Changelog

• This release resolves CVE-2021-28169 and CVE-2021-34428
• #6099 Cipher preference may break SNI if certificates have different key types
• #6186 Add Null Protection on Log / Logger
• #6205 OpenIdAuthenticator may use incorrect redirect
• #6208 HTTP/2 max local stream count exceeded
• #6227 Better resolve race between AsyncListener.onTimeout and AsyncContext.dispatch
• #6254 Total timeout not enforced for queued requests
• #6263 Review URI encoding in ConcatServlet & WelcomeFilter
• #6277 Better handle exceptions thrown from session destroy listener
• #6280 Copy ServletHolder class/instance properly during startWebapp