Changelog

The log sheet.

Every release, newest first.

The first release of Barograph, a menu bar system monitor for Apple silicon that records the last 24 hours and explains what happened.

Separate items for CPU, Memory, Network, Sensors, and Battery, plus an optional compact item for notched displays.
Five drawn styles: glyph and value, sparkline, tiny bar, two-line stacked, and mini pie.
A popover for every item: live minute, key numbers, and the five busiest processes.

Window

Overview dashboard with tiles you can reorder, plus pages for CPU, GPU and Neural Engine, Memory, Disk, Network, Sensors, Battery and Power, and Processes.
Performance and efficiency clusters shown apart, with frequency and power where macOS allows it.
Command palette (⌘K) for pages, history ranges, menu bar items, and settings.

History and Insights

Optional history: the last 24 hours at 10-second resolution, with marks for throttling, sleep and wake, charger, Low Power Mode, and anomalies.
Plain-language explanations for CPU and power anomalies, fan spin-ups, throttling, memory leaks, and memory pressure, computed on your Mac.
Alert rules with optional notifications.

Integrations

Desktop widgets: Metric (small) and Overview (medium and large).
Shortcuts and Spotlight actions: Get Metric, Get System Summary, Explain What’s Unusual, and Open Barograph Page.
Optional local metrics endpoint for Prometheus, bound to this Mac only.