v2.0.21

Added

• Exposed AccountBalance.tokenDecimals
• Support for string parameters in Hbar.fromTinybars()
• Hbar.toBigNumber() which is a simple wrapper around Hbar.to(HbarUnit.Hbar)
• AccountBalance.toJSON()
• Support for maxBackoff, maxAttempts, retryHandler, and completionHandler in TopicMessageQuery
• Default logging behavior to TopicMessageQuery if an error handler or completion handler was not set

Fixed

• TopicMessageQuery retry handling; this should retry on more gRPC errors
• TopicMessageQuery max retry timeout; before this would could wait up to 4m with no feedback
• Missing @readonly tag on TokenInfo.tokenMemo
• Keystore failing to recognize keystores generated by v1 SDKs
• Errors caused by the use ?. and ?? within a node 12 context
• TopicMessageQuery