- Removed all Opera/Presto support from the codebase, docs and README, making it a breaking change for users relying on that browser.
- Implemented W3C‑compliant element serialization (element‑6066‑11e4‑a52e‑4f735466cecf) across Java, Python, Ruby, .NET and FirefoxDriver, enabling handling of both legacy and new element keys.
- Enhanced Chrome.Options to support all documented ChromeDriver capabilities and applied numerous bug fixes and documentation updates.