Fixes

• Fix v4 commands in legacy mode (#1820)
• Fix EXISTS command reply (#1819)
• Fix handler for "redis:invalidate" messages (#1798)
• Fix "SEPARATOR" typo in RediSearch (#1823)

Enhancements

• Add support for Buffers
• Enhance ASK and MOVED errors handler

Fixes

• Fix NOAUTH error when using authentication & database (#1681)
• Allow to .quit() in PubSub mode (#1766)
• Add an option to configurate name on a client (#1758)
• Lowercase commands (client.hset) in legacyMode
• Fix PubSub resubscribe (#1764)
• Fix RedisSocketOptions type (#1741)

Enhancements

• Add support for numbers and Buffers in HSET (#1738 #1739)
• Export RedisClientType, RedisClusterType and some more types (#1673)

This version is a major change and refactor, adding modern JavaScript capabilities and multiple breaking changes. See the migration guide for tips on how to upgrade.

Breaking Changes

• All functions return Promises by default
• Dropped support for Node.js 10.x, the minimum supported Node.js version is now 12.x
• createClient takes new and different arguments
• The prefix, rename_commands configuration options to createClient have been removed
• Login credentials are no longer saved when using .auth() directly

Features

• Added support for Promises
• Added built-in TypeScript declaration files enabling code completion
• Added support for clustering
• Added idiomatic arguments and responses to Redis commands
• Added full support for Lua Scripts
• Added support for SCAN iterators
• Added the ability to extend Node Redis with Redis Module commands

Fixes

Exclude unnecessary files from tarball (#1600)

Enhancements

• Upgrade node and dependencies (#1578)

Fixes

• Fix a potential exponential regex in monitor mode (#1595)

Enhancements

• Upgrade node and dependencies and redis-commands to support Redis 6 (#1578)
• Add support for Redis 6 auth pass [user] (#1508)

This version is mainly a release to distribute all the unreleased changes on master since 2017 and additionally removes a lot of old deprecated features and internals in preparation for an upcoming modernization refactor (v4).

Breaking Changes

• Dropped support for Node.js < 6
• Dropped support for hiredis (no longer required)
• Removed previously deprecated drain event
• Removed previously deprecated idle event
• Removed previously deprecated parser option
• Removed previously deprecated max_delay option
• Removed previously deprecated max_attempts option
• Removed previously deprecated socket_no_delay option

Bug Fixes

• Removed development files from published package (#1370)
• Duplicate function now allows db param to be passed (#1311)

Features

• Upgraded to latest redis-commands package
• Upgraded to latest redis-parser package, v3.0.0, which brings performance improvements
• Replaced double-ended-queue with denque, which brings performance improvements
• Add timestamps to debug traces
• Add socket_initial_delay option for socket.setKeepAlive (#1396)
• Add support for rediss protocol in url (#1282)

Features

• Accept UPPER_CASE commands in send_command
• Add arbitrary commands to the prototype by using Redis.addCommand(name)

Bugfixes

• Fixed not always copying subscribe unsubscribe arguments
• Fixed emitting internal errors while reconnecting with auth
• Fixed crashing with invalid url option

Bugfixes

• Fixed monitor mode not working in combination with IPv6 (2.6.0 regression)

Features

• All returned errors are from now a subclass of RedisError.

Bugfixes

• Fixed rename_commands not accepting null as value
• Fixed AbortErrors and AggregateErrors not showing the error message in the stack trace