v3.1.0

What's Changed

• Refactor by @Kanahiro in #57
• allow to toggle parsing mode by checkbox by @Kanahiro in #58
• simpify by @Kanahiro in #59
• aggregate: set stop circle radius by count by @Kanahiro in #60
• Radius by frequency by @Kanahiro in #61
• 3.1.0 by @Kanahiro in #62

Full Changelog: v3.0.1...v3.1.0