Cal.com Engineering

2025 Engineering
Year In Review

A year of remarkable growth, innovation, and commitment to excellence in scheduling infrastructure

January – December 2025194 Releases

The Big Numbers

A year of unprecedented engineering productivity

3,283
Total PRs
Pull requests shipped
9,348
Total Points
Engineering complexity points
2.85
Avg Points/PR
Average complexity per PR

Highest Output Month

Peak productivity achievement

March 2025
1,119 points from 384 PRs

Points Distribution

PR complexity breakdown across 3,283 pull requests

Where Engineering Effort Goes

Comparing volume of work (PR count) vs size-weighted effort (points)

% of PRs (Volume)

% of Points (Effort)

💡

Key Insight

Features represent 17.5% of PRs but 24.3% of points. Feature work is larger/more complex on average (3.94 pts/PR vs 2.85 overall)

🐛

Key Insight

Bug fixes are 38.2% of PRs but only 32.4% of points. Bug fixes tend to be smaller/more focused (2.41 pts/PR vs 2.85 overall)

TypePRs% of PRsPoints% of PointsAvg Pts/PR
Bug Fixes
1,25538.2%3,03032.4%2.41
Features
57617.5%2,27124.3%3.94
Chore
64519.6%1,80419.3%2.8
Refactor
1925.8%7217.7%3.76
Performance
1574.8%5095.4%3.24
Other
45814.1%1,01310.9%2.21

Monthly Activity

Engineering points delivered throughout 2025

Note: December 2025 data is partial (through Dec 3rd)

Year-Over-Year Growth

Comparing 2024 vs 2025 performance metrics

Metric20242025Growth
Total PRs2,7963,283
+17.4%
Total Points7,4749,348
+25.1%
Avg Points/PR2.672.85
+6.7%
Feature Points2,0112,271
+12.9%
Bug Fix Points2,3613,030
+28.3%
Performance Points139509
+266%
Refactor Points323721
+123%

Fun Facts and Highlights

Celebrating the achievements of 2025

Release Velocity

194 releases

The team shipped a release approximately every 1.7 days in 2025!

Bug Squashing Champions

3,030 points

1,255 bug fix PRs – that's 3.7 bugs fixed per day!

Performance Focus

+266% increase

From 139 points in 2024 to 509 points in 2025 – speed matters!

Code Quality Investment

+123% increase

721 points of refactoring in 2025 vs 323 in 2024 – cleaner code ahead!

Thank you, Cal.com Engineering Team!

Here's to an even more productive 2026!

Ready to build the future of scheduling