Changelog

Week of March 16

Upgrading 3D engine...

Week of March 9

Rebuilt pack dynamics model (note: fine-tuning ongoing)
Pushed bridge railings outwards to prevent road overlap
Widened and forced tunnels to asphalt
Improved tree placement (avoid water and buildings)
Improved side roads with banking and concrete skirts
Properly handle islands (i.e. geometry holes within water)
Ignore intermittent water features
Capped bot cadence to 100rpm
Major performance improvements (up to 40% less CPU strain)
Reduced tree processing time by up to 97%
Rasterized ground types for quicker lookups
Improved terrain generation logic

Week of March 2

Fixed building roof / window flickering (for NVIDIA GPUs)
Improved building ground depth placements
Input mapping: prevent multiple gear shifts per click
Settings: added ability to change email
Settings: added ability to delete account (requires email verification)
Fixed issue with wrong land types (i.e. too many trees)
Fixed TTT results not include riders who leave signup after finishing
Working on improvements to pack dynamics...

Week of February 23

3D: added side roads
3D: greatly improved water features (even creeks & streams are rendered)
3D: automatic bridges over water
3D: added railroad tracks 🚂
3D: better looking cobblestones
3D: switched to better source data for land features
3D: refactored environment loading (camera-focused)
3D: spectating is now a lot better; high-res assets around the camera
3D: numerous performance improvements
3D: better async loading
3D: cleaner debug panel (F4)
Physics: fixed road-surface Crr
TTT: fixed drafting for late-join team members
Fixed guardrails at loop boundaries
Fixed flickering roads near finish line (A->B routes)
Fixed flickering building roofs (hopefully)
Fixed building de-dupe logic
Improved 2D trees

Week of February 16

3D: improved buildings (added roofs, windows, etc)
3D: procedural building and roof textures
3D: procedural road / snow textures
3D: added cloud movement, slight shape tweaks
3D: fixed shadow issues when moving fast (due to FOV)
3D: increase camera angles
3D: added mileposts
3D: added surface types (with different Crr)!
New surface types: asphault, rough, cobblestone, dirt, gravel, singletrack
Route Editor: added layers support
Route Editor: added support for surface types
Route Editor: cleaned up layout
Fixed Companion page (props Josef)
Fixed auto-switching to "Virtual gear" mode
Exit fullscreen on quit
Improved time format for events and challenges
Improved file loading to support large activities (props Falk 😆)

Week of February 9

Group workouts: complete overhaul
Group workouts: anyone can host a workout (not just the event creator) as long as there's no active workout
Group workouts: participants can join a workout via "Join" button
Group workouts: participants can enable rubber-banding to stay with the host
Group workouts: participants can request control of workout
Group workouts: event creator can force control of the workout
Group workouts: if the host leaves, another participant will be made the host
Rider list: added button to cycle the displayed stat (W/kg, Watts, Speed)
Event series: stages can now be sorted
Event detail: added attendee search
Event detail: added new "Attendance" and "W/kg" columns (sortable)
Major website design cleanup
Updated dashboard design + new stats
Workouts: display repeating intervals as groups with the repeat count
Added basic chat profanity filter
Under-the-hood fog improvements (no more three.js patches)
Added guards to prevent missing tiles from causing JS errors
3D performance improvements and tree fixes

Week of February 2

Added UI for custom key mappings (in-ride "Help" tab)
Added Context Menu (in-ride keyboard and controller-friendly actions)
Added support for Zwift Ride
Added support for Zwift Play
Added support for Wahoo KICKR BIKE PRO
Added support for Wahoo KICKR BIKE SHIFT
Much better environment loading when using cinecam mode
Improved routes map view (much better loading)
Fixed some route editor "closest point on route" bugs
Fixed ordering of series page (nearest upcoming events first)
Fixed series edit page - update event titles when the series title changes
Tons of code cleanup and restructuring
Added athlete list page
Added teams
Added new roles: club owner, club admin, team leader
Clubs - club owners + admins can manage the club, its teams & members
Teams - team leaders can add/kick team members
Revamped TTT signup - simply click "Signup" and BT handles the rest
Improved the Help Center (better navigation)
Fixed spectator mode bug
Added 10-second rolling start to mass-start races
Teleport distance supports both mi / km (depending on user settings)
Only auto-switch to "Virtual Gear" if a button device is detected
Improved tree / foliage performance and rendering
Auto-scale and optimize uploaded jersey images
Much faster website loading (moved servers)
Migrated from mysql to postgres
Rewrote the API to JS
Fix: allow non-keyboard hotkey bindings when chat is focused
TTT: any team member can now start / abort the countdown
Added edit support for route collections

Week of January 26

Major changes in progress (see next week)

Week of January 19

Route editor: re-added altitude nudging tool
Route editor: improved quality assessment scores
Route editor: improved elevation smoothing tool output
Route editor: improved trackpad interaction with elevation graph zooming
Route editor: added rightclick + drag for region zooming, and a "reset zoom" button
Route editor: added "Clear all brunnels" button (under "Advanced options")
Route editor: minor button styling tweaks
Route editor: fixed the "Altitude alignment" tool to ignore brunnels
Route editor: prevent auto-annotated bridges for routes below sea level
Route editor: fixed tunnel auto-annotator ignoring situations where the route legitimately passes below sea level
Route editor: fixed rare occasions of points missing altitude lookup data
Route editor: performance improvements
Fixed route page elevation chart
Added better modal when requesting route publication
Added event series support
Added series page
Updated route elevation graph colors
Fixed route collections page
Fixed power2 readings when power meter disconnects
Internal improvements

Week of January 12

Rebuild the activity page charts (you can now click + drag to zoom in)
Activity charts show "power2" if available, to compare trainer vs power meter readings
Removed Chart.js (in favor of in-house charts)
Refactored the FIT file encoder (skip unused fields to save space)
Fix: don't load workouts during races (props Matjaz 😆)
Fix: clear the workout when quitting a ride
Drafting: smoothed out rapid changes for more stability
Drafting: reduce when descending (proportional to grade)
Added Zwift Play steering support (use < > arrows)

Week of January 5, 2026

Fixed multiplayer reconnect issues
Added latency stat below the rider list
Fixed ITT bug where pausing/resuming would reset the start time
Fixed TTT bug where a team's countdown timer would affect another team's start time
Fixed "Join challenge" link not working
Added custom branding for Tour du Monde
Added a modal to let ITT riders know they can start manually
Added Tundra biome
Fixed "hugging" pacer bots when ego is stopped
Fixed loading / LoD bugs

Week of December 29

Added event "Companion" (to chat on mobile device while riding)
Events - removed limit on number of reconnect attempts
Consolidated some dashboard lookups (faster loading)
Lots of internal code cleanup

Week of December 22

Added Elite Sterzo support (steering device)

Week of December 15

Fixed rider freeze issue (ironically caused by debug logging)
Added lap counts to network packets - spectators can see proper laps
Rider list - fixed ordering for crits and other multi-lap races
Rider list - only use the group name "Stragglers" for the overflow group
Greatly reduced multiplayer packet size, less bandwidth
Working on club / team improvements...

Week of December 8

Rider list - bump max groups from 6 to 8
Rider list - when spectating in group view, allow riders to be selected
Added confirm when disabling Calendar Sync
Removed target="_blank" from most links for better app compatibility
Better jersey image caching
Applied fix for resistance lag when drafting (most apparent on Elite trainers)
Added full start date (in user's local time) to event pages
Added FESTIVE 2025 event

Week of December 1

DB Migration for better event support
TTs (both ITT and TTT) now support multiple retries
Bluetooth - automatically use "Virtual Gear" control mode when available
Race results - only auto-refresh while the menu is open
Rider list - added toggle between "Individual" and "Group" views
Rider list - added automatic groups based on rider proximity
Rider list - added auto-scroll so the current rider name stays visible
Rider list - when spectating, click a group name to spectate the lead rider
Rider list - cleaned up styling
Preparing for the holiday challenge...

Week of November 24

Minimap - stripped some feature layers to improve performance
Reduced camera mouse drag sensitivity proportional to zoom distance
Fixed grass spawning inside tunnel entrances
Fixed bridge pylons sometimes still spawning inside roads
Editor - fixed map view crash when selecting points
Editor - fixed issue of not being able to select individual points with CTRL
Editor - fixed lag when adding new points to a route

Week of November 17

Added pager next/back button support
Fixed the pager (again)
Fixed responsive issue w/ profile page activities table
Fixed black pixels dancing in the fog
Fixed roadside cliff edges poking into the road
Added new "Foliage style" setting in the route editor
Reduced tree density at distance to improve performance
Improved shadow casting, fixed missing shadows
Fixed disappearing trees in low detail settings
Set a reasonable limit (100km) for free user route uploads

Week of November 10

Improved visuals!
Improved visual detail at range (trees, water, etc)
Improved mountain, rock, and cliff detail
Improved road textures
Improved building appearance
Added ground color variation that adjusts based on elevation
Added new "Lighting style" Route setting (Morning, Evening, etc)
Added groundwork for supporting urban surfaces
Improved colors, increased detail and vibrance
Fixed issue causing crinkled square artifacts on the ground
Fixed sizing of roadside shrubbery
Fixed crop spawning issue on desert biome
Fixed bug that occasionally crashed spectate mode on pageload
Fixed server crashing bug (whoops) 🙃
W/S keys can now be used to contextually (a) change virtual gears, (b) adjust workout intensity, or (c) adjust ERG free-ride power
Events styling tweaks
Minor optimizations
Fixed rare crash on pageload
Improved shrubbery detail and performance
Fixed issue with trees sometimes not spawning around the road
Fixed hemisphere lighting issue casting improper shadows
Tweaked lighting styles to reduce harshness and improve colours
Enabled "Lighting style" setting in timed races
Fixed road geometry jutting upwards after the first lap
Fixed tunnel de-spawning issue

Week of November 3

Added new "Draft feel" setting (reduces trainer resistance while drafting)
Display the "Results" tab for spectators
Physics code cleanup
Removed the "Draft stickiness" setting for now
Working on adding environmental details...