Sourced from selenium-webdriver's releases.

Selenium 4.48.0

Detailed Changelogs by Component

Java     |     Python     |     DotNet     |     Ruby     |     JavaScript

What's Changed

• [js] Normalize empty custom locator results by @​munawiki in SeleniumHQ/selenium#17851
• [py]: fix W3C capabilities built from a list of options (create_matches) by @​navin772 in SeleniumHQ/selenium#17897
• [rb] add low-level BiDi protocol integration specs by @​titusfortner in SeleniumHQ/selenium#17878
• Fix badge for CI build on the default branch by @​nvborisenko in SeleniumHQ/selenium#17901
• [py] Fix broken reStructuredText link in docs by @​cgoldberg in SeleniumHQ/selenium#17902
• [grid] stop forwarding se:remoteUrl past the Node that consumes it by @​titusfortner in SeleniumHQ/selenium#17908
• [grid] Forward file upload/download for Kubernetes, Docker and relay sessions by @​VietND96 in SeleniumHQ/selenium#17914
• [build] reduce github cache churn and aggressively prune CodeQL caches by @​titusfortner in SeleniumHQ/selenium#17909
• [java] fix two flaky BiDi tests that left timing-dependent state behind by @​titusfortner in SeleniumHQ/selenium#17918
• [java] Add warn annotation for undeclared field while JSON coercion by @​pujagani in SeleniumHQ/selenium#17917
• [py] temporarily disable nightly TestPyPI publishing by @​titusfortner in SeleniumHQ/selenium#17920
• [rb] fix Safari test failures by @​titusfortner in SeleniumHQ/selenium#17922
• [build] fix the issues that caused the release workflow to fail during last release by @​titusfortner in SeleniumHQ/selenium#17921
• Revert "[py] temporarily disable nightly TestPyPI publishing (#17920)" by @​diemol in SeleniumHQ/selenium#17924
• [rb] fix silent hang on oversized WebSocket frames by @​aguspe in SeleniumHQ/selenium#17655
• [js] Ensure BiDi is not exposed on Driver by @​pujagani in SeleniumHQ/selenium#17926
• [docs] charter: link the accepted BiDi support boundary record by @​AutomatedTester in SeleniumHQ/selenium#17928
• Honour the DO_NOT_TRACK env var by @​shs96c in SeleniumHQ/selenium#17931
• [build] record flaky tests on trunk and report weekly offenders to Slack by @​titusfortner in SeleniumHQ/selenium#17930
• [build] ignore .bazelbsp/ IDE-generated directory by @​diemol in SeleniumHQ/selenium#17932
• [adr] Install browser extensions from the driver directly by @​titusfortner in SeleniumHQ/selenium#17817
• [py] generate the internal BiDi protocol layer from the shared binding-neutral schema by @​titusfortner in SeleniumHQ/selenium#17761
• [rb] always reject a missing required inbound BiDi field by @​titusfortner in SeleniumHQ/selenium#17936
• [build] make Java and .NET release reruns pass when already published by @​titusfortner in SeleniumHQ/selenium#17935
• [build] Move dependency updates into a weekly workflow by @​titusfortner in SeleniumHQ/selenium#17934
• [rb] accept a whole-valued float for an integer BiDi field by @​titusfortner in SeleniumHQ/selenium#17939
• [build] unlock trunk once the release finishes writing to it by @​titusfortner in SeleniumHQ/selenium#17938
• [js] Add serialization and domain layer by @​pujagani in SeleniumHQ/selenium#17927
• [build] stop updating browsers and CDP during release preparation by @​titusfortner in SeleniumHQ/selenium#17940
• [py] update new BiDi layer generation to conform to latest proposed ADR by @​titusfortner in SeleniumHQ/selenium#17942
• [dotnet] [bidi] Throw in case of unknown discriminator by @​nvborisenko in SeleniumHQ/selenium#17948
• [rb] reject an inbound BiDi scalar outside its union's declared arms by @​titusfortner in SeleniumHQ/selenium#17947
• [build] alert Slack when a CDP update lands on trunk by @​titusfortner in SeleniumHQ/selenium#17950
• [js][bidi] Add BiDi connection-level event subscription by @​pujagani in SeleniumHQ/selenium#17946
• [dotnet] [bidi] SetMediaFeaturesOverride command in Emulation module by @​nvborisenko in SeleniumHQ/selenium#17953

New Contributors

• @​munawiki made their first contribution in SeleniumHQ/selenium#17851

Full Changelog: https://github.com/SeleniumHQ/selenium/compare/selenium-4.47.0...selenium-4.48.0

Sourced from selenium-webdriver's changelog.

4.48.0 (2026-08-27)

• Support CDP versions: v150, v151, v152
• add low-level BiDi protocol integration specs (#17878)
• [build] Automated Browser Version Update (major) with CDP (#17910)
• fix silent hang on oversized WebSocket frames (#17655)
• always reject a missing required inbound BiDi field (#17936)
• accept a whole-valued float for an integer BiDi field (#17939)
• reject an inbound BiDi scalar outside its union's declared arms (#17947)

• 27f5213 [build] Prepare for release of selenium-4.48.0 (#17956)
• 7bfaedb [rb] reject an inbound BiDi scalar outside its union's declared arms (#17947)
• 6df5706 [rb] accept a whole-valued float for an integer BiDi field (#17939)
• 1dd3004 [rb] always reject a missing required inbound BiDi field (#17936)
• eb28a14 [rb] fix silent hang on oversized WebSocket frames (#17655)
• 194545f [rb] fix Safari test failures (#17922)
• 3e38711 [build] Automated Browser Version Update (major) with CDP (#17910)
• 0003281 [rb] add low-level BiDi protocol integration specs (#17878)
• b4b73af [build] Update lockfiles for nightly versions
• 1ed71ed [build] Reset versions to nightly after selenium-4.47.0 release
• See full diff in compare view

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