RELEASE NOTES: JDK 15.0.6

Zip File System Provider Throws ZipException When Entry Name Element Contains "." or ".."

The ZIP file system provider has been changed to reject existing ZIP files that contain entries with "." or ".." in name elements. ZIP files with these entries cannot be used as a file system. Invoking the java.nio.file.FileSystems.newFileSystem(...) methods throw ZipException if the ZIP file contains these entries.

Release Doesn't Correctly Recognize Windows Server

This release doesn't correctly identify Windows Server. The property os.name is set to Windows 2019 on Windows Server 2022. In HotSpot error logs, the OS is identified as Windows 10.0 for Windows Server releases 2016, 2019, and 2022; however, the HotSpot error log does show the Build number. Windows Server 2016 has Build 14393 or above, Windows Server 2019 has Build 17763 or above, and Windows Server 2022 has Build 20348 or above.

Release Doesn't Correctly Recognize Windows Server 2022

This release doesn't correctly identify Windows Server 2022. The property os.name is set to Windows Server 2019 on Windows Server 2022. In HotSpot error logs the OS is identified as Windows Server 2019; however, the HotSpot error log does show the Build number. Windows Server 2022 has Build 20348, or above.

Release Doesn't Correctly Recognize Windows 11

This release doesn't correctly identify Windows 11. The property os.name is set to Windows 10 on Windows 11. In HotSpot error logs, the OS is identified as Windows 10; however, the HotSpot error log does show the Build number. Windows 11 has Build 22000.194 or above.

Removal of Google's GlobalSign Root Certificate

The following root certificate from Google has been removed from the cacerts keystore: ``` + alias name "globalsignr2ca [jdk]" Distinguished Name: CN=GlobalSign, O=GlobalSign, OU=GlobalSign Root CA - R2

```

Removal of IdenTrust Root Certificate

The following root certificate from IdenTrust has been removed from the cacerts keystore: ``` + alias name "identrustdstx3 [jdk]" Distinguished Name: CN=DST Root CA X3, O=Digital Signature Trust Co.

```

Update Timezone Data to 2021c

The IANA Time Zone Database, on which the JDK's Date/Time libraries are based, has made a tweak to some of the time zone rules in 2021c.

Note that in 2021b, which is cumulatively included in this change, some of the time zone rules prior to the year 1970 have been modified according to changes introduced with 2021b. For more details, refer to the announcement of 2021b.