Changelog

What's new in Check Studio

Every release, every fix, every improvement — documented here. We ship fast and we ship often.

v3.1.1Patch
April 22, 2026
Fixed

Fixed an edge case where resilient selector fallback strategies would not trigger on elements inside iframes with cross-origin restrictions

Fixed

Resolved a display issue in the analytics dashboard where flakiness trend charts rendered incorrectly on Safari 17

Fixed

Fixed Azure DevOps webhook signature validation failing for organizations with custom domain routing

Improved

Reduced cold-start time for parallel execution workers by approximately 40%

Improved

CLI error messages now include direct links to relevant documentation sections

v3.1.0Feature Release
April 8, 2026
New

Test impact analysis — automatically identifies which tests are affected by a given code change, so you only run what matters

New

Slack and Microsoft Teams rich notifications — inline pass/fail summaries, flakiness alerts, and one-click re-run from chat

New

Custom test environments via environment variables UI — no more editing YAML files to switch configs

Improved

Root cause analysis now groups failures by component, not just by error message — significantly reduces noise in large suites

Improved

Visual regression baseline management redesigned — approve, reject, and update baselines in bulk from a single view

Fixed

Fixed an issue where scheduled reports would skip delivery if the previous run was still in progress

v3.0.0Major Release
March 3, 2026
New

Check Studio 3.0 — rebuilt execution engine with native support for Playwright 1.42, including full component testing and API mocking

New

Governance Hub — centralized policy management for test standards, coverage thresholds, and promotion gates across all projects

New

Test Advisor — proactively surfaces gaps in test coverage based on recent code changes and historical failure patterns

New

Mobile testing (beta) — run Playwright tests against real iOS and Android devices via cloud device farm integration

New

Accessibility testing built-in — automated WCAG 2.1 AA checks on every test run, with annotated violation reports

Improved

Dashboard completely redesigned — faster load times, customizable widgets, and a new team health overview

Improved

Parallel execution now scales to 250 concurrent workers

Fixed

Resolved long-standing issue with test history pagination returning inconsistent results for suites with more than 10,000 runs

v2.9.0Feature Release
January 20, 2026
New

Branch-level test isolation — run separate test suites per feature branch with independent history and flakiness tracking

New

Linear integration — test failures automatically create and update Linear issues with full context and stack traces

New

API contract testing — validate OpenAPI specs against live endpoints on every CI run

Improved

Resilient selector fallback now handles dynamic attribute changes (e.g. auto-generated IDs) more reliably

Fixed

Fixed an issue where test retries were counted as separate runs in the flakiness score calculation

v2.8.1Patch
November 12, 2025
Fixed

Fixed visual regression baseline comparison failing for screenshots wider than 2560px

Fixed

Resolved an issue where the test generator would occasionally produce duplicate assertion steps

Improved

Webhook retry logic now uses exponential backoff to reduce noise during downstream outages

v2.8.0Major Release
April 15, 2025
New

Automation Engine: Playwright test templates with pre-built user flow scaffolding

New

Visual regression detection with automated diff analysis — distinguishes real regressions from rendering noise

New

Multi-project sprint oversight dashboard — manage testing across all projects from one view

Improved

Parallel execution engine now supports up to 100 concurrent workers (up from 50)

Improved

Resilient selector accuracy improved with new DOM context model

Fixed

Fixed race condition in CI/CD webhook delivery that caused duplicate notifications

v2.7.2Patch
March 28, 2025
Fixed

Fixed flakiness score calculation for tests with fewer than 10 historical runs

Fixed

Resolved SAML SSO login loop for Okta integrations with custom attribute mappings

Improved

Reduced test result ingestion latency significantly

v2.7.0Feature Release
March 10, 2025
New

Environment promotion gates — automated quality gates across Dev, SIT, UAT, and Staging

New

ALM integration: Jira, Azure DevOps, and ServiceNow now sync test results and promotion status

New

User story completeness scoring — track AC, test, mock, and doc coverage per story

Improved

GitHub Actions integration now supports matrix builds with automatic result aggregation

Fixed

Fixed timezone handling in scheduled report delivery for non-UTC organizations

v2.6.0Feature Release
February 18, 2025
New

Test coverage identification — line, function, and branch coverage per module with visual heatmaps

New

Release readiness score — weighted quality score combining pass rate, coverage, stability, and performance

New

Scheduled reports — weekly engineering health digests to Slack or email

Improved

Flakiness detection model retrained on expanded dataset — fewer false positives

v2.5.1Patch
January 30, 2025
Fixed

Fixed selector healing for shadow DOM elements in Web Components

Fixed

Resolved memory leak in long-running parallel execution sessions

Improved

CLI startup time reduced significantly

v2.5.0Feature Release
January 14, 2025
New

Granular RBAC — control permissions down to the individual test level

New

Audit log export to SIEM (Splunk, Datadog, Elastic)

New

On-premise deployment option now generally available

Improved

Dashboard load time improved with incremental data fetching