# Zed Weekly #18: Semantic Index Improvements and Inline Assistant Development

DevFeed: [Zed Weekly #18: Semantic Index Improvements and Inline Assistant Development](<https://devfeed.tech/articles/zed-weekly-18-13587.md>)

Original publisher: [Read original article](<https://zed.dev/blog/zed-weekly-18>)

Author: Joseph Lyons

Published: 2023-09-05T00:00:00Z

Content type: article

Language: en

Sources: [Zed Industries - Blog](<https://devfeed.tech/sources/zed-industries-blog.md>)

Topics: [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>), [ui](<https://devfeed.tech/topics/ui.md>), [Embeddings](<https://devfeed.tech/topics/embeddings.md>), [tracing](<https://devfeed.tech/topics/tracing.md>), [Caching](<https://devfeed.tech/topics/caching.md>), [Tailwind CSS](<https://devfeed.tech/topics/tailwind.md>), [Internet](<https://devfeed.tech/topics/internet.md>), [Markdown](<https://devfeed.tech/topics/markdown.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [cache](<https://devfeed.tech/tags/cache.md>), [embeddings](<https://devfeed.tech/tags/embeddings.md>), [internet](<https://devfeed.tech/tags/internet.md>), [openai](<https://devfeed.tech/tags/openai.md>), [tailwind](<https://devfeed.tech/tags/tailwind.md>)

## AI overview

Zed Weekly #18 describes improvements to the semantic index, including token-based batching, asynchronous file-fragment processing, and an embeddings cache that reduced token usage during incremental indexing by roughly 75%. It also covers work on an inline assistant, channel notes, Tailwind, and upcoming UI infrastructure changes.

## Source excerpt

Key enhancements to the semantic index, introduction of the inline assistant, and preparations for significant UI infrastructure improvements.