Slack Linux App Excessive CPU Usage Causes Freezes
Slack consumes excessive CPU on Linux, freezing during screen sharing and terminal use. Forces users to web UI instead.
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Similar Problems
surfaced semanticallySlack Huddle screen sharing is clunky on MacBook
Screen sharing within Slack Huddles on MacBook feels inconsistent and unintuitive compared to the rest of the Slack experience. Users expect the same level of polish that the main Slack interface provides.
Slack Screen Share Lags and Huddle Bar Goes Blank on Mac
Slack screen sharing degrades noticeably on large calls, and the huddle control bar intermittently renders as a blank bar on macOS. Both issues disrupt real-time collaboration. The problems are vendor-owned and have persisted without resolution.
Slack Desktop App Consumes Excessive RAM and CPU on Laptops
Slack's Electron-based desktop application is notorious for high memory and CPU consumption, degrading performance on laptops especially when multiple workspaces are open. This forces users to close Slack to reclaim system resources or accept reduced responsiveness across other applications. The issue has persisted for years and is a known architectural constraint of the Electron framework.
Slack desktop app consumes excessive RAM and CPU on laptops
Knowledge workers running Slack alongside development or creative tools experience significant performance degradation due to the app's high memory and CPU footprint. This is a structural Electron framework issue that Slack has not resolved despite repeated user complaints. It affects the majority of Slack's 32M+ desktop users and compounds on lower-spec machines.
Slack desktop app memory leaks and notification failures in heavy use
Power users running Slack for extended sessions experience progressive memory degradation requiring browser fallback. Notification failures during high-traffic periods (deployment weeks) compound the unreliability. The problem is well-documented but Slack's Electron-based architecture makes it structurally difficult to fix.
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