Precision Progress, Overview Tab & Reliability — ARC Library Field Notes

What’s New 2.13.0

Track your reading with exact numbers instead of an imprecise slider. Type the exact page, audio time (hours + minutes), or percentage — and it auto-saves on the spot.

Published 2026-02-19 · Reviewed 2026-02-19

Version 2.13.0 brings 10 customer-facing changes to ARC Library. Role or platform labels appear only where a change is specific to that experience.

New

Precise Progress Tracking

Track your reading with exact numbers instead of an imprecise slider. Type the exact page, audio time (hours + minutes), or percentage — and it auto-saves on the spot.

Overview Tab (Desktop)

A brand-new first tab on desktop gives you an at-a-glance summary: progress tracking, reading pace, key dates, and quick PR task management — all in a two-column layout.

Smarter Reading Pace

The reading pace section now shows your actual pace vs. required pace side by side, with an on-track indicator. Calculated from your real progress history, not just deadlines.

Timezone & Notification Settings

Set your timezone and preferred notification time directly in settings. Notifications automatically reschedule when you change your preferences.

Grid Column Preferences

Customize how many columns your library grid displays on mobile and desktop independently. Your preference syncs across all devices.

Improved

Cumulative Progress Chart

The reading pace chart now shows cumulative progress over time instead of daily rate, giving a clearer picture of your reading journey.

Faster App Performance

Optimized component rendering with memoization and reduced unnecessary re-renders across the app for a noticeably snappier experience.

Better Background Sync

When you switch back to ARC Library after using other apps, your session and data now refresh more reliably.

Fixed

Profile Data Reliability

Fixed an issue where social links, reading tastes, and sort preferences could fail to load. Profile data is now fetched in a safer way that prevents one missing field from breaking everything.

Data Loading Stability

Resolved issues with entity data merging, moderator access, and admin panel queries for a more stable overall experience.