Three Claude Code 2.1 changes that you can use in under a minute:

1️⃣ Shift+Enter works: clean multi-line prompts, no terminal setup

2️⃣ Skills hot-reload: edit SKILL(.)md → save → test instantly

3️⃣ Forked context: isolate noisy tasks, keep the main thread clean

Copy-paste snippets + workflow wiring patterns

grab what fits and move on