Note cache_format_version in framework defaults

Since 7.1 was made the [default][1] for applications using
`load_defaults 7.1`, this adds a note of how to safely opt into the
configuration to new_framework_defaults.

The comment is the same as we used when the [same change][2] was made for 7.0

[1]: c94760cc0bb69a1fb52c23085c8f1a70f2de9adc
[2]: 270a2ddd6b70a1d188650afe48dddd025c4e605a

Co-authored-by: Alex Ghiculescu <alex@tanda.co>
This commit is contained in:
Hartley McGuire 2023-05-05 10:56:51 -04:00
parent 2bfb6565a4
commit 8739453f31
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@ -166,3 +166,14 @@
# This matches the behaviour of all other callbacks.
# In previous versions of Rails, they ran in the inverse order.
# Rails.application.config.active_record.run_after_transaction_callbacks_in_order_defined = true
# ** Please read carefully, this must be configured in config/application.rb **
# Change the format of the cache entry.
# Changing this default means that all new cache entries added to the cache
# will have a different format that is not supported by Rails 7.0
# applications.
# Only change this value after your application is fully deployed to Rails 7.1
# and you have no plans to rollback.
# When you're ready to change format, add this to `config/application.rb` (NOT
# this file):
# config.active_support.cache_format_version = 7.1