about on-screen content, but the placement is problematic.

The taskbar is a high-traffic muscle-memory zone. Adding a prominent Copilot trigger next to the windows preview risks accidental clicks through habit. An inadvertent share could expose sensitive information—financial data, medical records, code—to an AI session that may or may not stay on-device. (The flight notes don’t clarify where the data is processed; current Copilot defaults send most queries to the cloud.)

Separately, Click to Do—accessible via Win+Q—now includes text translation in the Dev and Beta channels. When you select text on-screen in a language different from your Windows display language, a translation option appears. The selected text is sent to the Copilot app for processing, but Microsoft excludes users in the EEA and China, hinting at regulatory boundaries. Again, the processing location is unclear: is it local or cloud? Most Copilot actions today hit Microsoft’s servers, meaning sensitive text could leave the device.

Privacy takeaway: Until Microsoft documents data flows and provides clear enterprise controls, treat these Copilot integrations as cloud-dependent. Avoid using them with confidential information. IT administrators should proactively disable Copilot Vision and Click to Do in managed environments if they can’t verify on-device processing.

Other Changes: Gaming, Spotlight, Settings

A few smaller updates round out the Insider flights:

  • Gaming performance: Canary builds include targeted fixes for gaming when overlays (like Game Bar) are active and multiple monitors run at different refresh rates. No new gaming features, just stability improvements.
  • Desktop context menu for Windows Spotlight: Right-clicking the desktop now shows “Learn more about this background” and “Next desktop background” when Spotlight is selected, mirroring lock-screen functionality.
  • Settings reorganization: “Email & accounts” in System settings is renamed to “Your accounts,” grouping account options more logically.

These are quality-of-life tweaks that show Microsoft is still polishing the UI fabric of Windows 11 alongside bigger AI plays.

What It Means for You

Creators and home users: The Paint project file and opacity slider are immediate wins for anyone doing iterative image work without a dedicated editor. Snipping Tool’s Quick markup shaves seconds off documentation tasks. Notepad’s AI will be a productivity booster for Copilot+ PC owners if the on-device model works smoothly. All of these features are safe to test on a non-critical Insider machine.

Power users: You’ll likely appreciate the efficiency gains in Paint and Snipping Tool. The taskbar Copilot button, however, may interrupt your flow. If you’re testing in Dev or Beta, you can provide feedback through the Feedback Hub about its placement and accidental activation risk.

IT and enterprise admins: The Copilot integrations demand caution. Do not deploy these Insider builds on production hardware. Map out which apps (Notepad, Snipping Tool, Click to Do) have AI components and determine whether data could leave endpoints. Look for group policy or CSP controls to disable Copilot Vision and taskbar sharing; if they aren’t available yet, monitor the next preview releases. For Paint projects, establish a policy that .paint files are temporary working files, with final exports mandated in archival formats.

How to Test These Features Safely

If you’re an Insider on a test PC, here’s a structured approach:

  1. Back up your device and create a restore point before installing any new build.
  2. Confirm app versions: Open Paint, Snipping Tool, and Notepad and verify they match 11.2508.361.0, 11.2508.24.0, and 11.2508.28.0 respectively. Update via the Microsoft Store if needed.
  3. Test Paint: Create a multi-layer composition, save as .paint, close and reopen to confirm layers persist. Try the Pencil opacity slider to check semi-transparency.
  4. Test Snipping Tool: Enable Quick markup (or press Ctrl+E during capture). Expand the capture area while annotating and verify that markup stays intact when saved.
  5. Explore Copilot cautiously:
    - For taskbar sharing, open a non-sensitive window and hover over its icon in the taskbar to see the Share button. Note what Copilot Vision captures.
    - Use Click to Do translation only with public text. Monitor whether network activity spikes to infer cloud usage.
  6. Provide feedback: Use the Feedback Hub (Win+F) to report bugs, suggest improvements, or raise concerns about privacy and UX.

What to Watch Next

All these features are still in preview; final behavior can shift before they reach general availability. Paint’s project format needs technical documentation before it can be adopted in serious workflows. The Notepad AI model—on-device versus cloud—will divide the user base unless Microsoft clarifies how non-Copilot+ machines can opt out entirely. And the taskbar Copilot button is almost certainly a test balloon; its survival into stable builds will depend on Insider feedback and enterprise pushback.

For now, the release underlines Microsoft’s dual-track strategy: practical app improvements that genuinely help users, alongside aggressive AI integration that prioritizes Copilot visibility. Which path wins in the long run depends on how thoroughly Microsoft addresses the privacy and usability questions these Insider flights raise.