{"type":"post","id":"vercel-fx-v0-0-15-uses-about-70-81053a","slug":"vercel-fx-v0-0-15-uses-about-70-81053a","title":"Vercel fx v0.0.15 uses about 70% less memory in long sessions and adds /fork","description":"Vercel Labs’ fx v0.0.15 reports lower memory use in long conversations and adds session branching with /fork.","retrieval_nugget":"Vercel Labs’ fx v0.0.15 reports lower memory use in long conversations and adds session branching with /fork. The release’s local synthetic benchmark suggests a substantial improvement for image-heavy sessions, while faster resumes and background model-catalog updates make the tool easier to use across ongoing work.","published_at":"2026-11-06","updated_at":"2026-11-07","record_date":"2026-11-06","date_kind":"published_at","topics":["memory"],"entities":["Vercel Labs","fx"],"related_patterns":["harness-architecture-outlives-model-choice"],"novelty_label":"same_event","prior_refs":["https://newruntime.com/posts/vercel-labs-released-fx-v0-0-16-reducing-91e01e/"],"source_url":"https://github.com/vercel-labs/fx/releases/tag/v0.0.15","source_urls":["https://github.com/vercel-labs/fx/releases/tag/v0.0.15"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:vercel-fx-v0-0-15-uses-about-70-81053a","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/vercel-fx-v0-0-15-uses-about-70-81053a/","markdown":"https://newruntime.com/posts/vercel-fx-v0-0-15-uses-about-70-81053a.md","json":"https://newruntime.com/posts/vercel-fx-v0-0-15-uses-about-70-81053a.json"},"markdown_url":"https://newruntime.com/posts/vercel-fx-v0-0-15-uses-about-70-81053a.md","next_reads":[{"type":"topic","path":"/topics/memory/","url":"https://newruntime.com/topics/memory/","title":"Memory","reason":"Explore the memory topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/memory.md","json_url":"https://newruntime.com/topics/memory.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/sources/","url":"https://newruntime.com/sources/","title":"Sources","reason":"See the original sources this archive cites.","media_type":"text/html"}]}