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@@ -154,12 +154,12 @@ This major release of the SSP standard provides support for FMI 3.0, as well as
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Even though SSP 2.0 is a major version release, all SSP 1.0 conforming artifacts are considered to be fully conforming to SSP 2.0.
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SSP 2.0 conforming artifacts are only compliant to the SSP 1.0 standard if they use a 1.0 version number and only use features available in SSP 1.0.
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The following changes were performed as part of the 2.0.0 major release:
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An overview of the changes in the 2.0.0 major release are provided in the bulleted lists below. Many different advancements to the specification have been discussed; however, the SSP 2.0 specification has, in its current status, been deduced as a feasible least-common denominator for the exchange of simulation packages that is able to provide value for both end-users and tool suppliers.
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* Support for FMI 3.0
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** Support for the new basic data types: Float32/64, and [U]Int8/16/32/64.
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** Support for the new scheduled execution implementation kind in the component implementation attribute.
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** Support for clocks as a new connector kind, and clocked variables/connectors.
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** Support for the new scheduled execution implementation kind in the component implementation attribute. Scheduled execution enables, for example, enriched event controlled execution of SSP components.
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** Clocked signals were introduced to FMI 3.0 for more exactly control timing of events and evaluation of model partitions across FMUs. SSP 2.0 introduces clocks as a new connector kind, and clocked variables/connectors.
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** Support for arrays in connectors and connections in the SSD, as well as in the SSV and SSB file formats.
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** Support for structural parameters with the new connector kind `structuralParameter`.
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** Support for the redesigned alias variable handling in FMI 3.0.
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This feature enables more advanced graphical editing of SSP models.
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* Traceability and meta-data features
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** Integration of the `MetaData` element developed as part of the SSP Traceability layered standard into the core standard.
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This allows the integration of arbitrary meta-data and digital signatures into the SSP file formats.
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This allows the integration of arbitrary meta-data and digital signatures, such as life-cycle information, into the SSP file formats.
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** Support for mixed content in annotations, as in FMI 3.0 and the SSP Traceability layered standard.
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* Support for Modelica
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** Support in the core standard for Modelica models as components
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** Clarify uniqueness of root SSDs in https://github.com/modelica/ssp-standard/pull/23
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** Clarify hierarchical parameter name resolution in https://github.com/modelica/ssp-standard/pull/27
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=== Changes in 1.0.1
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The following changes were performed as part of the 1.0.1 maintenance release:
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* Correct version string for 1.0 release (Issue #54)
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* Clarify that GTypeChoice is optional for connectors (Issue #80)
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* Clarify use of binary connectors (Issue #98)
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* Clarify interaction with structured variable naming convention in FMI (Issue #59)
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* Clarify icon rotation specification (Issue #29)
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* Add non-normative comment on empty/missing source attribute of components (Issue #82)
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* Clarify connector geometry override (Issue #30)
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* Add further examples of graphical notation (Issue #42)
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* Minor typographical fixes (Issues #56, #57, #58)
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Note that there were no changes to the XML Schema files of the standard.
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