• [CHANGE] Python 2.6 is no longer supported. #592
• [CHANGE] The prometheus_multiproc_dir environment variable is deprecated in favor of PROMETHEUS_MULTIPROC_DIR. #624
• [FEATURE] Follow redirects when pushing to Pushgateway using passthrough_redirect_handler. #622
• [FEATURE] Metrics support a clear() method to remove all children. #642
• [ENHANCEMENT] Tag support in GraphiteBridge. #618