v1.45.0

Release Highlights

• Fix containerd-2.0 settings for max_concurrent_downloads (bottlerocket-core-kit#623)

OS Changes

• Restrict kubelet's exec-start file permission to 0600 (#4574)
• Restrict kubelet-server.key file permission to 0600 (#4599)
• Update admin container from 0.12.1 to 0.12.2 CHANGELOG (commits) (#4612)
• Update bootstrap container from 0.2.4 to 0.2.5 CHANGELOG (commits) (#4612)
• Update control container from 0.8.6 to 0.8.7 CHANGELOG (commits) (#4612)
• Update bottlerocket-kernel-kit from 3.3.1 to 4.0.1 CHANGELOG (commits)(#4613)
• Update bottlerocket-core-kit from 10.0.1 to 10.1.2 CHANGELOG (commits)(#4615, #4616, #4619)

v1.44.0

Release Highlights

• Remove aws-k8s-1.27 and aws-ecs-1 variants (#4598)
• Fix file descriptor leak in apiserver exec (bottlerocket-core-kit#595)
• Add soci-snapshotter support to kubernetes variants (#4593)
  • Configure soci-snapshotter for parallel pull unpack feature (bottlerocket-core-kit#569)
  • Optionally configure containerd and kubelet with soci-snapshotter via drop-in configuration files (bottlerocket-core-kit#576)
  • Extend selinux-policy to cover soci-snapshotter (bottlerocket-core-kit#579)
  • Add configure-snapshotter.service to reset state directories of snapshotters on boot when selected snapshotter changes (bottlerocket-core-kit#582)
  • Apply upstream patches to soci-snapshotter (bottlerocket-core-kit#599)
  • Drop CLI from soci-snapshotter (bottlerocket-core-kit#569)

OS Changes

• Update bottlerocket-core-kit from 9.2.1 to 10.0.1 CHANGELOG (commits) (#4605, #4609)
• Update bottlerocket-kernel-kit from 3.2.1 to 3.3.1 CHANGELOG (commits) (#4604)

Build Changes

• Add reset-single-test testsys command (#4581)

Orchestrator Changes

Kubernetes

• Add soci-snapshotter support to kubernetes variants (#4593)
• Remove aws-k8s-1.27 variants (#4598)

ECS

• Remove aws-ecs-1 variants (#4598)

v1.43.0

OS Changes

• Update bottlerocket-core-kit from 9.1.0 to 9.2.1 (commits)(#dee811f6)
• Update bottlerocket-kernel-kit from 3.1.1 to 3.2.1 (commits)(#d6d31d6c)
• Update admin container from 0.12.0 to 0.12.1 CHANGELOG (commits) (#4590)
• Update bootstrap container from 0.2.3 to 0.2.4 CHANGELOG (commits) (#4590)
• Update control container from 0.8.5 to 0.8.6 CHANGELOG (commits) (#4590)

Build Changes

• Update bottlerocket-sdk from 0.62.0 to 0.63.0 (commits) (#4592)

Twoliter

• Update twoliter from 0.10.1 to 0.11.0 CHANGELOG (commits) (#4594)

v1.42.0

Release Highlights

• Add support for kubernetes memory-swap-behavior (#4566, bottlerocket-core-kit#541, bottlerocket-settings-sdk#88) - Thanks @teskje!

OS Changes

• Update bottlerocket-core-kit from 9.0.0 to 9.1.0 CHANGELOG (commits) (#4569)
• Update bottlerocket-kernel-kit from 3.1.0 to 3.1.1 CHANGELOG (commits) (#4570)
• Update admin container from 0.11.20 to 0.12.0 CHANGELOG (commits) (#4565)
• Update bootstrap container from 0.2.2 to 0.2.3 CHANGELOG (commits) (#4565)
• Update control container from 0.8.4 to 0.8.5 CHANGELOG (commits) (#4565)

Orchestrator Changes

Kubernetes

• Support kubernetes memory-swap-behavior setting #4566 - Thanks @teskje!

v1.41.0

Release Highlights

• Remove aws-k8s-1.26 variants (#4519, #4536)
• Add zramctl to util-linux package (bottlerocket-core-kit#543)
• Enable LTO and arch-specific optimizations (bottlerocket-sdk#276, bottlerocket-core-kit#526)
• Provide Vulkan ICD configuration files for variants using the 6.1 and 6.12 kernels (bottlerocket-kernel-kit#138) - Thanks, @iterion!
• Build GRUB with optimizations (bottlerocket-kernel-kit#163)
• Provide libnvidia-gpucomp.so (bottlerocket-kernel-kit#181) - Thanks, @tzmtl!

OS Changes

• Update bottlerocket-core-kit from 8.2.0 to 9.0.0 CHANGELOG (commits) (#4561)
• Update bottlerocket-kernel-kit from 2.5.1 to 3.1.0 CHANGELOG (commits) (#4561)
• Drop setting generator for hugepages (#4411)

Build Changes

• Update bottlerocket-sdk from 0.61.0 to 0.62.0 (commits) (#4561)

Orchestrator Changes

Kubernetes

• Remove aws-k8s-1.26 variants (#4519, #4536)
• Fix image patterns for ECR dual-stack endpoint (#4518) - Thanks @rxnew, @cartermckinnon!

v1.40.0

Release Highlights

• Migrate ECS to use CDI (bottlerocket-core-kit#482)
• Support CDI and legacy NVIDIA Container Runtime modes (#4475)
• Add NVLink Subnet Manager to support NVIDIA B200 (bottlerocket-core-kit#499, bottlerocket-kernel-kit#142)

OS Changes

• Update bottlerocket-core-kit from 8.1.1 to 8.2.0 CHANGELOG (commits) (#4532)
• Update bottlerocket-kernel-kit from 2.3.3 to 2.5.1 CHANGELOG (commits) (#4537)
• Update bootstrap container from 0.2.1 to 0.2.2 CHANGELOG (commits) (#4535)
• Update control container from 0.8.3 to 0.8.4 CHANGELOG (commits) (#4535)

v1.39.1

OS Changes

• Update bottlerocket-core-kit from 8.1.0 to 8.1.1 CHANGELOG (commits) (#4522)

Build Changes

Twoliter

• Update twoliter from 0.10.0 to 0.10.1 CHANGELOG (commits) (#4523)

v1.39.0

Release Highlights

• Provide containerd-2.0 and containerd-1.7 (bottlerocket-core-kit#485)
• Add new k8s 1.33 variants (#4507, #4513):
  • Add aws-k8s-1.33, aws-k8s-1.33-nvidia, aws-k8s-1.33-fips, vmware-k8s-1.33, and vmware-k8s-1.33-fipsvariants
  • FIPS variants use 6.1 kernel, all others use 6.12 kernel
  • Use EROFS for root filesystem on Kernel 6.12 variants
  • Use containerd-2.0 on all k8s 1.33 variants
  • Use EBS volume gp3 for all AWS k8s 1.33 variant AMIs
  • Require IMDSv2 by default for new k8s 1.33 variant AMIs. For applications not yet compatible
    with IMDSv2, this can be disabled at the instance or account level. See
    the AWS documentation
    for more details.

OS Changes

• Update bottlerocket-core-kit from 8.0.0 to 8.1.0 CHANGELOG (commits) (#4510)
• Update bottlerocket-kernel-kit from 2.3.0 to 2.3.3 CHANGELOG (commits) (#4508)
• Update admin container from 0.11.19 to 0.11.20 CHANGELOG (commits) (#4509)
• Update bootstrap container from 0.2.0 to 0.2.1 CHANGELOG (commits) (#4509)
• Update control container from 0.8.2 to 0.8.3 CHANGELOG (commits) (#4509)

Orchestrator Changes

Kubernetes

• Add aws-k8s-1.33, aws-k8s-1.33-nvidia, aws-k8s-1.33-fips, vmware-k8s-1.33, and vmware-k8s-1.33-fipsvariants (#4507)
• Add new Kubernetes settings (#4506)
  • containerLogMaxWorkers
  • containerLogMonitorInterval
  • singleProcessOOMKill

Build Changes

• Use GP3 volumes and require IMDSv2 by default for AWS k8s 1.33 variant AMIs. (#4513)

Twoliter

• Update twoliter from 0.9.0 to 0.10.0 CHANGELOG (commits) (#4512)

v1.38.0

Release Highlights

• Move aws-ecs-2-nvidia, aws-k8s-1.28-nvidia, aws-k8s-1.29-nvidia, aws-k8s-1.30-nvidia, aws-k8s-1.31-nvidia, and aws-k8s-1.32-nvidia variants from NVIDIA r535 driver to r570 driver (#4499, #4441)
• Remove aws-k8s-1.25 variants (#4497, #4496)

OS Changes

• Update bottlerocket-core-kit from 7.0.1 to 8.0.0 CHANGELOG (commits) (#4501)
• Update bottlerocket-kernel-kit from 2.2.2 to 2.3.0 CHANGELOG (commits) (#4498)

Build Changes

• Pass missing vars to sbkeys script (#4493)

v1.37.0

Release Highlights

• Add brush to enable aws-signing-helper and IAM Roles Anywhere usage (bottlerocket-core-kit#451)
• Clear configuration-files and services on upgrades (bottlerocket-core-kit#456)
• Remove shimpei and oci-add-hooks (bottlerocket-core-kit#458)
• Use the NVIDIA Container Runtime to configure GPUs for containers (bottlerocket-core-kit#458)
• Update runc from 1.1.15 to 1.2.6 (bottlerocket-core-kit#463)
• Allow lookups of .local domains using unicast DNS (bottlerocket-core-kit#464) - Thanks @tzneal!
• Let kubelet start when swap is on (bottlerocket-core-kit#473)

OS Changes

• Remove unnecessary settings for OCI Hooks API (#4474)
• Update migrations to delete configuration-files and services on downgrade (#4478)
• Update bottlerocket-core-kit from 6.2.0 to 7.0.1 CHANGELOG (commits) (#4471, #4485, #4490)
• Update bottlerocket-kernel-kit from 2.1.0 to 2.2.2 CHANGELOG (commits) (#4485, #4489)
• Update admin container from 0.11.18 to 0.11.19 CHANGELOG (commits) (#4476)
• Update bootstrap container from 0.1.3 to 0.2.0 CHANGELOG (commits) (#4476)
• Update control container from 0.8.1 to 0.8.2 CHANGELOG (commits) (#4476)

Build Changes

• Update Rust dependencies (#4468, #4469)
• Update secure boot keys to include aws-partition & ca-signing-algo arguments (#4450)
• Update bottlerocket-sdk from 0.60.0 to 0.61.0 (commits) (#4485)

Twoliter

• Update twoliter from 0.8.1 to 0.9.0 CHANGELOG (commits) (#4484)