0.0.1b7

• chore: migrate dependency, environment, and build tooling from Poetry to uv (hatchling build backend)
• feat: configurable transaction isolation level via OPTIONS["isolation_level"]
• docs: clarify that select_for_update() does not lock — YDB uses optimistic concurrency; retry on conflict instead
• docs: restructure the docs — add a quick start, move the support tables into each topic page, slim the compatibility page, and source the docs version from the package
• feat: native YDB UPSERT INTO for YDBManager
• feat: type query parameters from the expression tree
• feat: support TimeField and pre-1970 dates via YDB's wide signed date/time types
• feat: support DecimalField with arbitrary precision and scale
• feat: support __hour/__minute/__second lookups on TimeField
• feat: auto-created many-to-many through tables
• feat: accurate introspection and an explicit schema-operation boundary
• feat: covering indexes via the COVER clause
• feat: read auto-increment keys via INSERT ... RETURNING
• feat: map Pi(), Random(), CURRENT_TIMESTAMP and Substr() to YQL built-ins
• feat: add an SDK-policy retry helper for interactive transactions
• fix: correct LIKE/exact lookup escaping for YQL (ESCAPE '~')
• fix: GROUP BY validation and aggregate() parameter binding
• fix: drop constant GROUP BY/ORDER BY terms and order by aggregate aliases
• fix: support a nullable expression right-hand side in pattern lookups
• fix: bulk_update() on NOT NULL columns and relation-chain types
• fix: compose UNION queries under the named-parameter model
• fix: resolve relation-conformance gaps in DELETE and dates()
• fix: raise IntegrityError on NOT NULL violations and reject primary-key-only inserts clearly
• fix: count UPDATE rows via RETURNING instead of a faked rowcount
• fix: apply NOT NULL -> nullable in alter_field
• fix: correct schema-editor db_column handling
• fix: emit a LIMIT before OFFSET for open-ended slices
• fix: audit and correct DatabaseFeatures flags
• docs: define the public support contract and compatibility matrices
• docs: define and verify the transaction/autocommit contract
• docs: modernize the bookstore example (DRF + Django contrib)
• test: gate on Django's bundled database suite across the 4.2/5.2/6.0 matrix
• test: add migration-executor, Django contrib, and Admin/Auth relationship tests
• ci: measure backend coverage and upload to Codecov
• ci: add key-value and transactional SLO workloads
• ci: require a short CHANGELOG.md entry on pull requests (skip via the 'skip changelog' label)

Full Changelog: 0.0.1b6...0.0.1b7

0.0.1b6

• fix: support Optional for nullable fields in insert and upsert
• fix: correct adapt_json_value and add JSONField tests

Full Changelog: 0.0.1b5...0.0.1b6

0.0.1b5

• type DateTimeField extract params as Int32, not Datetime

Full Changelog: 0.0.1b4...0.0.1b5

0.0.1b4

• One more db version case fixed

Full Changelog: 0.0.1b3...0.0.1b4

0.0.1b3

• Fix supported db version check
• Fix relationship field parameter typing

Full Changelog: 0.0.1b1...0.0.1b3

0.0.1b1

• Django YDB backend with basic functionality

Full Changelog: 0.0.1b1...0.0.1b1