Release v0.23.0 — One-Click First-Alert Templates and change_logs Retention Pruning
Three ready-made monitors on /templates for instant first alerts, plus a daily cron that prunes change_logs older than 30 days.
Blog
Engineering and product updates from the DiffFlow team.
Release v0.22.0 — Instant Check Now, Touch-Friendly Monitor Actions, and a Fixed Schedule Selector
Run an instant check from any dashboard monitor card, tap-friendly Copy/Pause/Delete actions on mobile, and a fix for a schedule selector that was silently failing.
AI Visual Anomaly Auto-Fixer & Self-Healing Playwright Selector Generator — Auto-Fix Broken Tests
Detect broken CSS/XPath selectors automatically, compute DOM structural tree distance scores, select AI suggested replacement selectors, and 1-click auto-apply fixes.
Multi-Step E2E User Journey & Form Monitor Flow Builder — Synthetic E2E Checks
Configure multi-step user journeys (Open URL -> Fill Form -> Click Element -> Assert Text/Status) with step sequence drag/reorder and live scenario simulations.
Condition & Threshold Rule Alert Trigger Builder — Price Drop, Regex & Visual % Change
Configure smart alert triggers for price drops > 15%, regex matches, and visual screenshot pixel change > 5% with live rule sandbox simulations.
Interactive Visual CSS Selector Picker Modal — Click & Target Any Element
Build pinpoint CSS selectors visually by clicking page DOM elements, testing selector matches, and configuring text/HTML extraction modes.
Full-Page Screenshot Change Overlay — Before vs After Visual Drag Slider
Compare website visual changes interactively with an interactive drag slider, pixel delta heatmap mode, viewport presets (Desktop, Tablet, Mobile), and zoom controls.
Release v0.13.0 — Markdown Diff Export, Keyboard Shortcuts Legend, and Mobile Diff Fixes
Export diff summaries and snapshots to Markdown, navigate with the new '?' keyboard shortcut legend modal, and view side-by-side diffs cleanly on mobile.
Release v0.12.0 — Review Threads on Diffs, Share-Link Fix, Stale-Asset Hardening
PR-style review comment threads on any change event with replies, @mentions, and resolution — plus a fix for broken shared-diff links and hardened stale-asset serving after deploys.
Release v0.11.0 — Diff History, Single-Diff Sharing, and Expanded Templates
Browse all historical changes with timeline navigation, share individual diffs with anyone, and track competitors with 10 new pre-built templates.
Release v0.10.0 — One-Click Competitor Tracking, Crash-Safe Digests, and a Cleaner Setup Form
Watch any competitor's pricing, homepage, features, changelog, or docs with one click, plus a worker crash fix for large non-ASCII pages and a more accessible monitor setup form.
Release v0.9.0 — Stale Cache Fix, Bigger Add Button, and Copyable Summaries
Deploy-safe issue noise drained by a proper immutable-cache purge, a WCAG touch-target fix on the change dashboard, and one-click copying for AI change summaries.
A Bigger Toolbox: Free Tools Dashboard
A dedicated home for the CSS Selector Tester and Visual Selector, plus an accurate changelog and real accessibility fixes.
Release v0.7.0 — Blog Previews, Prerender Fix, and Smoother Notifications
Blog index now shows post excerpts, prerender bug fixed, notification dropdown scrolls cleaner.
Release v0.6.0 — Accessible Dashboard Actions and a Blog RSS Feed
Fixes critical alert formatting, makes dashboard card actions usable for touch and keyboard users, and ships a blog RSS feed. Plus an honest look at what ships.
Release v0.5.0 — Live Activity Feed and an Honest Status Page
Three updates that make DiffFlow easier to live with: an honest status page, a live activity feed, and scannable timestamps.
Dashboard Empty State — A Friendly Welcome When You Have No Monitors
A friendly, animated welcome screen for brand-new dashboards with no monitors yet.
Delete Monitor Confirmation — Prevent Accidental Deletions on Your Dashboard
A modal confirmation before permanently removing a monitor. No more accidental, unrecoverable deletes.
Uptime Percentage — Know Your Monitor's True Reliability, Across All Checks
All-time uptime computed server-side from every health check, not just the last 100.
Total Changes Badge — Your Activity Count, Always in Sight
A count badge on the Activity page so you always know exactly how many change events have been recorded.
Monitor Count Badge — Total Monitors, Always in Sight
The dashboard header now shows exactly how many monitors you track.
Copy Monitor URL — Share Your Dashboard Monitors in One Click
Hover a dashboard card to copy its shareable monitor URL to the clipboard.
Monitor Name Filter — Find Your Dashboard Monitors in Seconds
Instant client-side name filtering on the dashboard monitor list.
Relative Timestamps — Activity Feed, Now Scannable at a Glance
Human-friendly "2m ago / 3h ago" timestamps with absolute time on tooltip.
Activity Feed Filters — Find What Matters Faster
Search by monitor name and filter by change type on the /activity page.
Monitor Status Summary Bar — At-a-Glance Dashboard Health
Active, paused, and error monitor counts at the top of the dashboard.
Check Now — Instant Diff Verification on Demand
Trigger an immediate check from the monitor detail page instead of waiting for the next interval.
AI Diff Summaries — Plain English Change Descriptions, Powered by Gemini Flash
Gemini Flash converts raw change diffs into plain-English summaries on the activity feed and monitor pages.
Click, Don't Code — Introducing the Visual Element Selector
Point and click at any element on a page to create a CSS selector monitor — no coding needed.
Zero-Noise vs. Everything: Why Most Website Monitors Waste Your Time
Alert fatigue is real. Here is how DiffFlow strips the noise from website change detection.
Announcing DiffFlow: Developer-Grade Website Change Monitoring
DiffFlow is live: developer-grade, zero-noise website change detection built on Rust.
Why Rust: Performance-First Architecture for Real-Time Monitoring
Why we chose Rust for the DiffFlow monitoring engine.
Zero-Noise Change Detection Explained
How normalization, hashing, and CSS selectors combine for surgical change alerts.