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CHANGELOG.md

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Version with a major version number of 0 are developer pre-releases. Unless otherwise stated, pre-release versions are not backwards-compatible with prior versions for storage or network transmission, so they must be used with data persisted using the same version, and other clones of the same version.

v0.8

  • Query usability improvements: more intuitive delete-where & vocabulary references
  • API support for native RDFJS Dataset Source and queries using SPARQL algebra, for projects using RDF natively.
  • Engine performance improvements, including faster @describe queries on larger datasets.
  • API support for back-pressuring read results. This better supports asynchronous results consumers, such as agents that update remote data sinks like databases.
  • Experimental support for whole-domain read/write access control, with users registered in the domain data.

v0.7

  • Protocol support for journal compaction, allowing much-reduced storage costs with compaction and truncation strategies. A 'balanced' journaling strategy with simple options is the default for the Javascript engine.
  • Socket.io remotes added for apps with live web servers.

v0.6

  • Expanded json-rql support: @construct, @filter (with operators) and @values.
  • #69 List updates are given using the @list key and indexed-object notation, with explicit slots [breaking].
  • Performance improvements to all operations by use of synchronous JSON-LD compaction and expansion.
  • WebRTC support for the Ably remotes engine [experimental].

v0.5

This version includes an overhaul of the experimental Constraints API and a prototype implementation of multi-collaborator editable Lists.

This version is backwards-compatible with previous versions for network format but not storage format.

v0.4

This version introduces a new pattern for reads and writes to the clone, that better represents clone data state immutability guarantees, without relying on the Javascript runtime behaviour. See the concurrency documentation.

v0.3

This version includes some improvements to how m-ld stores and transmits changes, which drops the bandwidth overhead considerably for transactions that impact more data. The storage is backwards-compatible, but the messaging is not, so you need to ensure that if any clone uses the v0.3 engine, all the other clones do too.