The HTCondor team is pleased to announce the release of HTCondor 9.0.0. After two years of development, this is the first release of the new stable series. It includes all the enhancements and bug fixes in the 8.9 series. Many of these changes have focused on improving the security of HTCondor and improving the utility of the file transfer plugins. Highlights of this release are: Absent any configuration, a new HTCondor installation denies authorization to all users; AES encryption is used for all communication and file transfers by default (Hardware accelerated when available); New IDTOKEN authentication method enables fine-grained authorization control designed to replace GSI authentication; Improved support for GPUs, including machines with multiple GPUs; New condor_watch_q tool that efficiently provides live job status updates; Many improvements to the Python bindings, including new bindings for DAGMan and chirp; Improved curl, https, box, Amazon S3, and google drive file transfer plugins supporting uploads and authentication; File transfer times are now recorded in the job log; Added support for jobs that need to acquire and use OAUTH tokens; Many memory footprint and performance improvements in DAGMan; Submitter ceilings allow administrators to set limits on the number of running jobs per user across the pool. More details about the new features can be found in the Upgrade Section For a full list of changes, please consult the 8.9 version history Try out our new helpful installation scripts. HTCondor 9.0.0 binaries and source code are available from our Downloads page.

The HTCondor team is pleased to announce the release of HTCondor 8.9.13. This development series release contains new features that are under development. This release contains all of the bug fixes from the 8.8.13 stable release. WARNING: We have changed the default security model in this release. It is not a drop-in replacement for any earlier release. Please read the notes before proceeding with an upgrade. Manual intervention may be required. Enhancements in the release include: Host based security is no longer the default security model; Hardware accelerated integrity and AES encryption used by default; Normally, AES encryption is used for all communication and file transfers; Fallback to Triple-DES or Blowfish when interoperating with older versions; Simplified and automated new HTCondor installations; HTCondor now detects instances of multi-instance GPUs; Fixed memory leaks (collector updates in 8.9 could leak a few MB per day); Many other enhancements and bug fixes, see version history for details. A complete list of new features and fixed bugs can be found in the version history. Try out our new helpful installation scripts. Further details can be found in the Development Version History and the Stable Version History. HTCondor 8.9.13 binaries and source code are available from our Downloads page.

On March 26 2021 at 3:30pm the HTCondor v8.9.12 release was pulled down from our website after significant backwards-compatibility problems were discovered. We plan to fix these problems in v8.9.13 to be released by March 30. We apologize for any inconvenience.

The HTCondor team is pleased to announce the release of HTCondor 8.9.12. This development series release contains new features that are under development. This release contains all of the bug fixes from the 8.8.13 stable release. WARNING: We have changed the default security model in this release. It is not a drop-in replacement for any earlier release. Please read the notes before proceeding with an upgrade. Manual intervention may be required. Enhancements in the release include: Host based security is no longer the default security model; Hardware accelerated integrity and AES encryption used by default; Normally, AES encryption is used for all communication and file transfers; Fallback to Triple-DES or Blowfish when interoperating with older versions; Simplified and automated new HTCondor installations; HTCondor now detects instances of multi-instance GPUs; Fixed memory leaks (collector updates in 8.9 could leak a few MB per day); Many other enhancements and bug fixes, see version history for details. A complete list of new features and fixed bugs can be found in the version history. Try out our new helpful installation scripts. Further details can be found in the Development Version History and the Stable Version History. HTCondor 8.9.12 binaries and source code are available from our Downloads page.

The HTCondor team is pleased to announce the release of HTCondor 8.8.13. A stable series release contains significant bug fixes. Highlights of this release are: condor_ssh_to_job now maps CR and NL to work with editors like nano; Improved the performance of data transfer in condor_ssh_to_job; HA replication now accepts SHA-2 checksums to prepare for MD5 removal; Submission to NorduGrid ARC CE works with newer ARC CE versions; Fixed condor_annex crashes on platforms with newer compilers; Fixed "use feature: GPUsMonitor" to locate the monitor binary on Windows; Fixed a bug that prevented using the "@" character in an event log path. More details about the fixes can be found in the Version History. HTCondor 8.8.13 binaries and source code are available from our Downloads page.

The HTCondor team is pleased to announce the release of HTCondor 8.9.11. These releases contain important fixes for security issues. Affected users should update as soon as possible. More details on the security issues are in the Vulnerability Reports:

• HTCONDOR-2021-01
• HTCONDOR-2021-02

HTCondor binaries and source code are available from our Downloads page.