Changed

• [BREAKING] Feat: Use snappy compression by default. (#6697)
• [BREAKING] Fix(OOM): Don't unmarshal pb.Proposals until we need them (#7059)
• [BREAKING] Feat(Dgraph): Use Badger with new WAL format. (#6643)
• [BREAKING] Switch Raft WAL to use simple files (#6572)
• Feat(tls): splitting tls_dir + making health point available on HTTP (#6821)

Added

• GraphQL

  • Feat(GraphQL): Add Aggregation Queries at Child Level (#7022)
  • Feat(GraphQL): Add aggregate query at root level (#6985)
  • Feat(GraphQL): Mutations with Auth on interfaces should work correctly. (#6839)
  • Feat(GraphQL): This PR adds support for "application/dql" in content header. (#6849)
  • Feat(GraphQL): Add count queries Feature at non-root levels (#6834)
  • Fix(GraphQL): AND/OR filters now accept an array while also accepting objects. (#6801)
  • Feat(GraphQL): Allow Query with Auth rules on Interfaces (#6776)
  • Feat(GraphQL): This PR adds auth switch in GraphQL authorization header. (#6779)
  • Feat(GraphQL): Add count query Feature at root to GraphQL (#6786)
  • Feat(GraphQL): Add generate directive to graphql schema (#6760)
  • Feat(GraphQL): add support for all RSA and HMAC algorithms supported by github.com/dgrijalva/jwt-go/v4 (#6750)
  • Feat(GraphQL): allow duplicate XIDs if only XID value is repeated (#6762)
  • Feat(GraphQL): Add support for Polygon and Multi-Polygon in GraphQL (#6618)
  • Feat(GraphQL): add support for between filter in GraphQL (#6651)
  • Feat(GraphQL): Unions (#6722)
  • Feat(GraphQL): add support for IN filter (#6662)
  • Feat(GraphQL): Add support for Geo point type in Graphql. (#6481)
  • Feat(GraphQL): GraphQL now has lambda resolvers (#6574)
  • Feat(GraphQL): Support authorization with jwk_url (#6564)
  • Feat(GraphQL): GQL Logging MW for admin query/mutation (#6562)
  • Feat: add schema history to graphql (#6324)
  • Feat(GraphQL): Add GraphQL schema validation Endpoint. (#6250)
  • Feat(GraphQL): This PR adds parameterised cascade in graphql. (#6251)
  • Feat(GraphQL): add has filter support (#6258)
  • Feat(GraphQL): GraphQL now has Int64 as scalar type (#6200)
  • Feat(GraphQL): @custom HTTP body now supports hardcoded scalars (#6157)
  • Feat(GraphQL): Custom logic now supports DQL queries (#6115)
  • Feat(GraphQL): This PR allows to return errors from custom REST endpoint. (#6604)

• Core Dgraph

  • Feat(dgraph): Add suport for RDF query. (#6038)
  • perf(xidmap): Use btree with hash of keys for xidmap (#6902)
  • Feat(Query): Enable persistent queries in dgraph (#6788)
  • Feat(Dgraph): Add ability to change size of caches through the admin interface. (#6644)
  • Feat(query): Support for between func with count at root (#6556)
  • Feat(querylang): language support for term tokenization (#6269)
  • Feat(ludicrous): Run mutations from the same predicate concurrently in ludicrous mode (#6060)
  • Feat(Dgraph): Add experimental cache for posting lists (#6245)
  • Feat(dgraph): making all internal communications with tls configured (#6692)
  • Feat(dgraph): enabling TLS config in http zero (#6691)
  • Feat(raftwal): Add support for encryption in raftwal (#6714)
  • Feat(Dgraph): add utility to export backup data. (#6550)
  • Feature: dgraph_txn_aborts metric for prometheus (#6171)
  • Feat(live): added upsert in live loader (#6057)

• Enterprise Features

  • Feat(Dgraph): Online restores allows to restore a specific backup. (#6411)

Fixed

• GraphQL

  • Fix(GraphQL): Fix internal Aliases name generation (#7009)
  • Fix(GraphQL): Allows repetition of fields inside implementing type in interface and allow to inherit field of same name of type ID from multiple interfaces. (#7053)
  • Fix(GraphQL): Fix password query rewriting in release/v20.11 (#7012)
  • Fix(GraphQL): Fix bug with password query rewriting (#7011)
  • Fix(GraphQL): Use fragments on interfaces while querying other interface. (#6964)
  • Fix(GraphQL): Fix multiple alias in query (#6940)
  • Fix(GraphQL): Add support for using auth with secret directive (#6920)
  • Fix(GraphQL): Fix exclusion of filters in Query generation (#6917)
  • Fix(GraphQL): handle filters for enum properly (#6916)
  • Fix(GraphQL): Fixes issue of multiple responses in a subscription for an update. (#6868)
  • Fix(GraphQL): Fix panic caused when trying to delete a nested object which doesn't have id/xid (#6810)
  • Fix(GraphQL): Fix between filter bugs (#6822)
  • Fix(GraphQL): Fix panic error when we give null value in filter connectives. (#6707)
  • Fix(GraphQL): Remove extra fields when querying interfaces (#6596)
  • Fix(GraphQL): disallowing field names with as (#6579)
  • Fix(GraphQL): Fix object Linking with hasInverse (#6557)
  • Fix(GraphQL): Fix cascade with auth query when RBAC is false (#6444)
  • Fix(GraphQL): Generate correct schema when no orderable field in a type (#6456)
  • Fix(GraphQL): Fix restoreStatus query with query variables (#6414)
  • Fix(GraphQL): Fix for deletion on interfaces with no non Id field (#6387)
  • Fix(GraphQL): don't generate orderable enum value for list fields (#6392)
  • Fix(GraphQL): Fix introspection completion bug (#6385)
  • Fix(GraphQL): Extend int64 range to 64-bit numeric values and adds input coercing and validation for integers. (#6275)
  • Fix(GraphQL): Remove auth error from mutation. (#6329)
  • Fix(GraphQL): Fix query rewriting for auth delete when deleting types with inverse field. (#6350)
  • Fix(GraphQL): incorrect generatedSchema in updateGQLSchema (#6349)
  • Fix(GraphQL): Link xids properly if there are duplicate xids within the same add request. (#6265)
  • Fix(GraphQL): Fix internal error when doing GraphQL schema introspection after drop all (#6268)
  • Fix(GraphQL): Fixes unexpected fragment behaviour (#6228)
  • Fix(GraphQL): Fix order and offset in auth queries. (#6221)
  • Fix(GraphQL): Linking of xids for deep mutations (#6172)
  • Fix(GraphQL): Don't reserve certain queries/mutations/inputs when a type is remote. (#6055)
  • Fix(GraphQl): Allow case insensitive auth header for graphql subscriptions. (#6141)
  • Fix(GraphQl): Panic Fix when subscription expiry is not present in jwt. (#6129)
  • Fix(GraphQL): Fix bug in custom resolver, now body need not have all the fields. (#6054)
  • Fix(GraphQL): Disallow Subscription typename. (#6077)
  • Fix(GraphQL): Fixes wrong query parameter value for custom field URL (#6074)
  • Fix(GraphQL): Fixes panic in update mutation without set & remove (#6073)
  • Fix(GraphQL): Fix auth rewriting for nested queries when RBAC rule is true. (#6053)
  • Fix(GraphQL): Fix getType queries when id was used as a name for types other than ID (#6130)

• Core Dgraph

  • Fix(ludicrous mode): Handle deletes correctly (#6773)
  • Fix(Zero): Fix how Zero snapshots and purge works (#7096)
  • Fix: Check for nil ServerCloser in shutdown handler (#7048)
  • Fix(health): Update health only after upserting schema and types (#7006)
  • Fix(worker): Flush the stream writer on error (DGRAPH-2499) (#6609)
  • Fix(export): don't return an error if there was no GraphQL schema (#6815)
  • Fix pointer misalignment (#6795)
  • Fix(metrics): Show memory metrics for zero (#6743)
  • feat(Query): Allow filters in expand(all) queries on predicates pointing to nodes (#6752)
  • Fix(Ludicrous): Upserts on list type in Dgraph (#6754)
  • Fix(worker): Avoid panic in handleUidPostings (#6607)
  • Fix(config): Set glog -v flag correctly from config files. (#6678)
  • Fix ErrIndexingInProgress if schema update fails (#6583)
  • feat(bulk): Allow encrypted input with unencrypted output in bulk. (#6541)
  • Fix(Dgraph): Subscribe to ACL updates instead of polling. (#6459)
  • Fix(Alpha): Immediately take a snapshot if we don't have one (#6458)
  • Fix(Dgraph): Fix bug when deleting and adding to a single UID predicate in the same transaction. (#6431)
  • Fix(raft): Only leader should check the quorum (#6323)
  • Fix(Dgraph): Parse Content-Type in headers correctly (#6370)
  • Fix(shutdown): Force exit if CTRL-C is caught before initialization (#6359)
  • Fix(Query) Fix Star_All delete query when used with ACL enabled (#6331)
  • Fix(Alpha): MASA: Make Alpha Shutdown Again (#6313)
  • Fix(Dgraph): Fix how visited nodes are detected in recurse queries. (#6272)
  • Fix(Dgraph): make backups cancel other tasks (#6152)
  • Fix(Dgraph): Don't store start_ts in postings. (#6206)
  • Fix(Dgraph): Perform rollups more aggresively. (#6143)
  • Fix(rollups): rollup a batch if more than 2 seconds elapsed since last batch (#6118)

• Enterprise Features

  • Fix(enterprise): Set version correctly post marshalling during restore (#7018)
  • Add badger.compression to Dgraph restore (#6987)
  • Fix(backup/restore): Fixes backup and restore with DROP operations (GRAPHQL-735) (#6844)
  • Fix(ACL) : Disallow deleting of groot user and guardians group (#6580)
  • Fix: Online Restore honors credentials passed in (#6295)
  • Fix(ACL Query): Fixes queries which use variable at the top level (#6290)
  • Fix(Dgraph): race condition in EnterpriseEnabled() (#6793)