For people who have existing Lambda functions using the deprecated Node 0.10 runtime, I've added a new 'runtime' option to allow the update of an existing Lambda function to use a different runtime, which for Node functions will usually be "nodejs4.3".
For people who have existing Lambda functions using the deprecated Node 0.10 runtime, I've added a new 'runtime' option to allow the update of an existing Lambda function to use a different runtime, which for Node functions will usually be "nodejs4.3".