# Sysinternals Process Monitor v4.1, ZoomIt 12.3 for macOS, RDCMan v3.21, and ZoomIt v12.21

- Product: Sysinternals (https://whatsnew.fyi/product/sysinternals)
- Vendor: Microsoft
- Date: 2026-08-19
- Original notes: https://techcommunity.microsoft.com/t5/sysinternals-blog/process-monitor-v4-1-zoomit-12-3-for-macos-rdcman-v3-21-and/ba-p/4548264
- Permalink: https://whatsnew.fyi/product/sysinternals/releases/2026-08-19-process-monitor-v4.1-zoomit-12.3-for-macos-rdcman
- Labels: Platforms: Windows

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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Process Monitor v4.1 This update to Process Monitor, a utility for observing real-time file system, Registry, and process or thread activity, adds the IPC event class for named pipes and mailslots. Zo…

- **added** — Add IPC event class for named pipes and mailslots in Process Monitor
- **added** — Introduce DemoMirror feature for mirroring the screen, a screen region, or a window onto a second monitor in ZoomIt for macOS
- **changed** — Re-enable remote desktop gateway support in RDCMan
- **fixed** — Fix application hang occurring when recording in ZoomIt

[Process Monitor v4.1](https://learn.microsoft.com/sysinternals/downloads/procmon)
This update to Process Monitor, a utility for observing real-time file system, Registry, and process or thread activity, adds the IPC event class for named pipes and mailslots.
[ZoomIt 12.3 for macOS](https://github.com/microsoft/ZoomitForMac/releases/tag/12.3.0)
This update to ZoomIt for macOS, a screen magnification and annotation tool, introduces DemoMirror for mirroring the screen, a screen region, or a window, onto a second monitor.
[RDCMan v3.21](https://learn.microsoft.com/sysinternals/downloads/rdcman)
This update to RDCMan, a tool for managing and connecting to Remote Desktop sessions, re-enables remote desktop gateway support.
[ZoomIt v12.21](https://learn.microsoft.com/sysinternals/downloads/zoomit)
This update to ZoomIt, a screen magnification and annotation tool, fixes an application hang occurring when recording.