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| 1 | + | # Changelog | |
| 2 | + | ||
| 3 | + | Notable changes to tagtree. Versions follow semver. | |
| 4 | + | ||
| 5 | + | ## 0.4.0 (2026-07-16) | |
| 6 | + | ||
| 7 | + | ### Breaking | |
| 8 | + | ||
| 9 | + | - `TagError` is now a seven-variant enum with typed fields (`TooLong { max }`, | |
| 10 | + | `TooDeep { levels, max }`, `InvalidChar(char)`, and others) instead of the | |
| 11 | + | `TagError(pub String)` newtype. Callers matching on the message string need to | |
| 12 | + | match variants instead. | |
| 13 | + | - `subtree("")` returns every tag rather than `[]`. The empty prefix now reads as | |
| 14 | + | the root, which is how `children_at_prefix` has always read it. | |
| 15 | + | - `prefix_at_depth("", n)` and `semantic_prefix("", n)` return `None` rather than | |
| 16 | + | `Some("")`. The empty tag has no segments, so no prefix exists at any depth. | |
| 17 | + | ||
| 18 | + | ### Fixed | |
| 19 | + | ||
| 20 | + | - `merge_tags` no longer orphans descendants. It moved only the exact source tag, | |
| 21 | + | so merging `genre.electronic` into `genre.dance` left `genre.electronic.house` | |
| 22 | + | dangling. It now rewrites the whole subtree's prefix, and colliding tags dedupe | |
| 23 | + | on rebuild. | |
| 24 | + | ||
| 25 | + | ### Changed | |
| 26 | + | ||
| 27 | + | - The separator's ASCII invariant is asserted at compile time. The byte-level | |
| 28 | + | scans slice at the offsets they find, which is only sound while the separator is | |
| 29 | + | ASCII; a non-ASCII separator now fails the build instead of introducing | |
| 30 | + | mid-codepoint slice panics. | |
| 31 | + | - `batch_rename`'s doc now states that the return value sums each operation's | |
| 32 | + | count, so a tag renamed by two operations counts twice. Behavior is unchanged. | |
| 33 | + | ||
| 34 | + | ## 0.3.1 (2026-04-15) | |
| 35 | + | ||
| 36 | + | Blanket patch bump across the shared crates. No functional change to tagtree. | |
| 37 | + | ||
| 38 | + | ## 0.3.0 (2026-04-15) | |
| 39 | + | ||
| 40 | + | First version in the MNW monorepo. Earlier history predates this changelog. |