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See discussion in the issue for context and possible approaches. When invoking update() inside an event handler, such as onHover, `options.hover.animationDuration` was not being respected. Given that some use cases may require additional animation properties for the manual update call, this commit changes that method signature to accept a configuration object. This object provides backwards compatibility with duration and lazy properties, and also introduces the easing property so that the event animation is different from the global one. Add tests that guarantee that when update is called manually with arguments, it properly builds the _bufferedRequest or calls render with the proper arguments. It includes test cases for when update is called with legacy arguments (duration and lazy) instead of the config object. .update() documentation was previously updated but .render() was left out. Since the backwards compatible change was also made to render(), this commit adds documentation for it.