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Vercel Sandbox expands from four regions to all 20 — with ordered failover

For agent and untrusted-code workloads, the useful change is not simply lower latency. Sandbox location becomes an explicit execution policy, so teams can align code execution with nearby data and avoid a resilience fallback quietly moving work outside an allowed region.

Railway makes MySQL automatic failover generally available with Group Replication and HAProxy

Railway’s managed MySQL path can now gain automatic failover without rebuilding the database elsewhere. The trade-off is real operational complexity: conversion briefly drops connections, hard-coded URLs need manual repair, replicas are for failover rather than read scaling, and each extra database/proxy node consumes billable resources.

Buttondown cut its database from 2TB to 750GB by deleting three legacy tables

Buttondown’s 'Great Pruning' is a small-SaaS operations story about deleting architecture rather than adding it. The company removed duplicated or over-retained request and email-event data after changing how those workloads were processed.

Railway makes Postgres recovery, HA and pooling machine-operable from its CLI

Agents and operations tooling can inspect HA health, trigger switchovers, restore to a timestamp and change connection pooling from one machine-readable surface. That increases automation power, but recovery actions still create real operational boundaries such as brief failover interruption and forked PITR services.

Cloudflare Containers exposed previous tenants’ disk data through unzeroed blocks

This was not a Firecracker escape or access to a live victim disk. It was a storage-isolation failure underneath the sandbox: researchers recovered foreign directory structures, database pages and complete SQLite databases from reused blocks, and Cloudflare had to fix allocation plus retire existing disks and cached snapshots.