Apache Spark 4.2 vs 4.1: CDC, Geospatial and Arrow-by-Default Risks
Spark 4.2 adds a SQL CHANGES clause, GEOMETRY/GEOGRAPHY types and Arrow Python UDFs by default. What changed from 4.1 and what breaks on upgrade.
Terraform 1.16 vs OpenTofu 1.13: Where the IaC Forks Now Diverge
Terraform 1.16 adds store blocks, import-in-modules and destroy=false; OpenTofu 1.13 RC adds linting and drops WinRM. Feature-by-feature upgrade guide.
LeRobot v0.6 vs v0.5: What Changed and How to Migrate
LeRobot v0.6 vs v0.5: world-model policies, GR00T N1.7, lerobot-rollout with DAgger, reward models, six benchmarks, and every breaking change.
OpenVINO 2026.4 vs 2025.4: What Changed for Edge LLMs and NPUs
OpenVINO 2026.4 vs 2025.4: EAGLE-3 and MTP speculative decoding, MoE disk offload, FP8 in NNCF, NPU changes, and the APIs removed in 2026.
Jetson Orin Nano 2 vs Orin Nano Super: 2x Inference, Same Socket
Jetson Orin Nano 2 vs Orin Nano Super: 78 TOPS, 8 GB, 8 CPU cores, 40% less power at 15 W, and what NVIDIA's 2x inference claim really means.
OPC UA 1.03 vs 1.05: Certification Ends 2026, Migration Guide
OPC Foundation ends OPC UA 1.03 certification at end of 2026. What 1.04/1.05 changed (ECC, JSON, roles, GDS) and how to migrate your products.
OpenPLC Runtime v4 vs v3: What Changed and How to Migrate (2026)
OpenPLC v3 is end-of-life. Compare v4 vs v3 architecture, REST/JWT API, plugins (Modbus, OPC UA, EtherCAT, S7), retain in v4.2 and a migration plan.
ClickHouse 26.8 LTS vs 26.3: Pipelined SQL, Iceberg Writes and Upgrade Risk
ClickHouse 26.8 LTS adds the pipe operator, Iceberg writes to S3 Tables, Puffin deletion vectors and atomic POPULATE. What to test before you upgrade.
World Action Models vs VLAs: Cosmos 3, VLA-JEPA and FastWAM Compared
World action models learn to imagine, then act. How Cosmos 3, VLA-JEPA and FastWAM differ from VLAs, what they cost to train, and where each runs.
Cilium 1.20 ExternalAuth vs oauth2-proxy vs Istio AuthorizationPolicy
Cilium 1.20 ships the Gateway API ExternalAuth filter from GEP-1494. How it compares with oauth2-proxy and Istio, and why Experimental matters.