News from last month (2026/08 edition) Sep 8, 2026 Scala/Java Why is Arrays.fill 265 times slower on G1GC? How we improved APM Java startup by encoding a prefix trie as a JVM constant - Datadog Value Classes Still Need Compiler Sympathy Data DuckDB Internals: Why is DuckDB Fast? - Greybeam AI Capsule : How I came to build an Agentic Developer Environment at Teads Other BetterBranch: A tiny Git helper - Ben’s Build and B(r)ass Notes