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BrowserStack launches Test Companion, agentic AI that brings Complete test automation into the IDE. DUBLIN, July 29, 2026 /PRNewswire/ - BrowserStack, the leading AI-native software testing platform, today announced Test Companion, agentic AI for test automation built into the IDE. Built for QA teams and automation engineers, it accelerates test authoring, execution, debugging, and maintenance across web and mobile applications. AI coding agents have made writing software much faster, but that speed isn't carrying through to releases. A 2026 NBER study found that AI coding agents increased commits by 180%, while releases rose by just 30%. Testing is part of this gap: coding agents like GitHub Copilot, Cursor, and Claude Code can generate test code, but they aren't purpose-built for the context, infrastructure and workflows required across the testing lifecycle. Test Companion closes that gap with a testing harness built into the IDE, working with a team's existing code, frameworks, and testing stack from day one, with no setup or context switching. * Complete test cycle in the IDE: generates test cases, authors and executes scripts, debugs failures, and works directly with browsers and devices, across functional, visual, accessibility, and API testing. * Grounded in real code and devices: understands existing automation frameworks page objects, helpers, and conventions, and validates on 30,000+ real devices and browsers. * Built for specialised testing workflows: uses custom skills and sub-agents for root-cause analysis, test healing and visual testing, with dedicated prompts, tools and orchestration for each. * Integrates with tools teams already use: adapts to Playwright, Selenium, Cypress, Appium, WebdriverIO, and TestNG, and integrates with Jira, test management, and reporting out of the box. * Built for enterprise-wide standardisation: gives QA teams a consistent testing harness with shared models, guardrails, governance and traceability, helping regulated teams maintain oversight of test coverage and agent actions. "Fifteen years of building for testing teams taught us that a test is never written and done. The application changes, the test breaks, and someone has to fix it. Any AI that only writes tests solves the easy part. Test Companion owns the full cycle, and that's the shift," said Nakul Aggarwal, CTO and co-founder of BrowserStack. Test Companion is the newest addition to BrowserStack's AI portfolio. In 2025 the company launched BrowserStack AI, a suite of 20+ agents built across the testing lifecycle, followed by the open-source BrowserStack MCP Server, which connects its testing platform to AI tools like GitHub Copilot, Cursor, and Claude. Test Companion extends that intelligence into the IDE, bringing agentic testing directly into existing workflows. More than 1,000 teams already use Test Companion to author, debug, and maintain tests up to 4x faster. It is available now and installs from the marketplace in VS Code, JetBrains, Cursor, and Antigravity. About BrowserStack BrowserStack is the leading software testing platform, powered by AI to help developers and QA teams deliver quality software at speed. Trusted by over 50,000 teams, including Amazon, Microsoft, and NVIDIA, BrowserStack powers more than three million tests every day across 21 global data centers. The platform gives teams instant access to over 30,000 real devices and browsers. Founded in 2011, BrowserStack is a privately held company backed by Accel, Bond, and Insight Partners. For more information, visit https://www.browserstack.com.

BrowserStack wins 2026 Top Rated Award from TrustRadius. BrowserStack is delighted to announce that BrowserStack has been recognized with the 2026 TrustRadius Top Rated Award. This marks its fourth consecutive win since 2023! With a trScore of 8.4 out of 10 and more than 260 verified reviews, BrowserStack continues to top the leaderboards across five key testing categories: * Accessibility Testing * Automation Testing * Cross-Browser Testing * Functional Testing * Test Management Supporting every stage of modern software testing. These categories represent the foundations of modern software quality. As development teams work to ship faster while meeting ever-higher expectations for user experience, robust testing across accessibility, functionality, compatibility, automation, and test workflows has become evermore important. BrowserStack is proud that teams around the world continue to choose BrowserStack as their trusted testing platform, helping them build, test, and deliver exceptional digital experiences with confidence. Advancing its vision for software quality. At BrowserStack, its vision is to be the testing platform for the internet. Every day, BrowserStack help power the digital economy by enabling teams to build quality, bug-free software at speed; the very software that powers businesses, connects communities, and shapes how people live and work. Recognition across these critical testing categories reinforces its commitment to helping teams deliver great software experiences, no matter what they're building. Powered by customer feedback. Across hundreds of reviews, customers consistently highlight BrowserStack's ease of use, extensive real-device coverage, reliability, and ability to help teams accelerate software delivery without compromising quality. Thank you to its customers. To everyone who took the time to share their experiences and feedback on TrustRadius: thank you. Your trust, support, and partnership continue to inspire BrowserStack to raise the bar for software testing and help teams everywhere build better software, faster. Check out the other 2026 Top Rated Winners on the TrustRadius blog.

A costly discovery misstep: Untimely damages evidence excluded. LinkedIn Facebook X The US Court of Appeals for the Fourth Circuit affirmed a district court's exclusion of damages evidence under Federal Rule of Civil Procedure 37(c)(1) and the resulting grant of summary judgment against the plaintiff on all claims. Deque Sys. Inc. v. BrowserStack, Inc., Case No. 25-1534 (4th Cir. June 5, 2026) (Agee, Traxler, Floyd, JJ.) Deque Systems develops software that helps businesses make websites accessible to users who have visual and hearing impairments. Deque sued competitor BrowserStack for copyright infringement, false advertising, breach of contract, and unjust enrichment, alleging that BrowserStack reverse-engineered Deque's software to develop a competing product and falsely advertised it as "5x faster" than Deque's flagship offering. Under the district court's scheduling order, initial disclosures were due on June 7, 2024; expert disclosures were due on August 9, 2024; and fact discovery closed on October 11, 2024. Although Deque timely served its Rule 26(a)(1) initial disclosures, it failed to provide a computation of damages as required by Rule 26(a)(1)(A)(iii). When BrowserStack later served an interrogatory seeking the categories and calculations of Deque's claimed damages, Deque again declined to provide a damages computation, stating only that it intended to seek all available damages and that its calculations remained incomplete. Deque also failed to serve a damages expert report by the August 2024 expert disclosure deadline. After retaining new counsel, Deque disclosed a $30 million damages calculation on October 8, 2024, just three days before the close of discovery. BrowserStack moved to exclude the damages evidence and sought summary judgment. The district court excluded Deque's damages evidence under Rule 37(c)(1), finding that Deque failed to comply with Rule 26's disclosure requirements. Because Deque could no longer prove damages and failed to establish entitlement to injunctive relief, the district court granted summary judgment in BrowserStack's favor on all claims. Deque appealed. The Fourth Circuit affirmed. The Court explained that Rule 37(c)(1) "gives teeth" to Rule 26's disclosure requirements by prohibiting a party from using information that was not properly disclosed during discovery. The Court found that Deque had "indisputably failed to comply" with Rule 26(a)'s damages disclosure requirements by failing to provide a damages computation in its initial disclosures, expert disclosures, or interrogatory responses. The Court rejected Deque's argument that its disclosure of damages in a rebuttal expert report three days before the close of discovery constituted a timely disclosure. Turning to the propriety of the sanction, the Fourth Circuit applied the five-factor test set forth in its 2003 Southern States Rack & Fixture, Inc. v. Sherwin-Williams Co. decision: * Surprise to the opposing party * Ability to cure the surprise * Disruption of trial * Importance of the evidence * Explanation for the nondisclosure The Fourth Circuit concluded that all five factors favored exclusion. BrowserStack was plainly surprised by Deque's $30 million damages claim, which was disclosed only days before discovery closed. Curing that surprise would have required reopening discovery and significantly delaying the proceedings. Although the damages evidence was important, Deque failed to offer any meaningful justification for its repeated failure to disclose a damages computation. The Fourth Circuit also affirmed summary judgment. Without admissible damages evidence, Deque could not create a genuine dispute regarding monetary relief. The Court further found that Deque had failed to present sufficient evidence to support injunctive relief. Accordingly, no triable issues remained for trial. Practice note: Rule 26 requires parties to provide a damages computation early in the case. Even where precise damages are not yet known, litigants should disclose a reasonable estimate based on available information and supplement those disclosures as discovery progresses. Waiting until the close of discovery to reveal a damages theory may result in exclusion of the evidence and, as this case demonstrates, can prove fatal to the entire action.