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+### Enhancements
+
+* Add new `lockfile` output in `build_outputs`. This generates a `@EXPLICIT` lockfile for the requested environment. (#898)
+
+### Bug fixes
+
+* <news item>
+
+### Deprecations
+
+* <news item>
+
+### Docs
+
+* <news item>
+
+### Other
+
+* <news item>