diff --git a/CHANGELOG.md b/CHANGELOG.md
index eda6038..3568abf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,56 @@ and this project adheres to [Semantic Versioning](https://book.async.rs/overview
 
 ## [Unreleased]
 
+# [0.99.12] - 2019-11-07
+
+[API Documentation](https://docs.rs/async-std/0.99.12/async-std)
+
+This patch upgrades us to `futures` 0.3, support for `async/await` on Rust
+Stable, performance improvements, and brand new module-level documentation.
+
+## Added
+
+- Added `Future::flatten` as "unstable".
+- Added `Future::race` as "unstable" (replaces `future::select!`).
+- Added `Future::try_race` as "unstable" (replaces `future::try_select!`).
+- Added `Stderr::lock` as "unstable".
+- Added `Stdin::lock` as "unstable".
+- Added `Stdout::lock` as "unstable".
+- Added `Stream::copied` as "unstable".
+- Added `Stream::eq` as "unstable".
+- Added `Stream::max_by_key` as "unstable".
+- Added `Stream::min` as "unstable".
+- Added `Stream::ne` as "unstable".
+- Added `Stream::position` as "unstable".
+- Added `StreamExt` and `FutureExt` as enumerable in the `prelude`.
+- Added `TcpListener` and `TcpStream` integration tests.
+- Added `stream::from_iter`.
+- Added `sync::WakerSet` for internal use.
+- Added an example to handle both `IP v4` and `IP v6` connections.
+- Added the `default` Cargo feature.
+- Added the `attributes` Cargo feature.
+- Added the `std` Cargo feature.
+
+## Changed
+
+- Fixed a bug in the blocking threadpool where it didn't spawn more than one thread.
+- Fixed a bug with `Stream::merge` where sometimes it ended too soon.
+- Fixed a bug with our GitHub actions setup.
+- Fixed an issue where our channels could spuriously deadlock.
+- Refactored the `task` module.
+- Removed a deprecated GitHub action.
+- Replaced `futures-preview` with `futures`.
+- Replaced `lazy_static` with `once_cell`.
+- Replaced all uses of `VecDequeue` in the examples with `stream::from_iter`.
+- Simplified `sync::RwLock` using the internal `sync::WakerSet` type.
+- Updated the `path` submodule documentation to match std.
+- Updated the mod-level documentation to match std.
+
+## Removed
+
+- Removed `future::select!` (replaced by `Future::race`).
+- Removed `future::try_select!` (replaced by `Future::try_race`).
+
 # [0.99.11] - 2019-10-29
 
 This patch introduces `async_std::sync::channel`, a novel asynchronous port of
diff --git a/Cargo.toml b/Cargo.toml
index 7c860c0..48b7d0b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "async-std"
-version = "0.99.11"
+version = "0.99.12"
 authors = [
   "Stjepan Glavina <stjepang@gmail.com>",
   "Yoshua Wuyts <yoshuawuyts@gmail.com>",