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Diffdown is a real-time collaborative Markdown editor/previewer built on the AT Protocol
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1## 6.5.4 (2026-01-14)
2
3### Bug fixes
4
5Make `SelectionRange.eq` return false when the ranges have different goal columns.
6
7## 6.5.3 (2025-12-22)
8
9### Bug fixes
10
11Fix an issue where `RangeValue.eq` could get called with a value of a different class.
12
13`EditorState.charCategorizer` now only uses the highest-precedence set of word characters from the language data, to allow overriding these.
14
15## 6.5.2 (2025-02-03)
16
17### Bug fixes
18
19Fix a bug where reconfiguring a field with a new `init` value didn't update the value of the field.
20
21## 6.5.1 (2025-01-10)
22
23### Bug fixes
24
25`countColumn` no longer loops infinitely when given a `to` that's higher than the input string's length.
26
27## 6.5.0 (2024-12-09)
28
29### New features
30
31`RangeSet.compare` now supports a `boundChange` callback that is called when there's a change in the way ranges are split.
32
33## 6.4.1 (2024-02-19)
34
35### Bug fixes
36
37Fix an issue that caused widgets at the end of a mark decoration to be rendered in their own separate mark DOM element.
38
39## 6.4.0 (2023-12-28)
40
41### Bug fixes
42
43When multiple ranges in a single range set overlap, put the smaller ones inside the bigger ones, so that overlapping decorations don't break up each other's elements when coming from the same source.
44
45### New features
46
47Selection and selection range `eq` methods now support an optional argument that makes them also compare by cursor associativity.
48
49The `RangeSet.join` function can be used to join multiple range sets together.
50
51## 6.3.3 (2023-12-06)
52
53### Bug fixes
54
55Fix an issue where `Text.slice` and `Text.replace` could return objects with incorrect `length` when the given `from`/`to` values were out of range for the text.
56
57## 6.3.2 (2023-11-27)
58
59### Bug fixes
60
61Make sure transactions cannot add multiple selections when `allowMultipleSelections` is false.
62
63Fix a bug that caused `Text.iterLines` to not return empty lines at the end of the iterated ranges.
64
65## 6.3.1 (2023-10-18)
66
67### Bug fixes
68
69Give the tag property on `FacetReader` the type of the output type parameter to force TypeScript to infer the proper type when converting from `Facet` to `FacetReader`.
70
71## 6.3.0 (2023-10-12)
72
73### New features
74
75The new `FacetReader` type provides a way to export a read-only handle to a `Facet`.
76
77## 6.2.1 (2023-05-23)
78
79### Bug fixes
80
81Fix an issue that could cause `RangeSet.compare` to miss changes in the set of active ranges around a point range.
82
83## 6.2.0 (2022-12-26)
84
85### New features
86
87`EditorSelection.range` now accepts an optional 4th argument to specify the bidi level of the range's head position.
88
89## 6.1.4 (2022-11-15)
90
91### Bug fixes
92
93Fix a bug that caused the `openStart` value passed to span iterators to be incorrect around widgets in some circumstances.
94
95## 6.1.3 (2022-11-10)
96
97### Bug fixes
98
99Avoid unnecessary calls to computed facet getters when a state is reconfigured but no dependencies of the computed facet change.
100
101Fix an infinite loop in `RangeSet.eq` when the `to` parameter isn't given.
102
103## 6.1.2 (2022-09-21)
104
105### Bug fixes
106
107Fix an issue where, when multiple transaction extenders took effect, only the highest-precedence one was actually included in the transaction.
108
109## 6.1.1 (2022-08-03)
110
111### Bug fixes
112
113Fix a bug in range set span iteration that would cause decorations to be inappropriately split in some situations.
114
115## 6.1.0 (2022-06-30)
116
117### Bug fixes
118
119Refine change mapping to preserve insertions made by concurrent changes.
120
121### New features
122
123The `enables` option to `Facet.define` may now take a function, which will be called with the facet value to create the extensions.
124
125## 6.0.1 (2022-06-17)
126
127### Bug fixes
128
129Fix a problem that caused effects' `map` methods to be called with an incorrect change set when filtering changes.
130
131## 6.0.0 (2022-06-08)
132
133### Breaking changes
134
135Update dependencies to 6.0.0
136
137## 0.20.1 (2022-06-02)
138
139### New features
140
141`EditorView.phrase` now accepts additional arguments, which it will interpolate into the phrase in the place of `$` markers.
142
143## 0.20.0 (2022-04-20)
144
145### Breaking changes
146
147The deprecated precedence names `fallback`, `extend`, and `override` were removed from the library.
148
149### Bug fixes
150
151Fix a bug where, if an extension value occurs multiple times, its lowest, rather than highest precedence is used.
152
153Fix an issue where facets with computed inputs would unneccesarily have their outputs recreated on state reconfiguration.
154
155Fix a bug in the order in which new values for state fields and facets were computed, which could cause dynamic facets to hold the wrong value in some situations.
156
157### New features
158
159The exports from @codemirror/rangeset now live in this package.
160
161The exports from @codemirror/text now live in this package.
162
163## 0.19.9 (2022-02-16)
164
165### Bug fixes
166
167Mapping a non-empty selection range now always puts any newly inserted text on the sides of the range outside of the mapped version.
168
169## 0.19.8 (2022-02-15)
170
171### Bug fixes
172
173Fix a bug where facet values with computed inputs could incorrectly retain their old value on reconfiguration.
174
175## 0.19.7 (2022-02-11)
176
177### Bug fixes
178
179Avoid recomputing facets on state reconfiguration if that facet's inputs stayed precisely the same.
180
181Selection ranges created with `EditorSelection.range` will now have an assoc pointing at their anchor, when non-empty.
182
183## 0.19.6 (2021-11-19)
184
185### Bug fixes
186
187Fix a bug that caused facet compare functions to be called with an invalid value in some situations.
188
189Fix a bug that caused dynamic facet values to be incorrectly kept unchanged when reconfiguration changed one of their dependencies.
190
191## 0.19.5 (2021-11-10)
192
193### Bug fixes
194
195Fix a bug that would cause dynamic facet values influenced by a state reconfiguration to not properly recompute.
196
197## 0.19.4 (2021-11-05)
198
199### Bug fixes
200
201When reconfiguring a state, effects from the reconfiguring transaction can now be seen by newly added state fields.
202
203## 0.19.3 (2021-11-03)
204
205### New features
206
207The precedence levels (under `Prec`) now have more generic names, because their 'meaningful' names were entirely inappropriate in many situations.
208
209## 0.19.2 (2021-09-13)
210
211### New features
212
213The editor state now has a `readOnly` property with a matching facet to control its value.
214
215## 0.19.1 (2021-08-15)
216
217### Bug fixes
218
219Fix a bug where `wordAt` never returned a useful result.
220
221## 0.19.0 (2021-08-11)
222
223### Breaking changes
224
225User event strings now work differently—the events emitted by the core packages follow a different system, and hierarchical event tags can be created by separating the words with dots.
226
227### New features
228
229`languageDataAt` now takes an optional `side` argument to specificy which side of the position you're interested in.
230
231It is now possible to add a user event annotation with a direct `userEvent` property on a transaction spec.
232
233Transactions now have an `isUserEvent` method that can be used to check if it is (a subtype of) some user event type.
234
235## 0.18.7 (2021-05-04)
236
237### Bug fixes
238
239Fix an issue where state fields might be initialized with a state that they aren't actually part of during reconfiguration.
240
241## 0.18.6 (2021-04-12)
242
243### New features
244
245The new `EditorState.wordAt` method finds the word at a given position.
246
247## 0.18.5 (2021-04-08)
248
249### Bug fixes
250
251Fix an issue in the compiled output that would break the code when minified with terser.
252
253## 0.18.4 (2021-04-06)
254
255### New features
256
257The new `Transaction.remote` annotation can be used to mark and recognize transactions created by other actors.
258
259## 0.18.3 (2021-03-23)
260
261### New features
262
263The `ChangeDesc` class now has `toJSON` and `fromJSON` methods.
264
265## 0.18.2 (2021-03-14)
266
267### Bug fixes
268
269Fix unintended ES2020 output (the package contains ES6 code again).
270
271## 0.18.1 (2021-03-10)
272
273### New features
274
275The new `Compartment.get` method can be used to get the content of a compartment in a given state.
276
277## 0.18.0 (2021-03-03)
278
279### Breaking changes
280
281`tagExtension` and the `reconfigure` transaction spec property have been replaced with the concept of configuration compartments and reconfiguration effects (see `Compartment`, `StateEffect.reconfigure`, and `StateEffect.appendConfig`).
282
283## 0.17.2 (2021-02-19)
284
285### New features
286
287`EditorSelection.map` and `SelectionRange.map` now take an optional second argument to indicate which direction to map to.
288
289## 0.17.1 (2021-01-06)
290
291### New features
292
293The package now also exports a CommonJS module.
294
295## 0.17.0 (2020-12-29)
296
297### Breaking changes
298
299First numbered release.
300