Build 19045.5435: Windows Insider Release Preview Channel, January 2025. A new calendar and Outlook app, with memory and capture fixes
Build 19045.5435 for Release Preview Insiders on Windows 10, version 22H2, adds a new calendar and Outlook app, and fixes several memory, printing, card-reading, and screen-capture problems.
Does it affect you? Applies to: Insiders in the Release Preview Channel who are running Windows 10, version 22H2.
Microsoft publishes separate notes for this KB for Windows 10.
This is a test build for people in the Windows Insider Program. Features in it can change, be removed, or never reach regular Windows releases.
What changes
Fixes 4 changes
Virtual memory
For: Insiders on Windows 10, version 22H2
- An issue that depleted virtual memory and might cause some apps to fail is fixed.1
Near Field Communication (NFC) readers
For: People using NFC readers with point-of-sale apps
-
NFC readers can read card identifiers more reliably after repeated point-of-sale app scans.2
Fixes failures to read card Universal Unique Identifiers (UUID) after many point-of-sale (POS) app scans.
USB Print and IPP Over USB
For: People using USB printers
-
An installed USB printer no longer fails when printing initializes.3
Fixes a failure during print spooler initialization.
Screen capture
For: People using Narrator and screen capture
- The Capture Service and Snipping Tool no longer stop responding after you press Windows logo key + Shift + S several times while Narrator is on.4
Improvements 3 changes
GB18030-2022
For: Insiders on Windows 10, version 22H2
- Windows adds support for the GB18030-2022 amendment.5
Chinese Pinyin input method editor (IME)
For: People using the Chinese Pinyin IME
- Bing no longer gives automatic suggestions in the search box for search engine sites such as Baidu. Press Ctrl + Tab or select the chevron button (>) to get manual suggestions.6
Windows Kernel Vulnerable Driver Blocklist file (DriverSiPolicy.p7b)
For: Insiders on Windows 10, version 22H2
-
The update adds drivers to a list of drivers at risk of being used in attacks.7
Adds drivers to
DriverSiPolicy.p7bto address Bring Your Own Vulnerable Driver (BYOVD) attacks.
New features 2 changes
Calendar
For: Insiders on Windows 10, version 22H2
- The new calendar shows weather forecasts, holidays, and upcoming events. Its rollout is paused while Microsoft addresses issues.8
For: Insiders on Windows 10, version 22H2
-
The new Outlook for Windows app appears in the Start menu near classic Outlook. Existing settings and defaults do not change.9
The app icon appears in the Apps section of the Start menu.
Technical details
Data sheet · Security · Downloads · Components Click to collapse or expand
Data sheet
- Released
- 2025-01-17
- Type
- Windows Insider build
| Version | Build | Channel |
|---|---|---|
| — | 19045.5435 | Release Preview Channel |
Security
No vulnerabilities are listed for this update.
Sources
Cited passages from Microsoft's official notes (9)
-
1.
Fixed: An issue depletes virtual memory, which might cause some apps to fail.
blogs.windows.com -
2.
Fixed: At times, they fail to read card Universal Unique Identifiers (UUID). This occurs after many point-of-sale (POS) app scans.
blogs.windows.com -
3.
Fixed: An installed printer fails when the spooler initializes.
blogs.windows.com -
4.
Fixed: The Capture Service and Snipping Tool stop responding. This occurs when you press Windows logo key + Shift + S several times while Narrator is on.
blogs.windows.com -
5.
This update adds support for this amendment.
blogs.windows.com -
6.
Bing will stop giving automatic suggestions in the search box for search engine sites, like Baidu. To get manual suggestions, use Ctrl + Tab or the chevron button (>).
blogs.windows.com -
7.
This update adds to the list of drivers that are at risk for Bring Your Own Vulnerable Driver (BYOVD) attacks.
blogs.windows.com -
8.
See the weather forecast and learn about the holidays and events that are coming up. [UPDATE 1/27] We have paused the rollout for this feature to address some issues.
blogs.windows.com -
9.
You now have the new Outlook for Windows app. A new app icon appears in the Apps section on the Start menu, near classic Outlook. There are no changes to any settings or defaults.
blogs.windows.com
Checked automatically: 8 of 8 checks passed, 9 quoted passages
- Quotes found in the official pages: passed
- Numbers found in the sources: passed
- Vulnerabilities from the dossier only: passed
- Links to allowed domains only: passed
- Every official change covered: passed
- Readable plain text: passed
- Changes confirmed by the file list: passed
- Sources agree: passed
A second AI read the text against the sources: correctness 4/5, clarity 4/5, completeness 4/5. How we work
Published by The Update Bureau. Written with AI from Microsoft's own documents, checked by rules and a second AI. How we work · Report a mistake