• [ENHANCEMENT] Improved performance of inhibition rules when using Equal labels. #4119
• [ENHANCEMENT] Improve the documentation on escaping in UTF-8 matchers. #4157
• [ENHANCEMENT] Update alertmanager_config_hash metric help to document the hash is not cryptographically strong. #4210
• [BUGFIX] Fix panic in amtool when using --verbose. #4218
• [BUGFIX] Fix templating of channel field for Rocket.Chat. #4220
• [BUGFIX] Fix rocketchat_configs written as rocket_configs in docs. #4217
• [BUGFIX] Fix usage for --enable-feature flag. #4214
• [BUGFIX] Trim whitespace from OpsGenie API Key. #4195
• [BUGFIX] Fix Jira project template not rendered when searching for existing issues. #4291
• [BUGFIX] Fix subtle bug in JSON/YAML encoding of inhibition rules that would cause Equal labels to be omitted. #4292
• [BUGFIX] Fix header for slack_configs in docs. #4247
• [BUGFIX] Fix weight and wrap of Microsoft Teams notifications. #4222
• [BUGFIX] Fix format of YAML examples in configuration.md. #4207