regression
7 articles
-
Visual Regression Testing: Tools and Approaches in 2026
Functional tests are green but the layout broke: a button shifted off-screen, text is clipped, the theme is broken. That's what visual regression testing catches. We cover what it is, why raw screenshots flake, and the 2026 tools: Playwright toHaveScreenshot, Lost Pixel, Percy, Applitools Eyes, Chromatic — a matrix and who should pick what.
-
Android fragmentation for a mobile game — what MIUI, One UI, EMUI, and Oppo/Vivo battery savers break
«Works on Pixel, crashes on Xiaomi, different bugs on Samsung, no Google Play on Huawei.» Complete 2026 fragmentation guide: 6 OEMs with their quirks, what breaks in games, the minimum QA lab, a checklist, and bug-report format.
-
OWASP API Security Top 10 for QA — a guide with test cases
Most QAs know SQL injection and XSS. But 90% of vulnerabilities in modern products live in APIs, and the OWASP API Top 10 2023 is a separate list that QA courses don't cover. All 10 threats with test cases, curl snippets, and tools.
-
AI and auto-healing locators in autotests — what actually works in 2026
The most expensive part of a mature autotest suite is locator maintenance. A whole class of products was built around that pain under the «AI-powered» label. 8 sections: what's under the hood, Healenium vs Mabl/testRigor/Functionize, where LLMs actually work, risks, and a rollout plan.
-
Accessibility checklist for a mobile app in 2026
On 28 June 2025 the EU's European Accessibility Act came into force — for b2c apps a11y is now a legal requirement. 11 sections of a QA checklist: VoiceOver/TalkBack, Dynamic Type, contrast, touch targets, semantics, automation.
-
Cloud Save in a mobile game — a testing checklist
A player finished 30 levels on iPad, opens iPhone — progress is gone. The most reputation-expensive part of a mobile game. 9 sections and a QA checklist for cloud save: APIs, conflicts, cross-platform, corruption, recovery.
-
Testing on a bad network — 8 scenarios and tools
Most QA checklists cover only «internet works» and «Airplane mode». Real users live between those. 8 network-degradation scenarios with tools and acceptance tests.