generated: '2026-09-16'
method: searched
source: https://github.com/Qrlew/qrlew/blob/main/CHANGELOG.md
scope: >-
  Qrlew engine (crate qrlew / pypi pyqrlew), Sarus's open-source SQL-rewriting and
  differential-privacy engine that the Qrlew server wraps. Sarus publishes no dated changelog for
  the Sarus Gateway or the 'sarus' Python client; their only dated release record is the PyPI
  release history, captured below as release_history.
format: Keep a Changelog 1.0.0
scheme: semver
current_version: 0.9.27
current_date: '2024-12-11'
note: >-
  No entry after 0.9.27 (2024-12-11); the [Unreleased] section is empty and the repository was last
  pushed 2024-12-12. Nothing has shipped for ~21 months as of this pass.
entries:
- version: 0.9.27
  date: '2024-12-11'
  breaking: false
  fixed: [Fix gaussian tau.]
- version: 0.9.26
  date: '2024-12-05'
  breaking: false
  fixed: [Limit the privacy unit contribution to at most max_privacy_unit_groups when applying tau_thresholding.]
- version: 0.9.25
  date: '2024-11-27'
  breaking: false
  added: [Add attributes to data_type::Id]
- version: 0.9.24
  date: '2024-09-27'
  breaking: false
  fixed: [mssql and bigquery translator]
  added: [mysql, databricks, hive, redshift translators, mysql io connection for testing, tool to get tables prefix]
- version: 0.9.23
  date: '2024-07-09'
  breaking: false
  fixed: [fixing noise multiplier of the gaussian dp event which should be independent from the sensitivity.]
- version: 0.9.22
  date: '2024-07-09'
  breaking: false
  changed: [When translating relations to queries transform all nested CASE expressions into a single CASE]
- version: 0.9.21
  date: '2024-06-27'
  breaking: false
  changed:
  - Add integer domains to few boolean functions to reduce timing of fun.super_image
  - Break equality for some datatype by changing DataType's is_subset_of during the Variant trait implementation.
- version: 0.9.20
  date: '2024-06-20'
  breaking: false
  added: [support for extract_epoch function, support for NULL and Boolean values in the SELECT when parsing a query]
  changed: [Polymorphic properties of count(distinct ) are set as those of count]
release_history:
- package: sarus
  registry: pypi
  source: https://pypi.org/pypi/sarus/json
  releases:
  - {version: 0.12.0, date: '2024-11-21'}
  - {version: 0.12.0.dev0, date: '2024-11-05'}
  - {version: 0.11.8.dev1, date: '2024-10-17'}
  - {version: 0.11.8.dev0, date: '2024-10-15'}
  - {version: 0.11.7, date: '2024-10-03'}
  - {version: 0.11.6, date: '2024-09-19'}
server_changelog:
  api: sarus:qrlew-server
  source: https://github.com/Qrlew/server/blob/main/CHANGELOG.md
  format: Keep a Changelog 1.0.0
  scheme: semver
  current_version: 0.9.0
  current_date: '2023-12-22'
  entries:
  - {version: 0.9.0, date: '2023-12-22', breaking: false, changed: [Removed --locked in the dockerfile]}
  - {version: 0.7.0, date: '2023-12-22', breaking: false, added: [SD are optional]}
  - {version: 0.5.2, date: '2023-11-19', breaking: false, added: [Uses SD now]}
  - {version: 0.4.5, date: '2023-11-13', breaking: false, added: [Updated qrlew version to 0.4.12 (added public table support)]}