# Summary
OSCAL 1.1.1 is a [patch release](https://github.com/usnistgov/OSCAL/blob/89aa8114a66309342725369f2dc5c586090a7c7b/versioning-and-branching.md#versioning) with minor model improvements, documentation, and artifact release changes that are backwards compatible.
# Changes: Key Take-aways
## Models
1. Allow non-FISMA/RMF use cases for SSP information type impact levels.
2. Remove obsolete model documentation for `biblio` elements in `back-matter/resources`.
## Profile Resolution and Process Specs
1. Change spec for more practical definition of `metadata/last-modified`.
## Other
1. Update schema validation links in OSCAL model definitions.
1. Generate OSCAL model definitions with and without external XML entities (XXEs).
# Details
1. [ac6397d68](https://github.com/usnistgov/OSCAL/commit/ac6397d68) Produce Metaschemas without XXEs ([#1665](https://github.com/usnistgov/OSCAL/pull/#1665)) ([#1901](https://github.com/usnistgov/OSCAL/pull/#1901))
1. [563ecb305](https://github.com/usnistgov/OSCAL/commit/563ecb305) Adjusted language for `metadata:last-modified` ([#1900](https://github.com/usnistgov/OSCAL/pull/#1900))
1. [e78291b87](https://github.com/usnistgov/OSCAL/commit/e78291b87) Bump build/metaschema-xslt from `ac4bd7e` to `10f72aa` ([#1886](https://github.com/usnistgov/OSCAL/pull/#1886))
1. [bb454ed44](https://github.com/usnistgov/OSCAL/commit/bb454ed44) Adjusted `information-type/*-impact` constraints ([#1888](https://github.com/usnistgov/OSCAL/pull/#1888))
1. [1680e13ff](https://github.com/usnistgov/OSCAL/commit/1680e13ff) Corrects references identified in [#1883](https://github.com/usnistgov/OSCAL/pull/#1883) ([#1884](https://github.com/usnistgov/OSCAL/pull/#1884))
# Appendix
## Detailed Commit Log
**Note for NIST developers:** the output below is from executing the following command against the release branch (`main`) on a developer workstation: `git log origin/main..origin/develop --pretty=oneline --abbrev-commit`.
1. [8bc3c0045](https://github.com/usnistgov/OSCAL/commit/8bc3c0045) Bump build/metaschema-xslt from `10f72aa` to `034e92b` ([#1902](https://github.com/usnistgov/OSCAL/pull/1902))
1. [ac6397d68](https://github.com/usnistgov/OSCAL/commit/ac6397d68) Produce Metaschemas without XXEs ([#1665](https://github.com/usnistgov/OSCAL/pull/1665)) ([#1901](https://github.com/usnistgov/OSCAL/pull/1901))
1. [563ecb305](https://github.com/usnistgov/OSCAL/commit/563ecb305) Adjusted language for `metadata:last-modified` ([#1900](https://github.com/usnistgov/OSCAL/pull/1900))
1. [5b187b26b](https://github.com/usnistgov/OSCAL/commit/5b187b26b) Bump actions/checkout from 3.5.3 to 3.6.0 ([#1903](https://github.com/usnistgov/OSCAL/pull/1903))
1. [53cbe3d00](https://github.com/usnistgov/OSCAL/commit/53cbe3d00) Bump org.apache.maven.plugins:maven-dependency-plugin in /build ([#1878](https://github.com/usnistgov/OSCAL/pull/1878))
1. [e78291b87](https://github.com/usnistgov/OSCAL/commit/e78291b87) Bump build/metaschema-xslt from `ac4bd7e` to `10f72aa` ([#1886](https://github.com/usnistgov/OSCAL/pull/1886))
1. [01a985003](https://github.com/usnistgov/OSCAL/commit/01a985003) Add `--quiet` to the resolver test mvn download ([#1898](https://github.com/usnistgov/OSCAL/pull/1898))
1. [54f25db65](https://github.com/usnistgov/OSCAL/commit/54f25db65) Bump actions/setup-node from 3.7.0 to 3.8.1 ([#1894](https://github.com/usnistgov/OSCAL/pull/1894))
1. [bb454ed44](https://github.com/usnistgov/OSCAL/commit/bb454ed44) Adjusted `information-type/*-impact` constraints ([#1888](https://github.com/usnistgov/OSCAL/pull/1888))
1. [1680e13ff](https://github.com/usnistgov/OSCAL/commit/1680e13ff) Corrects references identified in [#1883](https://github.com/usnistgov/OSCAL/pull/1883) ([#1884](https://github.com/usnistgov/OSCAL/pull/1884))
1. [e5b6e790b](https://github.com/usnistgov/OSCAL/commit/e5b6e790b) Bump markdown-link-check from 3.10.2 to 3.11.2 in /build ([#1864](https://github.com/usnistgov/OSCAL/pull/1864))
1. [948e88ad0](https://github.com/usnistgov/OSCAL/commit/948e88ad0) Bump actions/checkout from 3.3.0 to 3.5.3 ([#1863](https://github.com/usnistgov/OSCAL/pull/1863))
1. [2a908809d](https://github.com/usnistgov/OSCAL/commit/2a908809d) Bump actions/setup-node from 3.6.0 to 3.7.0 ([#1854](https://github.com/usnistgov/OSCAL/pull/1854))))