FastStats Changelog

Percentiles

Sat, 17 Oct 2026 00:00:00 GMT

Aggregate chart values by any percentile, such as p90, p95, or p99.9.

Segment Editor

Sat, 17 Oct 2026 00:00:00 GMT

The segment editor was redesigned and segments now work in Minecraft projects.

Preview sample members while you edit a segment
Suggestions for trait, event property, and value names your project sends
Import member lists from a CSV file
Duplicate an existing segment
Date windows can use a time zone
Segment lists show how many people each segment contains

Private Web Projects

Fri, 16 Oct 2026 00:00:00 GMT

Web analytics projects are now always private.

Forge Support

Thu, 15 Oct 2026 00:00:00 GMT

The Java SDK now supports Forge mods.

User Paths

Wed, 14 Oct 2026 00:00:00 GMT

See where sessions go across your pages and events, and where they drop off.

Inspect Replay Elements

Wed, 14 Oct 2026 00:00:00 GMT

Pause a session replay and click any element to see its selector, attributes, styles, and HTML.

Up Next in Replays

Wed, 14 Oct 2026 00:00:00 GMT

When a replay ends, jump to the next one in your list or turn on autoplay to keep watching.

Pinned Projects

Wed, 14 Oct 2026 00:00:00 GMT

Pin projects to keep them at the top of your project list.

Segments

Wed, 14 Oct 2026 00:00:00 GMT

Save groups of users and reuse them across web analytics.

Retention by Event

Wed, 14 Oct 2026 00:00:00 GMT

Choose which events start a cohort and which count as a return in web analytics.

SDK on Errors

Wed, 14 Oct 2026 00:00:00 GMT

Errors now show which SDK reported them.

Filter Sessions by Day

Wed, 14 Oct 2026 00:00:00 GMT

Click a day in a user's activity heatmap to see only that day's sessions.

Retention Cohort Options

Tue, 13 Oct 2026 00:00:00 GMT

Change the retention granularity and choose how cohorts and returns are defined.

Legend Highlighting

Tue, 13 Oct 2026 00:00:00 GMT

Hover a legend item to highlight its series. Hidden series are now remembered for each chart.

Visitor Context

Tue, 13 Oct 2026 00:00:00 GMT

Web events now record the visitor's timezone, language, and screen size.

Chat Suggestions

Tue, 13 Oct 2026 00:00:00 GMT

The chat now suggests questions based on the page you are on.

Web Vitals Scores

Tue, 13 Oct 2026 00:00:00 GMT

CLS values now show three decimals and vitals scores are more accurate.

Treemap Charts

Tue, 13 Oct 2026 00:00:00 GMT

Show how groups share a total with the new treemap chart type.

Interactive Chart Legends

Mon, 12 Oct 2026 00:00:00 GMT

Click a series in a chart legend to hide it, or Shift-click to show only that series.

Simpler Project Creation

Mon, 12 Oct 2026 00:00:00 GMT

The create project wizard is now a single short form.

Rebuilt Dashboard Grid

Sun, 11 Oct 2026 00:00:00 GMT

The dashboard grid was rebuilt for dragging and resizing charts.

Chart Thresholds

Sat, 10 Oct 2026 00:00:00 GMT

Draw threshold lines on bar and time series charts.

Chart Value Formatting

Sat, 10 Oct 2026 00:00:00 GMT

Choose how values are formatted on bar and time series charts.

CSV Download for Charts

Wed, 07 Oct 2026 00:00:00 GMT

Download the data behind any chart as a CSV file from the chart menu.

Undo & Redo in the Chart Builder

Tue, 06 Oct 2026 00:00:00 GMT

Step back and forth through your changes while building a chart.

Node Picker

Tue, 06 Oct 2026 00:00:00 GMT

Insert nodes directly into a flow with the new node picker.

Create Labels from the Issue Toolbar

Sun, 04 Oct 2026 00:00:00 GMT

Create new error labels directly from the error issue toolbar.

User & Replay Links in Event Explorer

Sun, 04 Oct 2026 00:00:00 GMT

Event details now link to the user and their session replay.

Comments on Session Replays

Sat, 03 Oct 2026 00:00:00 GMT

Comments were rebuilt and are now available on session replays as well as error issues.

User Activity Timeline

Wed, 30 Sep 2026 00:00:00 GMT

User details now show a timeline of activity with links to session replays.

Organization Ownership Transfer

Wed, 30 Sep 2026 00:00:00 GMT

Owners can transfer an organization to another member.

Chart Edit Conflicts

Wed, 30 Sep 2026 00:00:00 GMT

Charts now warn you when someone else saved changes while you were editing.

Timezone-Aware Retention

Wed, 30 Sep 2026 00:00:00 GMT

Retention now follows your timezone and local calendar boundaries.

Greater & Less Than Filters

Tue, 29 Sep 2026 00:00:00 GMT

Filters now support greater than and less than comparisons.

Logarithmic Scale

Mon, 28 Sep 2026 00:00:00 GMT

Bar, radar, scatter, and time series charts can use a logarithmic scale.

Download File Exclusions

Mon, 28 Sep 2026 00:00:00 GMT

Exclude files from download providers using patterns.

Java SDK 0.30.2

Sun, 27 Sep 2026 00:00:00 GMT

Expanded Discord webhook anonymization in tracked errors.

Covers discord.com/api/webhooks and discord.com/api/v10/webhooks
Covers webhook URLs on canary.discord.com, ptb.discord.com, and discordapp.com

Replay Insights

Wed, 23 Sep 2026 00:00:00 GMT

A new Insights page surfaces recurring problems found across session replays.

AI Replay Summaries

Tue, 22 Sep 2026 00:00:00 GMT

Session replays can be summarized automatically, including detected pain points.

Replay Network Tab

Fri, 18 Sep 2026 00:00:00 GMT

Inspect network requests in the session replay sidebar.

Project Data Export

Fri, 18 Sep 2026 00:00:00 GMT

Export your project data from the general project settings and receive a download link by email.

Embedding Error Grouping Preview

Thu, 17 Sep 2026 00:00:00 GMT

Try a new error grouping approach that compares stack traces and error data by semantic similarity.

Embedding-based grouping with an adjustable similarity threshold
Early preview for feedback on grouping quality
The embedding model runs on FastStats infrastructure without sending stack traces to a third-party AI provider

Rebuilt Code Context

Tue, 15 Sep 2026 00:00:00 GMT

Code Context now discovers source paths automatically and supports more repository providers and stack trace languages.

Added GitLab, Bitbucket, and Cursor Origin alongside GitHub and Codeberg
Supports JVM, JavaScript, and Rust stack traces
Automatic source path discovery replaces manual path configuration
Improved reliability across supported providers

Chart Sorting

Tue, 15 Sep 2026 00:00:00 GMT

A new sort node orders chart outputs by value, dimension, or time.

Project Overview & Analytics Improvements

Tue, 08 Sep 2026 00:00:00 GMT

Added an experimental project overview with anomaly detection, alongside improvements to filtering, retention, error tracking, and charts.

New Overview page highlights important project features and data with anomaly detection
Improved filter interface with LLM-powered plain language input; filters are no longer available in public views for privacy
Monthly retention buckets and filtering for specific user groups
Redesigned error occurrences list and context panel with shift-click bulk selection
Improved large widgets and detailed List Chart views
Delete chart nodes directly and copy and paste nodes across charts
New empty project state and datasource coverage
Rage click detection in Web Analytics session replays
Faster queries, performance improvements, and bug fixes

Java SDK 0.30.1

Fri, 04 Sep 2026 00:00:00 GMT

Fixed NeoForge compatibility for Minecraft 26.1.

Corrected the NeoForge 26.1 compatibility layer

Java SDK 0.30.0

Wed, 02 Sep 2026 00:00:00 GMT

Tracked errors now use immutable snapshots to prevent corruption and threading issues.

Uses the first available error message as the error description
Snapshots preserve captured errors and reduce missing stack traces
Breaking change: TrackedError#error returns ThrowableSnapshot instead of Throwable; replace #getClass calls with #type
Errors can no longer be mutated after tracking
Configuration terminology changed from anonymous to pseudonymous

Tabbed Occurrence Context

Tue, 11 Aug 2026 00:00:00 GMT

The error occurrence context panel is now organized into tabs.

JSON Datasources & Chart Improvements

Sat, 08 Aug 2026 00:00:00 GMT

JSON datasources are now available on the platform, alongside faster charts and a clearer error trend.

Create charts using the JSON datasource type previously introduced in the SDK
Refactored query assembly speeds up additional charts
Error Trend charts now fill gaps and show more granular data
Testimonials are now displayed on the landing page and /mods

Rust Stack Traces

Sat, 08 Aug 2026 00:00:00 GMT

Error tracking now understands Rust stack traces.

Zoomable Error Trend

Sat, 08 Aug 2026 00:00:00 GMT

Drag to zoom into the error trend chart.

User Context for Errors

Sun, 02 Aug 2026 00:00:00 GMT

Error occurrences now show the affected user.

Faster Custom Dashboards

Sat, 01 Aug 2026 00:00:00 GMT

Custom datasource dashboards now load through the optimized V2 table schema.

Migrated existing data to the new schema while preserving chart compatibility
Observed dashboard query times improve from 500 ms to 150 ms and from 3,300 ms to 990 ms
Renamed minecraft_version to game_version while retaining compatibility with older SDKs

Java SDK 0.29.1

Sun, 26 Jul 2026 00:00:00 GMT

Added jar-in-jar support for Fabric and NeoForge.

Bundle the SDK with Fabric and NeoForge using jar-in-jar (JIJ)
Updated documentation for Java 8 artifacts and JIJ setup

Java SDK 0.28.1 & Game Versions

Sun, 26 Jul 2026 00:00:00 GMT

Fixed default Hytale metrics and updated game version naming across the SDK and dashboard.

Added missing plugin_version and game_version to Hytale default metrics
Fixed the Hytale server_type metric reporting a user-configurable value
Renamed the default minecraft_version metric to game_version
Renamed the Minecraft Versions chart to Game Versions
The collector accepts game_version while retaining compatibility with minecraft_version

Java SDK 0.28.0

Wed, 15 Jul 2026 00:00:00 GMT

Added JSON metric types and support for multiple flush callbacks.

Introduced JsonObject, JsonArray, and JsonPrimitive; platform support followed on August 8
Chained Metrics.Factory#onFlush calls now append callbacks instead of replacing them

Customizable Error List

Wed, 08 Jul 2026 00:00:00 GMT

Choose which error list columns to display and see more issue details at a glance.

Toggle visible columns in the Error Tracking list
New sparkline graph column
New badges for occurrence version ranges and comment counts

Dashboard Duplication

Tue, 07 Jul 2026 00:00:00 GMT

Duplicate a dashboard together with all of its charts.

Regressed Issues

Tue, 07 Jul 2026 00:00:00 GMT

Resolved errors that come back are now marked as regressed.

Per-Output Chart Colors

Mon, 06 Jul 2026 00:00:00 GMT

Chart colors are now configured on output nodes for more flexible styling.

Color settings moved from the Appearance tab to output nodes
Different chart outputs can use different colors
Existing charts migrated to per-output color settings

Java SDK 0.27.2

Sun, 05 Jul 2026 00:00:00 GMT

Added multi-version support for Fabric and NeoForge.

Select both the SDK version and the target Minecraft version in dependencies
Fabric supports Minecraft 1.16.1 through 26.3
NeoForge supports Minecraft 1.21 through 26.2

Private GitHub Code Context

Sun, 05 Jul 2026 00:00:00 GMT

Code Context now supports private GitHub repositories with more reliable source access.

The GitHub App requests read-only repository contents access
Existing installations may need to approve the updated permissions

Event Marker Collections

Thu, 02 Jul 2026 00:00:00 GMT

Group event markers into collections.

Download Release Markers

Wed, 01 Jul 2026 00:00:00 GMT

Built-in marker collections show download provider releases on your charts.

Event Markers

Tue, 30 Jun 2026 00:00:00 GMT

Mark releases and other events on your time series charts.

Download Analytics Granularity

Sun, 28 Jun 2026 00:00:00 GMT

Choose the granularity of download history and see downloads gained per period.

Notifications

Sat, 27 Jun 2026 00:00:00 GMT

Get notified about error tracking activity in real time, with settings for email notifications.

Project Icons

Tue, 23 Jun 2026 00:00:00 GMT

Add icons to your projects to make them more recognizable.

Support for icons, emojis, and images

Error Labels

Tue, 23 Jun 2026 00:00:00 GMT

Organize error issues with custom labels.

Comment Count Filter

Tue, 23 Jun 2026 00:00:00 GMT

Filter error issues by how many comments they have.

Semantic Error Search

Fri, 19 Jun 2026 00:00:00 GMT

Search error tracking by message, stack trace, context, and metadata from any project or workspace view.

Full-text search across error messages, stack traces, and context

NeoForge Support

Thu, 18 Jun 2026 00:00:00 GMT

Added support for NeoForge mods to the Java SDK.

Timezone Setting

Thu, 11 Jun 2026 00:00:00 GMT

Set the timezone used across your dashboards.

Downloads Badge

Thu, 11 Jun 2026 00:00:00 GMT

Badges can now show your project's download count.

Embed Dialog Preview

Mon, 08 Jun 2026 00:00:00 GMT

The chart embed dialog now shows a live preview and lets you pick the output format.

Launch Week: Public REST API

Fri, 05 Jun 2026 00:00:00 GMT

Our most requested feature is here: a public REST API authenticated with API keys.

Launch Week: New Settings

Thu, 04 Jun 2026 00:00:00 GMT

All settings pages were redesigned to be more consistent.

Keyboard Shortcuts

Thu, 04 Jun 2026 00:00:00 GMT

Navigate the dashboard with new keyboard shortcuts.

Date & Time Formats

Thu, 04 Jun 2026 00:00:00 GMT

Choose how dates and times are displayed.

Launch Week: FastStats CLI

Wed, 03 Jun 2026 00:00:00 GMT

An experimental terminal tool to manage projects, datasources, and dashboards, with live charts in the TUI.

Launch Week: Chart Editor

Tue, 02 Jun 2026 00:00:00 GMT

A new chart editor with bigger, better-described nodes.

Project Switcher

Tue, 02 Jun 2026 00:00:00 GMT

Switch projects from the navbar or with a keyboard shortcut.

Launch Week: Error Tracking

Mon, 01 Jun 2026 00:00:00 GMT

A rebuilt error tracking experience with smarter grouping, manual merge and unmerge, and a redesigned issue page.

Error Overview

Mon, 01 Jun 2026 00:00:00 GMT

A new overview shows error statistics and trends at a glance.

Error Breakdown Panel

Sun, 31 May 2026 00:00:00 GMT

Break down the occurrences of an issue by field.

Reopen Resolved Issues

Sat, 30 May 2026 00:00:00 GMT

Resolved error issues can now be reopened.

Seen Filter

Fri, 29 May 2026 00:00:00 GMT

Filter error issues by whether you have viewed them.

Limit Node

Fri, 29 May 2026 00:00:00 GMT

Cap the number of rows a chart returns with the new limit node.

Scatter Charts

Wed, 27 May 2026 00:00:00 GMT

A new scatter chart type is available in the chart builder.

Linked Charts

Fri, 15 May 2026 00:00:00 GMT

Copy a link to any chart; opening it scrolls to the chart and highlights it.

Codeberg Code Context

Mon, 04 May 2026 00:00:00 GMT

Code Context now works with Codeberg repositories, including custom API URLs.

Multi-Metric List Charts

Sun, 03 May 2026 00:00:00 GMT

List charts can show several metrics side by side.

Chart Zoom

Fri, 01 May 2026 00:00:00 GMT

Drag to zoom into a time range on charts.

Code Context

Thu, 30 Apr 2026 00:00:00 GMT

View the relevant source code around stack trace locations directly in error tracking. Connect a GitHub repository or use public Codeberg repos with custom path mappings.

GitHub and Codeberg repository support
Custom path pattern mapping for stack traces
Click stack frames to view syntax-highlighted source

Replace & Regex Transforms

Tue, 28 Apr 2026 00:00:00 GMT

Text transforms now support replace and regex operations.

Fullscreen Maps

Mon, 27 Apr 2026 00:00:00 GMT

Map charts can go fullscreen and zoom with scroll.

Copy Dashboards Between Projects

Mon, 27 Apr 2026 00:00:00 GMT

Copy a dashboard into another project.

Text Transform Node

Wed, 15 Apr 2026 00:00:00 GMT

Clean up labels with the new text transform node.

Embed Color Palettes

Fri, 10 Apr 2026 00:00:00 GMT

Embedded charts can use custom color palettes.

Breakdown Series

Thu, 09 Apr 2026 00:00:00 GMT

Area and line charts support breakdown series.

Shields.io Badges

Sat, 04 Apr 2026 00:00:00 GMT

Embed live project stats in READMEs and docs with Shields.io badges.

Servers, players, events, and download metrics
Customizable labels, colors, and styles
Markdown and HTML embed codes

Error Tracking Improvements

Fri, 03 Apr 2026 00:00:00 GMT

Triage errors with priority, assignees, and comments, and review issues across all your projects from one place.

Priority, assignees, and comments
Workspace-wide errors page
Faster issue loading
ProGuard obfuscation mapping support
Java vendor tracking on SDK 0.19.0+

New Download Analytics Providers

Sun, 29 Mar 2026 00:00:00 GMT

Added support for 3 new download providers to the download analytics.

Curseforge
Ore.io (Sponge)
Github Releases

Regex Filters

Tue, 17 Mar 2026 00:00:00 GMT

Filter nodes now support regular expressions.

Error Filters

Tue, 17 Mar 2026 00:00:00 GMT

Filter error tracking by country and device.

Download Analytics

Thu, 12 Mar 2026 00:00:00 GMT

Track downloads for your projects across mod and plugin platforms.

Modrinth, Hangar, and Spigot support
Data refreshed every 30 minutes
More platforms and visualizations planned

Copy & Move Charts

Thu, 12 Mar 2026 00:00:00 GMT

Copy or move charts between dashboards from the chart menu.

Embedded Charts now support light mode

Tue, 10 Mar 2026 00:00:00 GMT

BBCode Chart Embeds

Tue, 10 Mar 2026 00:00:00 GMT

The embed dialog now generates BBCode alongside Markdown.

Required Two-Factor for Organizations

Fri, 27 Feb 2026 00:00:00 GMT

Organizations can now require two-factor authentication from their members.

Radar & Heatmap Charts

Thu, 26 Feb 2026 00:00:00 GMT

Two new chart types are available in the chart builder.

Custom Chart Colors

Wed, 25 Feb 2026 00:00:00 GMT

Define your own color palette for a project's charts.

Dashboard Reordering

Wed, 25 Feb 2026 00:00:00 GMT

Drag and drop dashboards in the sidebar to reorder them.

Max Age Node

Tue, 17 Feb 2026 00:00:00 GMT

A new Max Age node controls how recent data must be to count in a chart.

Global Chart Time Range

Sat, 14 Feb 2026 00:00:00 GMT

The time range selector now applies to all charts on the dashboard, not just line and area charts.

Redesigned Landing & Dashboard

Sat, 31 Jan 2026 00:00:00 GMT

The landing page and dashboard have been redesigned to be more modern and user-friendly.

New monospace design system
Improved landing page
Updated dashboard user experience

Support for Sponge

Wed, 21 Jan 2026 00:00:00 GMT

Added Support for Sponge Plugins to the Java SDK.

Sponge plugin integration
Event tracking for Sponge servers

Error Tracking

Sun, 18 Jan 2026 00:00:00 GMT

Track and monitor errors across your applications with detailed stack traces and context.

Automatic error capture
Stack trace analysis
Error grouping and deduplication
Context and breadcrumbs

Support for Hytale

Sun, 18 Jan 2026 00:00:00 GMT

Added Support for Hytale Plugins to the Java SDK.

Hytale plugin integration
Event tracking for Hytale servers

Support for Nukkit

Sun, 04 Jan 2026 00:00:00 GMT

Added Support for Nukkit Plugins to the Java SDK.

Nukkit plugin integration
Event tracking for Nukkit servers

Design Update

Mon, 22 Dec 2025 00:00:00 GMT

The marketing-related pages have a new brutalist look.

New brutalist design system
Improved landing page
Updated documentation styling

Added Changelog

Tue, 09 Dec 2025 00:00:00 GMT

A changelog has been added to track updates and improvements to FastStats.

Changelog page
RSS feed support
Version tracking