Changelog: data and formula changes
4 dated entries; current formula version 1.0.0.
- : Third pass: rate sources added for the United States, India, the Philippines and Vietnam and overhead sources for the United Kingdom, Germany, Poland and the recruiting fee; new pages: Manual QA Engineer by country, middle Manual QA Engineer by country, the hourly model page, and outsourcing vs in-house for the United Kingdom, Germany, Poland and the United States.
- : Second pass: provider directory facts, registry confirmations and additional rate sources for Germany, Poland and the United Kingdom; sources verified on 2026-10-20.
- : Formula 1.0.0: First published version: weighted percentiles, outlier rule, confidence grades A to C, calculator and in-house comparison, as on the formula page.
- : First data collection: FX for 2026 Q4, overhead sources for 24 countries, salary and rate sources for 24 countries; sources verified on 2026-10-18.