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| -rw-r--r-- | guides/source/upgrading_ruby_on_rails.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/guides/source/upgrading_ruby_on_rails.md b/guides/source/upgrading_ruby_on_rails.md index 290aabc6f9..181d57ceb2 100644 --- a/guides/source/upgrading_ruby_on_rails.md +++ b/guides/source/upgrading_ruby_on_rails.md @@ -319,7 +319,7 @@ By opting-out you optimize `$LOAD_PATH` lookups (less directories to check), and #### Thread-safety -In classic mode constant autoloading is not thread-safe, though Rails has locks in place for example to make web requests thread-safe when autoloading is enabled, as it is common in `development` mode. +In classic mode, constant autoloading is not thread-safe, though Rails has locks in place for example to make web requests thread-safe when autoloading is enabled, as it is common in `development` mode. Constant autoloading is thread-safe in `zeitwerk` mode. For example, you can now autoload in multi-threaded scripts executed by the `runner` command. |