Update setup.py and CHANGELOG.md for 0.3.17 release

Author: davidplowman

CHANGELOG.md

@@ -6,6 +6,21 @@
 
 ### Changed
 
+## 0.3.17 Beta Release 16
+
+### Added
+
+* Pi 5 users can now request 48-bit RGB outputs (where each R, G and B sample is 16-bit).
+* Support for h.264 codec profiles.
+* DNG files can be written to ioBytes objects.
+* Persistent allocators added.
+* Timeout support waiting for asynchronous requests to complete.
+
+### Changed
+
+* FFmpeg thread queue size increased, to suppress warnings and improve behaviour.
+* Quality argument is respected properly by start_encoder().
+
 ## 0.3.16 Beta Release 15
 
 ### Added

setup.py

@@ -11,7 +11,7 @@
 
 setup(
     name='picamera2',
-    version='0.3.16',
+    version='0.3.17',
     description='The libcamera-based Python interface to Raspberry Pi cameras, based on the original Picamera library',
     long_description=long_description,
     long_description_content_type='text/markdown',