Prepare for SBT Plugin 1.2.0 release

site/_sbt/1.2.0.md

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+---
+
+release: rc1
+apache: true
+title: 1.2.0
+date: 2024-11-05
+summary: >
+   Update to latest version of Daffodil, improved documentation and warnings, support for new settings
+
+source-dist:
+    - "apache-daffodil-sbt-1.2.0-src.zip"
+---
+
+This is a minor release of the Apache Daffodil SBT Plugin.
+
+See the [GitHub page](https://github.com/apache/daffodil-sbt) for details to enable and configure.
+
+#### New Features
+
+* The default `daffodilVersion` value is updated to 3.9.0
+* The `packageDaffodilBin/publishArtifact` setting can now be used to disable publishing saved parsers created with `packageDaffodilBin`
+* The `packageDaffodilBin` task now creates depersonalized saved parsers
+* New warning when `packageDaffodilBin` will not create any artifacts
+* New warning when `daffodilFlatLayout` is true but the layout does not look flat
+* New warning when `DaffodilBinInfo` schema path does not start with a `/`
+* Improve `DaffodilBinInfo` documentation
+
+#### Deprecation/Compatibility
+
+* The `DAFFODIL_JAVA_OPTS` environment variable is no longer used.
+  Instead, set the `packageDaffodilBin/javaOptions` setting, which allow specific per project settings.
+  See documentation for examples.
+* Projects that create layers, character sets, or UDF plugins no longer add Daffodil jars as a transitive dependency.
+  Projects using this plugin will see no difference, since Daffodil dependencies are defined via the `daffodilVersion` setting
+
+#### Closed Issues
+
+[GitHub v1.2.0 Closed Issues](https://github.com/apache/daffodil-sbt/milestone/3?closed=1)