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Release notes

This page contains release notes for the SDK.

HEAD — ongoing

  • [DAML Stdlib] Added the NumericScale typeclass, which improves the type inference for Numeric literals, and helps catch the creation of out-of-bound Numerics earlier in the compilation process.
  • [DAML Triggers] emitCommands now accepts an additional argument that allows you to mark contracts as pending. Those contracts will be automatically filtered from the result of getContracts until we receive the corresponding completion/transaction.

- [Navigator] Fixed a bug where Navigator becomes unresponsive if the ledger does not contain any DAML packages.

  • [Ledger-API] Add field gen_map in Protobuf definition for ledger api values. This field is used to support generic maps, an new feature currently in development. See issue digital-asset#3356 for more details about generic maps.

    The Ledger API will send no messages where this field is set, when using a stable version of DAML-LF. However the addition of this field may cause pattern-matching exhaustive warnings in the code of ledger API clients. Those warnings can be safely ignored until GenMap is made stable in an upcoming version of DAML-LF.

  • [JSON API - Experimental] CLI configuration to enable serving static content as part of the JSON API daemon: --static-content "directory=/full/path,prefix=static" This configuration is NOT recommended for production deployment. See issue #2782.

  • [Extractor] The app can now work against a Ledger API server that requires client authentication. See issue #3157.

  • [DAML Script] This release contains a first version of an experimental DAML script

    feature that provides a scenario-like API that is run against an actual ledger.

  • [DAML Compiler] The default DAML-LF version is now 1.7. You can still produce DAML-LF 1.6 by passing --target=1.6 to daml build.

  • [JSON API - Experimental] The database schema has changed; if using --query-store-jdbc-config, you must rebuild the database by adding ,createSchema=true. See issue #3461.

  • [JSON API - Experimental] Terminate process immediately after creating schema. See issue #3386.

  • [DAML Stdlib] fromAnyChoice and fromAnyContractKey now take the template type into account.