# What's new since version 8.79?

The latest major release is **8.106.0**. Here is a focused summary of the main features introduced since **Cecil 8.79.0**.

### Improved developer experience and performance visibility

- **Build progress indicator** (8.101.0): build execution now exposes a progress bar, making long-running operations easier to follow.
- **Extended metrics output** (8.101.0): metrics now include a total duration row with comparisons between runs, which helps track performance changes over time.
- **Raw timings and diff metrics** (8.87.0): build metrics now expose raw timings and diffs, making regressions and improvements easier to identify.
- **Build/cache identifier improvements** (8.80.x): build IDs are exposed and integrated into cache logic, with updated hashing behavior for better cache consistency.

### Better template rendering

- **Dark-mode image variant support** (8.95.0): templates can now handle dedicated image variants for dark mode, improving visual adaptation. ([docs](https://cecil.app/documentation/configuration/#layouts-images))
- **`layouts.autoescape` option** (8.97.0): this setting provides finer control over template escaping behavior. ([docs](https://cecil.app/documentation/configuration/#layouts-autoescape))
- **Translation disabled inside code blocks** (8.98.0): inline and fenced code are no longer translated, which helps preserve technical content accurately.
- **`cache_key` Twig helper** (8.88.0): templates can generate explicit cache keys for more predictable cache behavior. ([docs](https://cecil.app/documentation/templates/#cache-key))

### Content and image pipeline improvements

- **Front matter menu `name` support** (8.90.0): menu entries can now define a dedicated `name` property. ([docs](https://cecil.app/documentation/content/#menu))
- **`libvips` image driver support** (8.91.0): image processing can now use libvips as a driver option. ([docs](https://cecil.app/documentation/content/#images))
- **Localized Markdown image assets** (8.92.0): image assets can now be localized for translated pages. ([docs](https://cecil.app/documentation/content/#localized-image))

### Quality and diagnostics tooling

- **New `doctor` command** (8.103.0): a dedicated diagnostics command was introduced to make project issues easier to identify. ([docs](https://cecil.app/documentation/commands/#doctor))
- **New `doctor:seo` command** (8.105.0): a dedicated SEO audit command was added with matching documentation and tests. ([docs](https://cecil.app/documentation/commands/#doctor-seo))

### Better development workflow

- **Background `serve` mode and stop command** (8.104.0): the development server now supports background execution and explicit shutdown through `serve:stop`. ([docs](https://cecil.app/documentation/commands/#serve))
- **`.env` loading support** (8.106.0): environment configuration can now be loaded through dotenv, simplifying local variable management. ([docs](https://cecil.app/documentation/configuration/#environment-variables))

### Breaking change to keep in mind

- **Removal of `assets.leading_slash` option** (8.81.0): this option was removed and may require configuration updates.