●MEMORY — Claude Code closes a cluster of long-session memory leaks, including MCP stdio stderr piling up to 64 MB per server and LSP documents staying open indefinitely●TABLES — Very large markdown tables no longer stall rendering; tables over 200 rows now show the first 200 with a "… N more rows" notice●SPEED — Sessions carrying many deny/ask permission rules no longer lose seconds every turn: rule matchers are compiled once and cached●TOOLS — print/SDK sessions with many MCP tools get up to 7x faster tool rounds thanks to cached tool-pool assembly●ARTIFACTS — Claude Code Artifacts turn session work into live, shareable web pages that update in place — useful for PR walkthroughs and dashboards●DEADLINE — Opus 4.7 fast mode is removed on July 24; speed: "fast" will error, so move to Opus 4.8 fast mode before then●MEMORY — Claude Code closes a cluster of long-session memory leaks, including MCP stdio stderr piling up to 64 MB per server and LSP documents staying open indefinitely●TABLES — Very large markdown tables no longer stall rendering; tables over 200 rows now show the first 200 with a "… N more rows" notice●SPEED — Sessions carrying many deny/ask permission rules no longer lose seconds every turn: rule matchers are compiled once and cached●TOOLS — print/SDK sessions with many MCP tools get up to 7x faster tool rounds thanks to cached tool-pool assembly●ARTIFACTS — Claude Code Artifacts turn session work into live, shareable web pages that update in place — useful for PR walkthroughs and dashboards●DEADLINE — Opus 4.7 fast mode is removed on July 24; speed: "fast" will error, so move to Opus 4.8 fast mode before then