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Chapter 2. December 2025
2.1. Product-wide updates
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Published blogs and resources
- Blog: How to set up Red Hat Red Hat Lightspeed Model Context Protocol by Samiksha Saxena (December 1, 2025)
- Blog: Disconnected experiences for Red Hat Red Hat Lightspeed are now available in Red Hat Satellite 6.18 by Shane McDowell (December 8, 2025)
- Blog: Beyond modularity and other upgrades: The game-changer for your IT planning by Scott McCarty and Rebecca Combs (December 17, 2025)
- Video: Using AI to query Red Hat Red Hat Lightspeed by John Spinks
- KCS: Tracking Activation Keys for Registered RHEL Systems
- KCS: Why a host was automatically deleted from the Red Hat Hybrid Cloud Console Inventory within 30 days despite custom staleness and deletion configuration
KCS: Integrate Red Hat Red Hat Lightspeed with Model Context Protocol (MCP)
2.2. Red Hat Enterprise Linux updates
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2.2.1. Inventory
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UI fixes and improvements
The following updates and fixes have been made for inventory:
- System Details Layout: Separate Overview and Details tabs now contain system details. This improves navigation and aligns consistency with Red Hat Satellite.
-
Last Seen Logic: The Last seen field now accurately reflects the system’s
last_check_intime rather than the updated timestamp. - Link Repairs: Fixed broken links previously found in Inventory information popovers.
- Tag Filtering: Resolved an issue where filtering by tags would fail after loading additional tags (selecting more tags available).
2.2.2. Remediations
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UI fixes and improvements
The following updates and fixes have been made for remediations:
- Playbook Generation:compliance service playbooks are now generated in the expected order when the issue precedence field is used.
2.2.3. advisor
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New recommendations released
The Red Hat Lightspeed advisor service now detects and recommends solutions for the following issues:
- Resizing Ext4 file systems on logic volumes fails due to a known issue in e2fsprogs
- Performance degradation occurs due to a timer set issue when the CIFS file system is mounted
-
Unprivileged users cannot login via SSH while the
/run/nologinfile is present - The creation of VDO LVs fails due to the kvdo module being unloadable
- Kernel panic occurs due to retry IO on failed protocol negotiations when utilizing a CIFS share mounted via autofs
- VM crash occurs due to an incorrect handling of tail pages in THP_SWAP
- Rescue kernel regeneration fails due to missing boot loader entries
- The systems cannot access the content from CDN when the RHSM configuration is not updated based on changes about Red Hat Content Delivery Network (CDN) & Entitlement Network Modernization
2.2.4. Image Builder
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Compliance integration support
Integration with Red Hat Lightspeed compliance for custom policies, enforcement, and reporting is now fully supported for production use.
Repeatable builds support
Image Builder can now generate builds from Red Hat Lightspeed Content Templates in Preview mode, offering greater control and expanded content repository options during the build process.
UI fixes and improvements
- Registration visibility: The registration step is no longer collapsed by default and now displays all available options.
- Activation Key details: Added a View details button to Activation Keys, allowing users to view attributes for the selected key.
- Terminology update: The Compliance section has been renamed to Security.
- RHEL 10 Support: CIS and other OpenSCAP benchmark profiles are now available for RHEL 10.
- Partitioning Modes: Standard disk partitioning now allows selection from Auto-LVM, Raw, or LVM modes.
- Minimum Disk Size: Users can now specify a minimum disk size for advanced partitioning.
- Volume Management: Added the ability to create and name Volume Groups and Logical Volumes (LVM).
- EPEL Support: Use of the common EPEL community repository for image builds is now fully supported for production use. This removes the requirement for you to manually define the EPEL community repository as a custom repo.
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