package:charcode from dev_dependencies.package:charcode.<3.0.0, and adjust other dependencies.Require Dart SDK 2.0.0-dev.17.0 or greater.
A number of strong-mode fixes.
chunkedCoding codec. It had been producing invalid output and rejecting valid input.chunkedCoding, a Codec that supports encoding and decoding the chunked transfer coding.string_scanner 1.0.0.All deprecated APIs have been removed. No new APIs have been added. Packages that would use 3.0.0 as a lower bound should use 2.2.0 instead—for example, http_parser: ">=2.2.0 <4.0.0".
Fix all strong-mode warnings.
crypto 1.0.0.WebSocketChannel has been moved to the web_socket_channel package. The implementation here is now deprecated.Added WebSocketChannel, an implementation of StreamChannel that's backed by a WebSocket.
Deprecated CompatibleWebSocket in favor of WebSocketChannel.
DataUri class. It‘s redundant with the Uri.data getter that’s coming in Dart 1.14, and the DataUri.data field in particular was an invalid override of that field.MediaType now uses a case-insensitive map for its parameters and its type and subtype fields are now always lowercase.This is 1.0.0 because the API is stable—there are no breaking changes.
Added an AuthenticationChallenge class for parsing and representing the value of WWW-Authenticate and related headers.
Added a CaseInsensitiveMap class for representing case-insensitive HTTP values.
dart:io WebSocket code.collection package.string_scanner version constraint.CompatibleWebSocket, for platform- and API-independent support for the WebSocket API.