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Diffstat (limited to 'activesupport/CHANGELOG.md')
| -rw-r--r-- | activesupport/CHANGELOG.md | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md index a4c90c8b44..3f77b191f9 100644 --- a/activesupport/CHANGELOG.md +++ b/activesupport/CHANGELOG.md @@ -3,6 +3,128 @@ *Daniel Ma* +* Allow the hash function used to generate non-sensitive digests, such as the + ETag header, to be specified with `config.active_support.hash_digest_class`. + + The object provided must respond to `#hexdigest`, e.g. `Digest::SHA1`. + + *Dmitri Dolguikh* + + +## Rails 5.2.0.beta2 (November 28, 2017) ## + +* No changes. + + +## Rails 5.2.0.beta1 (November 27, 2017) ## + +* Changed default behaviour of `ActiveSupport::SecurityUtils.secure_compare`, + to make it not leak length information even for variable length string. + + Renamed old `ActiveSupport::SecurityUtils.secure_compare` to `fixed_length_secure_compare`, + and started raising `ArgumentError` in case of length mismatch of passed strings. + + *Vipul A M* + +* Make `ActiveSupport::TimeZone.all` return only time zones that are in + `ActiveSupport::TimeZone::MAPPING`. + + Fixes #7245. + + *Chris LaRose* + +* MemCacheStore: Support expiring counters. + + Pass `expires_in: [seconds]` to `#increment` and `#decrement` options + to set the Memcached TTL (time-to-live) if the counter doesn't exist. + If the counter exists, Memcached doesn't extend its expiry when it's + incremented or decremented. + + ``` + Rails.cache.increment("my_counter", 1, expires_in: 2.minutes) + ``` + + *Takumasa Ochi* + +* Handle `TZInfo::AmbiguousTime` errors + + Make `ActiveSupport::TimeWithZone` match Ruby's handling of ambiguous + times by choosing the later period, e.g. + + Ruby: + ``` + ENV["TZ"] = "Europe/Moscow" + Time.local(2014, 10, 26, 1, 0, 0) # => 2014-10-26 01:00:00 +0300 + ``` + + Before: + ``` + >> "2014-10-26 01:00:00".in_time_zone("Moscow") + TZInfo::AmbiguousTime: 26/10/2014 01:00 is an ambiguous local time. + ``` + + After: + ``` + >> "2014-10-26 01:00:00".in_time_zone("Moscow") + => Sun, 26 Oct 2014 01:00:00 MSK +03:00 + ``` + + Fixes #17395. + + *Andrew White* + +* Redis cache store. + + ``` + # Defaults to `redis://localhost:6379/0`. Only use for dev/test. + config.cache_store = :redis_cache_store + + # Supports all common cache store options (:namespace, :compress, + # :compress_threshold, :expires_in, :race_condition_ttl) and all + # Redis options. + cache_password = Rails.application.secrets.redis_cache_password + config.cache_store = :redis_cache_store, driver: :hiredis, + namespace: 'myapp-cache', compress: true, timeout: 1, + url: "redis://:#{cache_password}@myapp-cache-1:6379/0" + + # Supports Redis::Distributed with multiple hosts + config.cache_store = :redis_cache_store, driver: :hiredis + namespace: 'myapp-cache', compress: true, + url: %w[ + redis://myapp-cache-1:6379/0 + redis://myapp-cache-1:6380/0 + redis://myapp-cache-2:6379/0 + redis://myapp-cache-2:6380/0 + redis://myapp-cache-3:6379/0 + redis://myapp-cache-3:6380/0 + ] + + # Or pass a builder block + config.cache_store = :redis_cache_store, + namespace: 'myapp-cache', compress: true, + redis: -> { Redis.new … } + ``` + + Deployment note: Take care to use a *dedicated Redis cache* rather + than pointing this at your existing Redis server. It won't cope well + with mixed usage patterns and it won't expire cache entries by default. + + Redis cache server setup guide: https://redis.io/topics/lru-cache + + *Jeremy Daer* + +* Cache: Enable compression by default for values > 1kB. + + Compression has long been available, but opt-in and at a 16kB threshold. + It wasn't enabled by default due to CPU cost. Today it's cheap and typical + cache data is eminently compressible, such as HTML or JSON fragments. + Compression dramatically reduces Memcached/Redis mem usage, which means + the same cache servers can store more data, which means higher hit rates. + + To disable compression, pass `compress: false` to the initializer. + + *Jeremy Daer* + * Allow `Range#include?` on TWZ ranges In #11474 we prevented TWZ ranges being iterated over which matched |