2 items
Highlights the active thread's root post in the center channel Visually highlights the root message of the currently open thread in the center channel. Never lose track of which conversation you're reading. Features - Active thread highlighting — when you open a thread in the right-hand sidebar, its root post in the center channel gets a subtle amber border and background overlay - Configurable domain — works on any self-hosted Mattermost instance, just enter your domain in the popup - Instant detection — uses MutationObserver for immediate reaction to thread changes, with interval polling as fallback - Zero reload apply — changing settings takes effect immediately without page refresh - Lightweight — no external dependencies, minimal DOM footprint, pointer-events passthrough Fixes: - Fixed thread highlight appearing with a ~5 second delay after page load for Chrome Web Store users - Improved extension responsiveness by optimizing how DOM changes are detected - Fixed extension not working after browser restart without reopening settings
Mar 20, 2026
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