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4.21.0-0.okd-scos-nightly-2026-03-20-214930

Download installer and client with:

oc adm release extract --tools registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-nightly-2026-03-20-214930
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Upgrades to:

Unable to show full changelog: could not get image info for from pullSpec registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-nightly-2026-03-20-094929: could not get image info for registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-nightly-2026-03-20-094929: runtime/cgo: pthread_create failed: Resource temporarily unavailable SIGABRT: abort PC=0x7fb15a5c1edc m=0 sigcode=18446744073709551610 goroutine 0 gp=0x86003c0 m=0 mp=0x8602640 [idle]: runtime: g 0 gp=0x86003c0: unknown pc 0x7fb15a5c1edc stack: frame={sp:0x7ffeec4acea0, fp:0x0} stack=[0x7ffeebcbb000,0x7ffeec4ad400) 0x00007ffeec4acda0: 0x0000000001cabf33 0x00007ffeec4acdd0 0x00007ffeec4acdb0: 0x00007ffeec4acde0 0x000000000003b2ea 0x00007ffeec4acdc0: 0x00000000085251c0 0x0000000000021301 0x00007ffeec4acdd0: 0x0000000000000000 0x00007ffeec4ace98 0x00007ffeec4acde0: 0x0000000001c7476d 0x00007fb15a453c00 0x00007ffeec4acdf0: 0x00007ffeec4ace28 0x0000000001ca6549 0x00007ffeec4ace00: 0x00007ffeec4ace78 0x0000000001cac2f2 0x00007ffeec4ace10: 0x0006cc0036600000 0x0007f8003fc00000 0x00007ffeec4ace20: 0x0000000000000000 0x0000000000000012 0x00007ffeec4ace30: 0x0000000000000003 0x0000000000000000 0x00007ffeec4ace40: 0x0000000000002030 0x0000000000002031 0x00007ffeec4ace50: 0x0000000000000003 0x0000000000000000 0x00007ffeec4ace60: 0x00007fb15a5bda00 0x000000001c000004 0x00007ffeec4ace70: 0x00007fb15a574bf0 0x00007fb15a5cf539 0x00007ffeec4ace80: 0x0000000000000000 0x0000000000000011 0x00007ffeec4ace90: 0x0000000000000130 0x00007fb15a5c1ece 0x00007ffeec4acea0: <0x0000000000000120 0x00007ffeec4ad0b8 0x00007ffeec4aceb0: 0x00007ffe00000013 0x00007ffeec4ad0c8 0x00007ffeec4acec0: 0x00007ffeec4ad0f8 0x0000000000000004 0x00007ffeec4aced0: 0x0000003400000013 0x00007fb15a645151 0x00007ffeec4acee0: 0x00007fb113900640 0x00007ffeec4ad1b0 0x00007ffeec4acef0: 0x00007ffeec4ad01e 0x00007ffeec4ad01f 0x00007ffeec4acf00: 0x00007fb113900640 0x00007fb15a5bfd85 0x00007ffeec4acf10: 0x00007fb15a72ec80 0x0000000000000120 0x00007ffeec4acf20: 0x00000000003d0f00 0x7d511fef59346100 0x00007ffeec4acf30: 0x00007fb15a533740 0x0000000000000006 0x00007ffeec4acf40: 0x0000000009f472a0 0x00007ffeec4ad270 0x00007ffeec4acf50: 0x00000000086003c0 0x00007fb15a574b46 0x00007ffeec4acf60: 0x00007fb15a72fe90 0x00007fb15a55e833 0x00007ffeec4acf70: 0x0000000000000020 0x7d511fef59346100 0x00007ffeec4acf80: 0x00007fb113100000 0x00007fb113900640 0x00007ffeec4acf90: 0x0000000000000000 0x000000000000000b runtime: g 0 gp=0x86003c0: unknown pc 0x7fb15a5c1edc stack: frame={sp:0x7ffeec4acea0, fp:0x0} stack=[0x7ffeebcbb000,0x7ffeec4ad400) 0x00007ffeec4acda0: 0x0000000001cabf33 0x00007ffeec4acdd0 0x00007ffeec4acdb0: 0x00007ffeec4acde0 0x000000000003b2ea 0x00007ffeec4acdc0: 0x00000000085251c0 0x0000000000021301 0x00007ffeec4acdd0: 0x0000000000000000 0x00007ffeec4ace98 0x00007ffeec4acde0: 0x0000000001c7476d 0x00007fb15a453c00 0x00007ffeec4acdf0: 0x00007ffeec4ace28 0x0000000001ca6549 0x00007ffeec4ace00: 0x00007ffeec4ace78 0x0000000001cac2f2 0x00007ffeec4ace10: 0x0006cc0036600000 0x0007f8003fc00000 0x00007ffeec4ace20: 0x0000000000000000 0x0000000000000012 0x00007ffeec4ace30: 0x0000000000000003 0x0000000000000000 0x00007ffeec4ace40: 0x0000000000002030 0x0000000000002031 0x00007ffeec4ace50: 0x0000000000000003 0x0000000000000000 0x00007ffeec4ace60: 0x00007fb15a5bda00 0x000000001c000004 0x00007ffeec4ace70: 0x00007fb15a574bf0 0x00007fb15a5cf539 0x00007ffeec4ace80: 0x0000000000000000 0x0000000000000011 0x00007ffeec4ace90: 0x0000000000000130 0x00007fb15a5c1ece 0x00007ffeec4acea0: <0x0000000000000120 0x00007ffeec4ad0b8 0x00007ffeec4aceb0: 0x00007ffe00000013 0x00007ffeec4ad0c8 0x00007ffeec4acec0: 0x00007ffeec4ad0f8 0x0000000000000004 0x00007ffeec4aced0: 0x0000003400000013 0x00007fb15a645151 0x00007ffeec4acee0: 0x00007fb113900640 0x00007ffeec4ad1b0 0x00007ffeec4acef0: 0x00007ffeec4ad01e 0x00007ffeec4ad01f 0x00007ffeec4acf00: 0x00007fb113900640 0x00007fb15a5bfd85 0x00007ffeec4acf10: 0x00007fb15a72ec80 0x0000000000000120 0x00007ffeec4acf20: 0x00000000003d0f00 0x7d511fef59346100 0x00007ffeec4acf30: 0x00007fb15a533740 0x0000000000000006 0x00007ffeec4acf40: 0x0000000009f472a0 0x00007ffeec4ad270 0x00007ffeec4acf50: 0x00000000086003c0 0x00007fb15a574b46 0x00007ffeec4acf60: 0x00007fb15a72fe90 0x00007fb15a55e833 0x00007ffeec4acf70: 0x0000000000000020 0x7d511fef59346100 0x00007ffeec4acf80: 0x00007fb113100000 0x00007fb113900640 0x00007ffeec4acf90: 0x0000000000000000 0x000000000000000b goroutine 1 gp=0xc000002380 m=0 mp=0x8602640 [running]: runtime.systemstack_switch() /usr/lib/golang/src/runtime/asm_amd64.s:478 +0x8 fp=0xc0000aa750 sp=0xc0000aa740 pc=0x1cc6488 runtime.main() /usr/lib/golang/src/runtime/proc.go:173 +0x67 fp=0xc0000aa7e0 sp=0xc0000aa750 pc=0x1c87247 runtime.goexit({}) /usr/lib/golang/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0000aa7e8 sp=0xc0000aa7e0 pc=0x1cc84a1 rax 0x0 rbx 0x7fb15a533740 rcx 0x7fb15a5c1edc rdx 0x6 rdi 0x143439 rsi 0x143439 rbp 0x143439 rsp 0x7ffeec4acea0 r8 0x7ffeec4acf70 r9 0x7fb15a6e5d40 r10 0x8 r11 0x246 r12 0x6 r13 0x7ffeec4ad270 r14 0x86003c0 r15 0xffffffffffffffff rip 0x7fb15a5c1edc rflags 0x246 cs 0x33 fs 0x0 gs 0x0

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