• [FEATURE] Add AWS SNS receiver. #2615
• [FEATURE] amtool: add new template render command. #2538
• [ENHANCEMENT] amtool: Add ability to skip TLS verification for amtool. #2663
• [ENHANCEMENT] amtool: Detect version drift and warn users. #2672
• [BUGFIX] Time-based muting: Ensure time interval comparisons are in UTC. #2648
• [BUGFIX] amtool: Fix empty isEqual when talking to incompatible alertmanager. #2668