Changelog

v2.3.0
A history of updates, improvements, and fixes to Districtr.

v2.3.0

August 2026

Districtr v2 is now live at districtr.org! The original Districtr remains available at legacy.districtr.org.

New features

  • Map modules for all 52 geographies: 50 states, DC, and Puerto Rico
  • Draw and Super Draw edit modes
  • Continuous choropleth scales for demographic and election shading
  • City boundaries as an optional overlay layer
  • Check for unassigned units while zoomed out
  • Site architecture revamp with a surfaced guide page and contextual help across the map editor

Reliability and bug fixes

  • CSV importer now infers map modules correctly and prefers customizable-district maps
  • Hotkeys no longer allow assigning district 0
  • Fixed a memory issue with voting age population overlays
  • Gentler zoom animations

Security

  • Cloudflare Turnstile integration to protect map creation
  • Completed a security audit

v2.2.6

July 8, 2026

UI polish

  • Population panel scrolls with many districts
  • Users stay on their current tool after break/shatter
  • Draggable toolbar keeps its position across sessions
  • Improved county boundary layer styling and visibility

Reliability and bug fixes

  • District labels now update when erasing disconnected components
  • Fixed local caching when a user's last action is an undo
  • Improved undo/redo interaction with map sync

Developer and ops

  • Production stress-testing harness and fixed a race condition in concurrent map evaluation

v2.2.5

June 30, 2026

New features

  • Export overhaul
  • Simplified CSV and block assignment imports: automatic map inference and string zone label remapping
  • Dedicated manage maps page and better saved maps
  • Improved uploader workflow
  • Navigation and UX enhancements, with user flows centralized on the main site
  • Under-construction page manageable from the CMS

Reliability and bug fixes

  • Undoing a paint on broken geometries now triggers healing correctly

Developer and ops

  • Migrated hosting to AWS with infrastructure as code and automated deploy workflows
  • Daily audits of map graph data completeness
  • New test suites for data pipeline graph transforms
  • Per-PR preview deployments

v2.2.4

June 3, 2026

New features

  • Evaluation view and metrics

Reliability and bug fixes

  • Improved performance identifying unassigned units
  • Optimized assignments format using MessagePack for getting assignments and editing assignments
  • Fixed an issue relating to painting via click after shattering a parent unit

v2.2.3

June 3, 2026

Reliability and bug fixes

  • Hotfix for connection leak

v2.2.2

May 2026

New features

  • Evaluation view backend April

Reliability and bug fixes

  • Limits timeouts on queries
  • Adds Grafana integration
  • Fixes graph memory leak issue

Developer and ops

  • Centralize constants

v2.2.1

April 2026

New features

  • Community of Interest (COI) mapping mode
  • Coalition builder allows users to view stats about combined demographic groups
  • Per-district descriptions and comments on draft plans
  • Public read-only views for shared plans

Reliability and bug fixes

  • Fixed various data integrity edge cases
  • Cleaned up moderation pipeline and implementation for comments

UI polish

  • Save and Revert no longer appear on public views
  • Public plan loads now show a spinner instead of a blank map
  • Improved accessibility for geocode search (keyboard nav, ARIA)
  • Streamlined community-mode UI, create map list dropdown, and display-name editing

Performance

  • Demography updates guard against race conditions on rapid navigation
  • Removed duplicate assignment inserts on no-op saves

Developer and ops

  • Playwright E2E testing harness and VS Code dev containers
  • Pinned dev Docker images, Sentry, and Fly deploy actions
  • Comment-length and count CLI flags now flow through correctly

v2.2.0

January 14, 2026

  • Added changelog page with MDX support
  • Optimized map saving speed for plans with many shattered precinsts

v1.0.0

Initial Release

  • Original Districtr application
  • Basic district mapping functionality
  • Community of interest mapping tools
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