Do a breaking version bump, yank 0.49.3

Fixes #1587
diff --git a/CHANGELOG.md b/CHANGELOG.md
index fb6e787..caef640 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,13 +9,17 @@
   - [Removed](#removed)
   - [Fixed](#fixed)
   - [Security](#security)
+- [0.50.0](#0500)
+  - [Added](#added-1)
+- [0.49.3](#0493)
+  - [Added](#added-2)
 - [0.49.2](#0492)
   - [Changed](#changed-1)
 - [0.49.1](#0491)
   - [Fixed](#fixed-1)
   - [Changed](#changed-2)
 - [0.49.0](#0490)
-  - [Added](#added-1)
+  - [Added](#added-3)
   - [Fixed](#fixed-2)
   - [Changed](#changed-3)
 - [0.48.1](#0481)
@@ -34,14 +38,14 @@
   - [Changed](#changed-7)
   - [Fixed](#fixed-7)
 - [0.33.1 .. 0.46.0](#0331--0460)
-  - [Added](#added-2)
+  - [Added](#added-4)
   - [Removed](#removed-1)
   - [Changed](#changed-8)
   - [Fixed](#fixed-8)
 - [0.33.1](#0331)
   - [Fixed](#fixed-9)
 - [0.33.0](#0330)
-  - [Added](#added-3)
+  - [Added](#added-5)
   - [Changed](#changed-9)
   - [Deprecated](#deprecated-1)
   - [Removed](#removed-2)
@@ -52,22 +56,22 @@
 - [0.32.1](#0321)
   - [Fixed](#fixed-12)
 - [0.32.0](#0320)
-  - [Added](#added-4)
+  - [Added](#added-6)
   - [Changed](#changed-10)
   - [Fixed](#fixed-13)
 - [0.31.0](#0310)
-  - [Added](#added-5)
+  - [Added](#added-7)
   - [Changed](#changed-11)
   - [Deprecated](#deprecated-2)
   - [Removed](#removed-3)
   - [Fixed](#fixed-14)
 - [0.30.0](#0300)
-  - [Added](#added-6)
+  - [Added](#added-8)
   - [Changed](#changed-12)
   - [Deprecated](#deprecated-3)
   - [Fixed](#fixed-15)
 - [0.29.0](#0290)
-  - [Added](#added-7)
+  - [Added](#added-9)
   - [Changed](#changed-13)
   - [Fixed](#fixed-16)
 
@@ -105,9 +109,31 @@
 
 --------------------------------------------------------------------------------
 
+# 0.50.0
+
+Released 2019/07/01.
+
+## Added
+
+* Fixed pointers to Objective C blocks [#1582][].
+
+* Various bindgen auto-generated types are now constructible in `const fn`
+  contexts [#1571][]
+
+* It is possible to generate `#[non_exhaustive]` enums for rust nightly targets.
+  [#1575][]
+
+* It is possible to avoid building clap now if you're using bindgen as
+  a library. [#1581][].
+
+[#1571]: https://github.com/rust-lang/rust-bindgen/issues/1571
+[#1575]: https://github.com/rust-lang/rust-bindgen/issues/1575
+[#1581]: https://github.com/rust-lang/rust-bindgen/issues/1581
+[#1582]: https://github.com/rust-lang/rust-bindgen/issues/1582
+
 # 0.49.3
 
-Released 2019/06/25
+Released 2019/06/25. **YANKED**
 
 ## Added
 
diff --git a/Cargo.lock b/Cargo.lock
index 1e3dd61..9b5eec6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -49,7 +49,7 @@
 
 [[package]]
 name = "bindgen"
-version = "0.49.3"
+version = "0.50.0"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "cexpr 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index fc167fc..0e27441 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@
 repository = "https://github.com/rust-lang/rust-bindgen"
 documentation = "https://docs.rs/bindgen"
 homepage = "https://rust-lang.github.io/rust-bindgen/"
-version = "0.49.3"
+version = "0.50.0"
 build = "build.rs"
 
 include = [
diff --git a/book/src/tutorial-1.md b/book/src/tutorial-1.md
index c5f497a..8a10a86 100644
--- a/book/src/tutorial-1.md
+++ b/book/src/tutorial-1.md
@@ -4,12 +4,12 @@
 the `[build-dependencies]` section of our crate's `Cargo.toml` file.
 
 Please always use the latest version of `bindgen`, it has the most fixes and
-best compatibility. At the time of writing the latest bindgen is `0.49.3`, but
+best compatibility. At the time of writing the latest bindgen is `0.50.0`, but
 you can always check [the bindgen page of
 crates.io](https://crates.io/crates/bindgen) to verify the latest version if
 you're unsure.
 
 ```toml
 [build-dependencies]
-bindgen = "0.49"
+bindgen = "0.50"
 ```