as per RFC: https://wiki.php.net/rfc/permanent_hash_ext. (Kalle)
. Implemented FR #71890 (crc32c checksum algorithm). (Andrew Brampton)
+- Intl:
+ . Unbundled the InterBase extension and moved it to PECL. (Kalle)
+
- Intl:
. Raised requirements to ICU ≥ 50.1. (cmb)
. Changed default of $variant parameter of idn_to_ascii() and idn_to_utf8().
8. Removed Extensions and SAPIs
========================================
+- Interbase:
+ . The interbase extension has been moved to PECL. Access to an InterBase
+ and/or FireBird based database is still available with the PDO_Firebird
+ extension. For more details see the RFC:
+ https://wiki.php.net/rfc/deprecate-and-remove-ext-interbase
+
========================================
9. Other Changes to Extensions
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