📰 Dev.to · daniel jeong
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⚡ AI Lessons

Dev.to · daniel jeong
2w ago
Inside the Trivy Supply Chain Compromise (CVE-2026-33634): 76 Hijacked Tags, Runner.Worker Memory Secret Theft & SHA Pinning
cover_image: "https://iili.io/CKa8zxt.png"

Dev.to · daniel jeong
2w ago
LangGraph 1.2 Deep Dive — Per-Node Timeouts, Error Handlers, Graceful Shutdown, DeltaChannel & Streaming v3
When you move an AI agent from demo to production, the first thing to break is almost always the **long-running** path. An LLM call hangs at 30 second

Dev.to · daniel jeong
3w ago
Next.js 16 Deep Dive — Cache Components with use cache, Turbopack as the Default Bundler, middleware to proxy.ts, and 16.2's AI-Native DevTools
> - Next.js 16 went GA on **October 21, 2025**, then evolved through **16.1** and the March 18, 2026 **16.2** into the 16.2.x patch line shipping as o

Dev.to · daniel jeong
3w ago
Valkey 9.1 Deep Dive — Database-Level ACLs, Lua-as-a-Module, and a New I/O Threading Model Hitting 2.1M RPS
> - Valkey 9.1.0 (May 19, 2026) is the first minor release after the 9.0 GA, with 80+ contributors hardening security, observability, performance, eff

Dev.to · daniel jeong
3w ago
Crossplane v2.3 Deep Dive — High-Fidelity Render Engine, Provider Deletion Protection, Reconciliation Annotations, and CLI Separation
On **May 21, 2026**, the Crossplane maintainers shipped **v2.3.0**, the quarterly release that — for the first time in the v2 series — turned the "pro

Dev.to · daniel jeong
3w ago
Spinnaker 2026.1.0 Emergency Patch — CVE-2026-32613 Echo SpEL RCE + CVE-2026-32604 Clouddriver Gitrepo Shell Injection
On April 20, 2026, the Spinnaker security team simultaneously disclosed two CVSS 9.9 Critical remote code execution vulnerabilities. The first is **CV

Dev.to · daniel jeong
1mo ago
PostgreSQL 18.4 Deep Dive — 11 CVE Patches, io_uring Async I/O (3x Faster), OAuth 2.0, UUIDv7, and Temporal Constraints
On May 14, 2026, the PostgreSQL Global Development Group released **18.4** alongside 17.10, 16.14, 15.18, and 14.23. On the surface it looks like the

Dev.to · daniel jeong
1mo ago
Istio 1.30 Deep Dive — Agentgateway, Ambient Multicluster, TrafficExtension API, and 4 CVE Patches (JWKS RSA Leak, XDS Debug Auth)
On May 18, 2026, the Istio community shipped **Istio 1.30.0** alongside backports 1.29.3 and 1.28.7. On the surface it's a regular quarterly release,

Dev.to · daniel jeong
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
Bun 1.3 + Anthropic Rust Rewrite — Bun.SQL, Bun.Image, HTTP/3 QUIC, and a 6-Day 960K-Line Zig Rust Port
On **May 14, 2026**, the Bun team — now part of Anthropic — merged a pull request that ported **roughly 960,000 lines of Zig code to Rust**. Work bega

Dev.to · daniel jeong
1mo ago
CVE-2026-31431 'Copy Fail' Deep Dive — Linux Page-Cache Bug and AF_ALG Kubernetes Container Escape
On April 29, 2026, Theori researcher Taeyang Lee disclosed **CVE-2026-31431 "Copy Fail"** — on the surface another Linux kernel LPE (CVSS 7.8), but in

Dev.to · daniel jeong
1mo ago
Argo CD 3.4 Deep Dive — Cluster-Scoped Pause Reconciliation, Helm Value Globs, App List Filters, and Helm 3.19 Kubernetes-Version Label Migration
Argo CD 3.4 just went GA in early May 2026. We break down the cluster-scoped Pause Reconciliation annotation, Helm valueFiles wildcard glob patterns, Annotation

Dev.to · daniel jeong
1mo ago
OpenTelemetry Profiles Public Alpha: eBPF Fourth Signal, Collector v0.151.0 and OpAMP Fleet Management for 2026
On March 26, 2026 the CNCF announced **the Public Alpha of the OpenTelemetry Profiles signal**. After metrics, traces, and logs, **continuous profilin

Dev.to · daniel jeong
1mo ago
Falco 0.43 Deep Dive — Legacy eBPF, gVisor, gRPC Deprecation and Cosign v3 Bundles Redefining 2026 Kubernetes Runtime Security
On January 26, 2026, the CNCF Graduated project **Falco** shipped 0.43.0, followed by patch release 0.43.1 on April 9. The previous minor 0.42.0 had a

Dev.to · daniel jeong
1mo ago
Amazon EKS Hybrid Nodes Gateway Deep Dive: VXLAN, Cilium VTEP, and Lease-Based Leader Election Redefining Hybrid Kubernetes Networking
On April 28, 2026, alongside the OpenAI–Bedrock partnership announcement at the **What's Next with AWS 2026** keynote, AWS quietly delivered one of th

Dev.to · daniel jeong
⚡ AI Lesson
1mo ago
AWS Lambda S3 Files — The Complete Guide: EFS-Backed S3 Mounts Are Rewriting Serverless Architecture and the Agentic AI Workload Standard
Lambda S3 Files (GA April 21, 2026) lets Lambda functions mount S3 buckets as POSIX file systems, dissolving the /tmp 10GB ceiling and the forced statelessness

Dev.to · daniel jeong
1mo ago
OpenTelemetry eBPF Instrumentation (OBI) — The Complete Guide: KubeCon EU 2026 Beta Launch, Zero-Code Observability, and the 1.0 GA Roadmap
> **Published on the ManoIT Tech Blog (Korean original).** On April 2026 at KubeCon + CloudNativeCon Europe in Amsterdam, Splunk formally announced th

Dev.to · daniel jeong
2mo ago
Terraform 1.14 — The Complete Guide to List Resources (.tfquery.hcl), Actions Block, and `terraform query`: IaC's First Paradigm Shift in 5 Years
Terraform 1.14 (Nov 2025 GA, patched to 1.14.9 in April 2026) introduces List Resources for bulk discovery/import and Actions Block with lifecycle triggers and

Dev.to · daniel jeong
2mo ago
Flux 2.8 GA — Helm v4 Server-Side Apply, MTTR Cuts, CEL Health Checks, and the 2026 GitOps Standard
> **Published on ManoIT Tech Blog (Korean original).** On February 24, 2026 the Flux project shipped v2.8.0 GA. This is not a minor release — Helm v4

Dev.to · daniel jeong
2mo ago
Claude Managed Agents — The Complete Guide: Brain/Hands/Session Architecture, MCP Connectors, and Multi-Agent Orchestration
> **Published on ManoIT Tech Blog (Korean original).** On April 8, 2026 Anthropic launched Claude Managed Agents — a fully hosted agent harness that h

Dev.to · daniel jeong
2mo ago
Complete Guide to Kubernetes 1.36: DRA GA, OCI VolumeSource, MutatingAdmissionPolicy, and Production Upgrade Checklist
Kubernetes v1.36 ships on April 22, 2026. This release brings **Dynamic Resource Allocation (DRA) to GA**, **OCI VolumeSource to Stable**, and **Mutat

Dev.to · daniel jeong
📣 Digital Marketing & Growth
⚡ AI Lesson
2mo ago
Complete Guide to Valkey 8.1 vs Redis 8.0 — The 2026 In-Memory Datastore Fork War and Production Migration Strategy
In March 2024, Redis Ltd. switched its open-source license from BSD-3-Clause to SSPL/RSALv2 dual licensing, sending shockwaves through the open-source

Dev.to · daniel jeong
2mo ago
CVE-2026-33105 AKS CVSS 10.0 Emergency Analysis and Complete Guide to Managed Kubernetes Zero Trust Security
On April 3, 2026, Microsoft disclosed **CVE-2026-33105** — a **CVSS 10.0 (Critical)** privilege escalation vulnerability in Azure Kubernetes Service (

Dev.to · daniel jeong
2mo ago
Complete Guide to GitHub Actions 2026 Security Roadmap — Dependency Locking, Native Egress Firewall, and Scoped Secrets
In March 2025, the **tj-actions/changed-files** supply chain attack compromised **over 23,000 repositories**. Attackers stole a PAT from reviewdog/act

Dev.to · daniel jeong
2mo ago
Complete Guide to API Gateway Design Patterns in 2026 — Multi-Protocol Strategy and the Rise of MCP Gateways
In 2026, the question in API architecture has shifted from "which protocol should we choose?" to "how do we manage multiple protocols together?" REST
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