Create 21.1.0 release (#499)

* Create 21.1.0 release

* Add missing step

.buildconfig.yml

@@ -1,4 +1,4 @@
-libraryVersion: 22.0.0-SNAPSHOT
+libraryVersion: 21.1.0
 groupId: org.mozilla.telemetry
 projects:
   glean-core:

CHANGELOG.md

@@ -1,12 +1,22 @@
 # Unreleased changes
 
-[Full changelog](https://github.com/mozilla/glean/compare/v21.0.0...master)
+[Full changelog](https://github.com/mozilla/glean/compare/v21.1.0...master)
+
+# v21.1.0 (2019-11-20)
+
+[Full changelog](https://github.com/mozilla/glean/compare/v21.0.0...v21.1.0)
 
 * Android:
 
   * Two new metrics were added to investigate sending of metrics and baseline pings.
     See [bug 1597980](https://bugzilla.mozilla.org/show_bug.cgi?id=1597980) for more information.
 
+  * Glean's two lifecycle observers were refactored to avoid the use of reflection.
+
+* All platforms:
+
+  * Timespans will now not record an error if stopping after setting upload enabled to false.
+
 # v21.0.0 (2019-11-18)
 
 [Full changelog](https://github.com/mozilla/glean/compare/v20.2.0...v21.0.0)
@@ -34,7 +44,7 @@
 * The version of Glean is included in the Glean Gradle plugin.
 
 * When constructing a ping, events are now sorted by their timestamp. In practice,
-  it rarely happens that event timestamps are unsorted to begin with, but this 
+  it rarely happens that event timestamps are unsorted to begin with, but this
   guards against a potential race condition and incorrect usage of the lower-level
   API.
 

docs/dev/cut-a-new-release.md

@@ -25,6 +25,7 @@ These are the steps needed to cut a new release from latest master.
     * Kotlin package: Bump `libraryVersion` in the top-level [.buildconfig.yml](https://github.com/mozilla/glean/blob/master/.buildconfig.yml) file.
     * Gradle plugin: Bump `project.ext.gleanVersion` in [`GleanGradlePlugin.groovy`](https://github.com/mozilla/glean/blob/master/gradle-plugin/src/main/groovy/mozilla/telemetry/glean-gradle-plugin/GleanGradlePlugin.groovy).
     * Be sure you're following semver, and if in doubt, ask.
+    * Run `make build` to make sure the `Cargo.lock` file is updated.
 3. Land the commits that perform the steps above. This takes a PR, typically, because of branch protection on master.
 4. Cut the actual release.
     1. Click "Releases", and then "Draft a New Release" in the github UI.

glean-core/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "glean-core"
-version = "22.0.0-alpha.1"
+version = "21.1.0"
 authors = ["Jan-Erik Rediger <[email protected]>", "The Glean Team <[email protected]>"]
 description = "A modern Telemetry library"
 repository = "https://github.com/mozilla/glean"

glean-core/ffi/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "glean-ffi"
-version = "22.0.0-alpha.1"
+version = "21.1.0"
 authors = ["Jan-Erik Rediger <[email protected]>", "The Glean Team <[email protected]>"]
 description = "FFI layer for Glean, a modern Telemetry library"
 repository = "https://github.com/mozilla/glean"
@@ -34,7 +34,7 @@ uuid = { version = "0.8.1", features = ["v4"] }
 
 [dependencies.glean-core]
 path = ".."
-version = "22.0.0-alpha.1"
+version = "21.1.0"
 
 [target.'cfg(target_os = "android")'.dependencies]
 android_logger = { version = "0.8.5", default-features = false }

gradle-plugin/src/main/groovy/mozilla/telemetry/glean-gradle-plugin/GleanGradlePlugin.groovy

@@ -367,7 +367,7 @@ subprocess.check_call([
     }
 
     void apply(Project project) {
-        project.ext.glean_version = "22.0.0-SNAPSHOT"
+        project.ext.glean_version = "21.1.0"
 
         File condaDir = setupPythonEnvironmentTasks(project)
         project.ext.set("gleanCondaDir", condaDir)