# tmp.trevorblackman.dev > Temporary pages and small static things published by Trevor Blackman. Each document below links to its plain Markdown version; the same content is at the URL without index.md for humans. ## Documents - [Publish static files to your own Cloudflare subdomain](https://tmp.trevorblackman.dev/publish-guide/index.md): A minimal workflow for throwing quick HTML pages and static demos onto a public URL you control, free, in seconds, with easy takedown later. - [MTE Relay V5 for developers: what changed from V4 and why](https://tmp.trevorblackman.dev/relay-v5-dev/index.md): A technical walk through the MTE Relay V4 to V5 changes: the binary frame, per frame verification, the 470 to 490 error block, discovery, keepalive, the control plane UI and API, SocketX V2, TCPQ V1, measured numbers, and a migration checklist. - [MTE Relay V5: what changes for your business](https://tmp.trevorblackman.dev/relay-v5-exec/index.md): A plain language brief for executives on what MTE Relay V5 improves over V4: stronger message protection, less overhead, a management console for the whole fleet, and new WebSocket and TCP products on the same protocol.