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Kubernetes v1.21.4

Kubernetes: v1.21.4 Release

Release date:
August 11, 2021
Previous version:
v1.21.4-rc.0 (released July 15, 2021)
Magnitude:
1,967 Diff Delta
Contributors:
19 total committers
Data confidence:
Commits:
30 impacting commits

64 Features Released with v1.21.4

Revert "Cleanup portforward streams after their usage" [1.21]
#102587
ReadWriteOncePod access mode for PVs and PVCs
#102028
fix: cleanup outdated routes
#102935
remove listx from OWNERS_ALIASES
#104261
storage e2e: automate hostpath YAML updates, update sidecars but not driver
#100637
Adding IPV6 (Dual Stack) support to handle IPV6 pod cidrs
#101154
Revert "Cleanup portforward streams after their usage" [1.19]
#102588
Simplify construction of the fake dynamic client
#102928
Fix closing of decorated watcher channel on timeout
#102539
[cherry pick to 1.22] Start the informerFactory in the ControllerContext
#104081
Update pd csi driver images to use v1 images (CSINode, CSIDriver, etc)
#102212
kubelet: do not call RemoveAll on volumes directory for orphaned pods
#102576
Fix scheduler extenders being not called on preemptions
#103019
Get inodes and disk usage via pure go
#96115
Updated to use konnectivity client v0.0.21, and implemented placehold…
#103126
fix: return empty VMAS name if using standalone VM
#103470
fix: delete non existing disk issue
#102083
[Flaky Test] [sig-network] ESIPP [Slow] should work for type=NodePort
#103058
let objects without metadata pass through the managedFields admission controller
#101611
Fix disruptive subPath test failures
#103937
Skip NVidia GPU test in node e2e CI jobs for containerd and other runtimes
#104100
strip prefix 'v' in coredns version if exists
#100353
[1.21][go1.16] Update to go1.16.7
#104201
Fix panic in master upgrade tests
#103733
Run ubernetes tests on gke only
#103160
Cherry pick of #100110: Cherry pick #537 from cloud provider azure: Refresh VM cache when node is not found and #102935: fix: cleanup outdated routes
#102983
Automated cherry pick of #103733 upstream release 1.21
#103734
Cherry pick of #103470: fix: return empty VMAS name if using standalone VM
#103599
Fix a typo in comment
#103832
disable aufs module
#103831

Browse Other Releases

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v1.21.4 Released August 11, 2021
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v1.21.4-rc.0 Released July 15, 2021
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Top Contributors in v1.21.4

pohly
dprotaso
nilo19
mattcary
liggitt
ravisantoshgudimetla
kebe7jun
wojtek-t
lizhuqi
andyzhangx

Directory Browser for v1.21.4

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Release Notes Published

See kubernetes-announce@. Additional binary downloads are linked in the CHANGELOG.

See the CHANGELOG for more details.

Release Assets

<table> <tr><td colspan="2"><b>Kubernetes Source Code: </b> kubernetes.tar.gz</td><tr> <tr><td>SHA256</td><td>4c9b918958276ca01a5c93925c8954c8ac343a8bbfc4afa0f8391c95e9bfe727</td></tr> <tr><td>SHA512</td><td>e0651f30e883194bcfa59cf57dbb40f853f9e84e79472f35db75e37af09f63de1ed960694376e623e5d176dc23c064b74311cde28d32af53aac0b0d4c0649949</td></tr> </table>

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