prepare v0.2.3 release (#1912)

Author: carllerche

tokio/CHANGELOG.md

@@ -1,3 +1,22 @@
+# 0.2.3 (December 6, 2019)
+
+### Added
+- read / write integers using `AsyncReadExt` and `AsyncWriteExt` (#1863).
+- `read_buf` / `write_buf` for reading / writing `Buf` / `BufMut` (#1881).
+- `TcpStream::poll_peek` - pollable API for performing TCP peek (#1864).
+- `sync::oneshot::error::TryRecvError` provides variants to detect the error
+  kind (#1874).
+- `LocalSet::block_on` accepts `!'static` task (#1882).
+- `task::JoinError` is now `Sync` (#1888).
+- impl conversions between `tokio::time::Instant` and
+  `std::time::Instant` (#1904).
+
+### Fixes
+- calling `spawn_blocking` after runtime shutdown (#1875).
+- `LocalSet` drop inifinite loop (#1892).
+- `LocalSet` hang under load (#1905).
+- improved documentation (#1865, #1866, #1868, #1874, #1876, #1911).
+
 # 0.2.2 (November 29, 2019)
 
 ### Fixes

tokio/Cargo.toml

@@ -8,12 +8,12 @@ name = "tokio"
 #   - README.md
 # - Update CHANGELOG.md.
 # - Create "v0.2.x" git tag.
-version = "0.2.2"
+version = "0.2.3"
 edition = "2018"
 authors = ["Tokio Contributors <[email protected]>"]
 license = "MIT"
 readme = "README.md"
-documentation = "https://docs.rs/tokio/0.2.2/tokio/"
+documentation = "https://docs.rs/tokio/0.2.3/tokio/"
 repository = "https://github.com/tokio-rs/tokio"
 homepage = "https://tokio.rs"
 description = """

tokio/src/lib.rs

@@ -1,4 +1,4 @@
-#![doc(html_root_url = "https://docs.rs/tokio/0.2.2")]
+#![doc(html_root_url = "https://docs.rs/tokio/0.2.3")]
 #![warn(
     missing_debug_implementations,
     missing_docs,