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30800401b4
bevy/release-content/migration-guides/zstd.md
atlv 30800401b4
add native zstd support (#19793) 
# Objective

- add support for alternate zstd backend through `zstd` for faster
decompression

## Solution

- make existing `zstd` feature only specify that support is required,
disambiguate which backend to use via two other features `zstd_native`
and `zstd_rust`.
- Similar to the approach taken by #18411, but we keep current behavior
by defaulting to the rust implementation because its safer, and isolate
this change.

NOTE: the default feature-set may seem to not currently require `zstd`,
but it does, it is enabled transitively by the `tonemapping_luts`
feature, which is a default feature. Thus this does not add default
features.

## Testing

- Cargo clippy on both feature combinations
2025-06-26 20:53:54 +00:00

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title pull_requests
New zstd backend
19793

A more performant zstd backend has been added for texture decompression. To enable it, disable default-features and enable feature "zstd_c". If you have default-features disabled and use functionality that requires zstd decompression ("tonemapping_luts" or "ktx2"), you must choose a zstd implementation with one of the following feature flags: "zstd_c" (faster) or "zstd_rust" (safer)