Editorial on release notes

Author: benjie

RELEASE_NOTES.md

@@ -19,14 +19,19 @@ to make sure the system as a whole remains consistent.
 Read more:
 [Worker Pro Migration](https://worker.graphile.org/docs/pro/migration).
 
-## Pending
-
-- BREAKING: Jobs and queues are now `locked_by` their `WorkerPool`'s id rather
-  than the `workerId`. Be sure to upgrade
-  [Worker Pro](https://worker.graphile.org/docs/pro) at the same time if you're
-  using it!
-- BREAKING: Graphile Worker Pro users will need to update to 0.2.x at the same
-  time as updating Graphile Worker.
+## v0.17.0
+
+Major performance enhancements in this release, but they're opt-in!
+
+- BREAKING: jobs and queues are now `locked_by` their `WorkerPool`'s id rather
+  than the `workerId`.
+- BREAKING: Worker Pro users need to update to `@graphile-pro/worker@0.2.x` at
+  the same time as updating Graphile Worker to this release (due to the above
+  breaking change).
+- BREAKING: We'll now warn you if you haven't installed error handlers on the
+  pool, and will only install them ourself if needed.
+- BREAKING: Fixes bug where CLI defaults override `graphile.config.js` settings
+  (by removing CLI defaults).
 - New **batching of job completion** can be enabled by setting
   `preset.worker.completeJobBatchDelay` and `preset.worker.failJobBatchDelay` to
   a number `0` or higher. This can significantly reduce load on the database, at
@@ -61,10 +66,6 @@ Read more:
   clearer that it's for use in one-off locations (some felt the "quick" referred
   to the speed it executed, rather than the amount of effort required from the
   programmer).
-- We'll now warn you if you haven't installed error handlers on the pool, and
-  will only install them ourself if needed.
-- Fixes bug where CLI defaults override `graphile.config.js` settings (by
-  removing CLI defaults).
 - Fix bug where executable tasks had their stdout/stderr ignored; this is now
   output via logging (thanks @wineTGH).
 - Fix race condition when multiple workers attempt to initialise the database at