PHP 8.1 and PHP extension/package updates
Change effective on 10 December 2021
Customers are advised that this new version series brings many new features, but also deprecations and backward-incompatible changes; please follow the PHP 8.1 migration guide carefully.
Refer to the runtime version selection section of the Heroku PHP documentation to learn how to select a particular PHP version series, e.g. by using
~8.0.0 as the PHP version selector in
composer.json in order to remain on PHP 8.0 for the time being, if desired.
ext-newrelic extension is not yet available for PHP 8.1.
The following PHP extensions have been updated:
blackfire CLI agent program used by
ext-blackfire has been updated to version 2.5.2.