Release notes v4.0.0

[Simran-B]

Description

TODO:

• The Simple Queries methods collection.documents(keys) and collection.removeByKeys(keys) are currently undocumented in 4.0 in anticipation of their removal, but if they are now re-implemented using AQL, this should probably be undone. See https://arangodb.atlassian.net/browse/COR-214
• JavaScript transactions
• AQL UDFs
• Foxx (including queues/background tasks, foxx-master / foxxmaster, _fishbowl collection et al)
• Aardvark
• Statistics (collections, endpoints, startup options?)
• Metrics v2 endpoint
• Hash/skiplist indexes
• Fulltext index (also FULLTEXT AQL function, startup options?)
• bfs traversal option
• Deprecated startup options (some to be added as obsolete options, esp. frequently used ones to not cause errors on upgrades)
• --rocksdb-format-version 6 by default (no downgrades below 3.12.6)
• PUT /_api/cursor/{cursor-id}`
• --vector-index option (feature enabled by default)
• arangoimp and arangobench
• AQL IS_IN_POLYGON, NEAR, WITHIN, WITHIN_RECTANGLE
• Endpoints / methods to load and unload collections
• Replication logger-follower API
• Database target-version API
• overwrite option for inserts => now overwriteMode)
• minReplicationFactor => now writeConcern
• --server.jwt-secret
• ...

• [COR-147] Make vector-index option obsolete arangodb#22230
• [COR-86] Remove Simple Queries arangodb#22203

Upstream PRs

• 3.10:
• 3.11:
• 3.12:
• 4.0:

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