1D2 v0.6 introduces variable substitutions and globs. These two were the last of the features planned in the initial designs for D2, and v1 is now very close!
2
3The power of variables and globs in a programming language need no introduction, so here's two minimal examples to get started:
4
5**Variables**:
6```d2
7vars: {
8 color: aquamarine
9}
10
11x.style.fill: ${color}
12```
13
14**Globs**:
15```d2
16x
17y
18z
19
20*.style.fill: aquamarine
21```
22
23Both are live on [D2 Playground](https://play.d2lang.com) so give it a try! Looking forward to your issues and iterating
24
25Layout capability also takes a subtle but important step forward: you can now customize the position of labels and icons.
26
27#### Features 🚀
28
29- Variables and substitutions are implemented. See [docs](https://d2lang.com/tour/vars). [#1473](https://github.com/terrastruct/d2/pull/1473)
30- Configure timeout value with D2_TIMEOUT env var [#1392](https://github.com/terrastruct/d2/pull/1392)
31- Scale renders and disable fit to screen with `--scale` flag [#1413](https://github.com/terrastruct/d2/pull/1413)
32- `null` keyword can be used to un-declare. See [docs](https://d2lang.com/tour/overrides#null) [#1446](https://github.com/terrastruct/d2/pull/1446)
33- Develop multi-board diagrams in watch mode (links to layers/scenarios/steps work in `--watch`) [#1503](https://github.com/terrastruct/d2/pull/1503)
34- Glob patterns have been implemented. See [docs](https://d2lang.com/tour/globs). [#1479](https://github.com/terrastruct/d2/pull/1479)
35- Ampersand filters have been implemented. See [docs](https://d2lang.com/tour/filters). [#1509](https://github.com/terrastruct/d2/pull/1509)
36
37#### Improvements 🧹
38
39- Display version on CLI help invocation [#1400](https://github.com/terrastruct/d2/pull/1400)
40- Improved readability of connection labels when they overlap another connection [#447](https://github.com/terrastruct/d2/pull/447)
41- Error message when `shape` is given a composite [#1415](https://github.com/terrastruct/d2/pull/1415)
42- Improved rendering and text measurement for code shapes [#1425](https://github.com/terrastruct/d2/pull/1425)
43- The autoformatter moves board declarations to the bottom of its scope [#1424](https://github.com/terrastruct/d2/pull/1424)
44- All font styles in sketch mode use a consistent font-family [#1463](https://github.com/terrastruct/d2/pull/1463)
45- Tooltip and link icons are positioned on shape border [#1466](https://github.com/terrastruct/d2/pull/1466)
46- Tooltip and link icons are always rendered over shapes [#1467](https://github.com/terrastruct/d2/pull/1467)
47- Boards with no objects are considered folders [#1504](https://github.com/terrastruct/d2/pull/1504)
48- `DEBUG` environment variable ignored if set incorrectly [#1505](https://github.com/terrastruct/d2/pull/1505)
49
50#### Bugfixes ⛑️
51
52- Fixes edge case in compiler using dots in quotes [#1401](https://github.com/terrastruct/d2/pull/1401)
53- Fixes grid label font size for TALA [#1412](https://github.com/terrastruct/d2/pull/1412)
54- Fixes person shape label positioning with `multiple` or `3d` [#1478](https://github.com/terrastruct/d2/pull/1478)
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