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Document how Valkey maintains backward compatibility with Redis OSS: 1. Version compatibility: forked from Redis 7.2.4, compatible with all Redis OSS versions up to 7.2.x, not compatible with Redis CE 7.4+ 2. INFO fields: redis_version is fixed at 7.2.4 for client compatibility, server_version reports the actual Valkey version 3. Lua scripting: both redis.call() and server.call() namespaces work 4. Module API: both RedisModule_* and ValkeyModule_* prefixes are supported All information verified against the Valkey source code (version.h, redismodule.h, valkeymodule.h). Fixes valkey-io#14
- Fix: the INFO field is valkey_version, not server_version (renamed in valkey-io/valkey#232) - Add Lua globals: SERVER_NAME, SERVER_VERSION, SERVER_VERSION_NUM (added in valkey-io/valkey#47)
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topics/redis-compatibility.mdpage covering:redis_versionfixed at 7.2.4 for client compat,server_versionfor actual Valkey versionredis.call()andserver.call()namespaces workRedisModule_*andValkeyModule_*prefixes supportedredis.conffiles work as-isredis-cliworks with Valkey and vice versaAll information verified against the Valkey source code.
Fixes #14