v0.6.1 - Apus 1

Apus is a stabilisation release. This forms part of our alpha network release milestone.

We have been hard at work on improving a number of features across the whole of the ledger, etch and machine learning library. The following is a brief overview of the updates that have been incorporated into this release:

Core

• Initial bloom filter implementation for transaction duplicate detection
• Telemetry support added to core HTTP interface
• Overhaul of ledger configuration system.
• HTTP interface now has a basic schema support
• Distributed random beacon feature and performance improvements
• Addition of an optional reliable broadcast layer over the P2P
• Performance improvements in "Muddle" P2P handling of broadcast messages
• Various fixes and performance improvements

Etch

• vm-lang now is called etch (finally!)
• Language tests
• Allow Structured data to be used as a serialisation object
• Various fixes and performance improvements
• Fixedpoint64 set as default math type in vm modules
• CNN crypto price prediction example implemented
• ML graph state dictionaries can now be written to and read from State

Math Library

• NaN/Infinity support implemented for FixedPoint
• UInt<> class reworked, faster implementation (now uses uint64_t as base type instead of byte)
• MAE loss metric implemented
• Minor refactoring

ML Library

• Example implementation: CNN based Crypto price prediction model
• Example implementation: graph based word2vec
• MinMaxScaler implemented for data normalisation
• Criterion functions reworked to be Ops
• Performance improvements from converting slices to views in various places
• Removal of python bindings