The new PECL package sqlsrv-5.8.0 (stable) has been released at 
https://pecl.php.net/.

Release notes
-------------
[Added]
- Support for PHP 7.4
- Support for [Microsoft ODBC Driver 17.5](
https://docs.microsoft.com/sql/connect/odbc/download-odbc-driver-for-sql-server?view=sql-server-ver15)
 on all platforms
- Support for Debian 10 and Red Hat 8 - require MS ODBC Driver 17.4+
- Support for macOS Catalina, Alpine Linux 3.11 and Ubuntu 19.10 - require ODBC 
Driver 17.5+
- Feature Request [#929](https://github.com/microsoft/msphpsql/issues/929) - 
new [Language 
option](https://github.com/microsoft/msphpsql/wiki/Features#language) - Pull 
Request [#930](https://github.com/microsoft/msphpsql/pull/930)
- [Data Classification Sensitivity Metadata 
Retrieval](https://github.com/microsoft/msphpsql/wiki/Features#data-classification-sensitivity-metadata)
 - requires ODBC Driver 17.4.2+ and [SQL Server 
2019](https://www.microsoft.com/sql-server/sql-server-2019)
- [Always Encrypted with secure 
enclaves](https://github.com/microsoft/msphpsql/wiki/Features#alwaysencryptedV2)
 - requires ODBC Driver 17.4+ and [SQL Server 
2019](https://www.microsoft.com/sql-server/sql-server-2019)
- Feature Request [#1063](https://github.com/microsoft/msphpsql/issues/1063) - 
add configurable options for locale settings in Linux and macOS  - Pull Request 
[#1069](https://github.com/microsoft/msphpsql/pull/1069)
[Removed]
- Dropped support for [PHP 7.1](https://www.php.net/supported-versions.php)
- Dropped support for SQL Server 2008 R2, macOS Sierra, Ubuntu 18.10 and Ubuntu 
19.04.
[Fixed]
- Issue [#570](https://github.com/microsoft/msphpsql/issues/570) - Fixed 
fetching varbinary data using client buffer with sqlsrv
- Pull Request [#972](https://github.com/microsoft/msphpsql/pull/972) - Removed 
redundant calls to retrieve the number of columns or rows in the current query 
result set
- Pull Request [#979](https://github.com/microsoft/msphpsql/pull/979) - Added 
support for Data Classification Sensitivity metadata retrieval
- Pull Request [#985](https://github.com/microsoft/msphpsql/pull/985) - Fixed 
memory issues with Data Classification data structures
- Issue [#432](https://github.com/microsoft/msphpsql/issues/432) - Having any 
invalid UTF-8 name in the connection string will no longer invoke misleading 
error messages
- Issue [#909](https://github.com/microsoft/msphpsql/issues/909) - Fixed 
potential exception with locale issues in macOS 
- Pull Request [#992](https://github.com/microsoft/msphpsql/pull/992) - 
Produced the correct error when requesting Data Classification metadata with 
ODBC drivers prior to 17
- Pull Request [#1001](https://github.com/microsoft/msphpsql/pull/1001) - Fixed 
compilation issue with PHP 7.4 alpha
- Pull Request [#1004](https://github.com/microsoft/msphpsql/pull/1004) - Fixed 
another compilation issue with PHP 7.4 alpha
- Pull Request [#1008](https://github.com/microsoft/msphpsql/pull/1008) - 
Improved data caching when fetching datetime objects
- Pull Request [#1011](https://github.com/microsoft/msphpsql/pull/1011) - Fixed 
a potential buffer overflow when parsing for escaped braces in the connection 
string
- Pull Request [#1015](https://github.com/microsoft/msphpsql/pull/1015) - Fixed 
compilation issues and addressed various memory leaks detected by PHP 7.4 beta 
1 
- Issue [#1027](https://github.com/microsoft/msphpsql/issues/1027) - Fixed how 
drivers handle query timeout settings
- Pull Request [#1049](https://github.com/microsoft/msphpsql/pull/1049) - 
Performance improvement for fetching from tables with many columns - cached the 
derived php types with column metadata to streamline data retrieval
- Pull Request [#1068](https://github.com/microsoft/msphpsql/pull/1068) - Some 
cosmetic changes to source code as per suggestions from a static analysis tool
- Issue [#1079](https://github.com/microsoft/msphpsql/issues/1079) - Support 
sql_variant types when using client buffers
[Limitations]
- No support for inout / output params when using sql_variant type
- No support for inout / output params when formatting decimal values
- In Linux and macOS, setlocale() only takes effect if it is invoked before the 
first connection. Attempting to set the locale after connecting will not work
- Always Encrypted requires [MS ODBC Driver 
17+](https://docs.microsoft.com/sql/connect/odbc/linux-mac/installing-the-microsoft-odbc-driver-for-sql-server)
  - Only Windows Certificate Store and Azure Key Vault are supported. Custom 
Keystores are not yet supported
  - Issue [#716](https://github.com/Microsoft/msphpsql/issues/716) - With 
Always Encrypted enabled, named parameters in subqueries are not supported
  - Issue [#1050](https://github.com/microsoft/msphpsql/issues/1050) - With 
Always Encrypted enabled, insertion requires the column list for any tables 
with identity columns
  - [Always Encrypted 
limitations](https://docs.microsoft.com/sql/connect/php/using-always-encrypted-php-drivers#limitations-of-the-php-drivers-when-using-always-encrypted)
[Known Issues]
- In Alpine Linux, the Client-Side Cursors feature may cause an access 
violation if both sqlsrv and pdo_sqlsrv are enabled. Either enable only sqlsrv 
or pdo_sqlsrv, or build PHP from source by compiling the drivers statically.
- Connection pooling on Linux or macOS is not recommended with 
[unixODBC](http://www.unixodbc.org/) < 2.3.7
- When pooling is enabled in Linux or macOS
  - unixODBC <= 2.3.4 (Linux and macOS) might not return proper diagnostic 
information, such as error messages, warnings and informative messages
  - due to this unixODBC bug, fetch large data (such as xml, binary) as streams 
as a workaround. See the examples 
[here](https://github.com/Microsoft/msphpsql/wiki/Features#pooling)

Package Info
-------------
The Microsoft Drivers for PHP for SQL Server are PHP extensions that allow for 
the reading and writing of SQL Server data from within PHP scripts. The SQLSRV 
extension provides a procedural interface while the PDO_SQLSRV extension 
implements PDO for accessing data in all editions of SQL Server 2012 and later 
(including Azure SQL DB). These drivers rely on the Microsoft ODBC Driver for 
SQL Server to handle the low-level communication with SQL Server.
*This package contains only the SQLSRV driver.*

Related Links
-------------
Package home: https://pecl.php.net/package/sqlsrv
   Changelog: https://pecl.php.net/package-changelog.php?package=sqlsrv
    Download: https://pecl.php.net/get/sqlsrv-5.8.0.tgz

Authors
-------------
Meet Bhagdev <me...@microsoft.com> (lead)
Jay Kint <jayk...@microsoft.com> (lead)
Marie Barwin (lead)
Jenny Tam (lead)
David Puglielli (lead)

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