Release v4.2.2 · fluree/db

What's Changed

feat(delta): browse, preview, verify, generate and validate on Unity Catalog; generated mappings key and join lowercase tables (Iceberg too) by @bplatz in #1902
Apply a request's policy on the graph-scoped read path, and to hydration by @zonotope in #1935
fix: parse ledger ids once at the edge and key everything by a typed id by @bplatz in #1958
fix: scope MCP and the ledger listing by token claims; MCP follows data auth by @bplatz in #1963

feat(iceberg): time-pinned graph-source reads via @iso: and @snapshot: by @bplatz in #1896
feat(query): @time: as the canonical timestamp selector; @iso: stays an alias by @bplatz in #1897
feat(delta): Delta Lake graph sources on local, S3, ADLS Gen2 and OneLake; reqwest 0.13 (outbound TLS trusts the OS certificate store) by @bplatz in #1899
feat(delta): Databricks tables by name through Unity Catalog by @bplatz in #1901
feat(sparql): support GRAPH ?g in UPDATE templates by @bplatz in #1921
feat: encryption key rotation without export and import by @bplatz in #1919
feat(server): accept Turtle, N-Triples and TriG on /sync by @bplatz in #1932
feat(server): Graph Store HTTP Protocol endpoint and default-graph sync by @bplatz in #1934
feat: Turtle and N-Triples output for CONSTRUCT and DESCRIBE by @bplatz in #1940
feat: edge annotations and GRAPH blocks in CONSTRUCT templates by @bplatz in #1948
feat(server): accept a time pin in the /query ledger path by @bplatz in #1970
feat(cli): fluree server run --memory for a throwaway in-memory server by @bplatz in #1968
feat(api): branch from a point in time with at: "time:" by @bplatz in #1969
Accept TriG on insert (API, server, CLI) by @bplatz in #1971

fix(query): unmatched OPTIONAL leaves vars unbound in SPARQL, null in Cypher by @bplatz in #1923
fix: route named graphs by ledger graph id, not transaction-local numbers by @bplatz in #1926
fix(query): keep left joins in written order when they share a variable by @bplatz in #1927
fix(storage): apply AES256Key on every encryptable build path and keep the disk cache free of decrypted artifacts by @bplatz in #1916
fix(indexer): remove rebuild session directories on every exit by @bplatz in #1917
fix(server): honour SPARQL Protocol dataset parameters by @bplatz in #1928
fix(query): key literals alike whichever join lane produced them by @bplatz in #1939
Compare branches by commit identity instead of t by @zonotope in #1905
fix(server): config precedence, boolean switches, and docs for what exists by @bplatz in #1944
fix(server): branching from a ledger with no commits is a 400, not a 500 by @bplatz in #1945
fix(query): filter and negation placement, and point-in-time visibility after reindex by @bplatz in #1965
fix(query): restore fast paths after cached index adoption by @bplatz in #1967

perf(query): fix worker-dependent 1.5x slowdown in COUNT star merges (DBLP regression in 4.2.1) by @bplatz in #1900
Read only the probe's slice of untranslatable overlay flakes by @bplatz in #1904
perf(query): cut per-row overhead in type scans, stars, grouping, and MINUS by @bplatz in #1933
perf(query): let LIMIT stop property joins and OPTIONAL early by @bplatz in #1936
perf(query): accelerate joins, existence checks, and counts by @bplatz in #1959

Full Changelog: v4.2.1...v4.2.2