21.3.0 (2023-09-19)

Features

• implement Browser.connected (#10927) (a4345a4)
• implement BrowserContext.closed (#10928) (2292078)
• implement improved Drag n' Drop APIs (#10651) (9342bac)
• implement typed events (#10889) (9b6f1de)
• roll to Chrome 117.0.5938.62 (r1181205) (#10893) (4b8d20d)

Bug Fixes

• fix line/column number in errors (#10926) (a0e57f7)
• handle frame manager init without unhandled rejection (#10902) (ea14834)
• remove explicit resource management from types (#10918) (a1b1bff)
• roll to Chrome 117.0.5938.88 (r1181205) (#10920) (b7bcc9a)