1There are three important features that were in the initial design of D2 that have not been done and hold it back from 1.0: globs, imports, and vars. This release brings imports.
2
3Imports open up a world of possibilities and works beautifully to modularize diagrams. See the new docs to try it out today.
4
5As usual, many improvements and bug fixes accompany this release. D2 0.5 produces more legible diagrams by masking obstructions (e.g. arrow going through a label), has better error messages to guide you, is faster at certain tasks, and addresses many issues brought by community bug reports.
6
7#### Features 🚀
8
9- D2 files have the ability to import from other D2 files. See [docs](https://d2lang.com/tour/imports). [#1371](https://github.com/terrastruct/d2/pull/1371)
10- `sql_table` alternatively takes an array of constraints instead of being limited to a single one. Thanks @satoqz ! [#1245](https://github.com/terrastruct/d2/pull/1245)
11
12#### Improvements 🧹
13
14- Use shape-specific sizing for grid containers [#1294](https://github.com/terrastruct/d2/pull/1294)
15- Grid diagrams support nested shapes or grid diagrams [#1309](https://github.com/terrastruct/d2/pull/1309)
16- `grid-gap`, `vertical-gap`, and `horizontal-gap` apply to padding on grid diagrams [#1309](https://github.com/terrastruct/d2/pull/1309)
17- Watch mode browser uses an error favicon to easily indicate compiler errors. Thanks @sinyo-matu ! [#1240](https://github.com/terrastruct/d2/pull/1240)
18- Grid layout performance improved when there are many similarly sized shapes [#1315](https://github.com/terrastruct/d2/pull/1315)
19- Connections and labels are adjusted for shapes with `3d` or `multiple` [#1340](https://github.com/terrastruct/d2/pull/1340)
20- Constraints in `sql_table` render even if they have no matching abbreviation [#1372](https://github.com/terrastruct/d2/pull/1372)
21- Constraints in `sql_table` sheds their excessive letter-spacing and is padded from the end consistently [#1372](https://github.com/terrastruct/d2/pull/1372)
22- Duplicate image URLs in icons are only fetched once [#1373](https://github.com/terrastruct/d2/pull/1373)
23- In watch mode, images are cached by default across compiles. Can be disabled with flag `--img-cache=0`. [#1373](https://github.com/terrastruct/d2/pull/1373)
24- Common invalid array separator `,` usage in class arrays returns a helpful error message [#1376](https://github.com/terrastruct/d2/pull/1376)
25- Invalid `constraint` usage is met with an error message, preventing a common mistake of omitting `shape: sql_table` [#1379](https://github.com/terrastruct/d2/pull/1379)
26- Connections no longer obscure outside labels [#1381](https://github.com/terrastruct/d2/pull/1381)
27- Container connections in `dagre` are more balanced [#1384](https://github.com/terrastruct/d2/pull/1384)
28- Connections that go through shape labels are now masked translucently [#1383](https://github.com/terrastruct/d2/pull/1383)
29
30#### Bugfixes ⛑️
31
32- Shadow is no longer cut off when `--pad` is 0. Thank you @LeonardsonCC ! [#1326](https://github.com/terrastruct/d2/pull/1326)
33- Fixes grid layout overwriting label placements for nested objects [#1345](https://github.com/terrastruct/d2/pull/1345)
34- Fixes fonts not rendering correctly on certain platforms. Thanks @mikeday for identifying the solution. [#1356](https://github.com/terrastruct/d2/pull/1356)
35- Fixes folders not rendering in animations (`--animate-interval`) [#1357](https://github.com/terrastruct/d2/pull/1357)
36- Fixes panic using reserved keywords as containers [#1358](https://github.com/terrastruct/d2/pull/1358)
37- When multiple classes are change different attributes of arrowheads, they are
38 all applied instead of only the last one [#1362](https://github.com/terrastruct/d2/pull/1362)
39- Prevent empty block strings [#1364](https://github.com/terrastruct/d2/pull/1364)
40- Fixes `dagre` mis-aligning a nested shape's connection [#1370](https://github.com/terrastruct/d2/pull/1370)
41- Fixes a bug in grids sometimes putting a shape on the next row/column [#1380](https://github.com/terrastruct/d2/pull/1380)
42
43#### Breaking changes
44
45- `@xyz` is now reserved as a pattern for imports. If you previously had a key that started like that, it must either be renamed or quoted like `"@xyz"`.
46- Likewise with `...@xyz` (spread operator import)
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