diff --git a/types/markdown-it/index.d.mts b/types/markdown-it/index.d.mts
index 21578d54ab7e71..25f78406da6e4f 100644
--- a/types/markdown-it/index.d.mts
+++ b/types/markdown-it/index.d.mts
@@ -1 +1,20 @@
-export { default, Options, PluginSimple, PluginWithOptions, PluginWithParams, PresetName } from "./lib/index.mjs";
+export {
+    default,
+    type default as MarkdownIt,
+    Options,
+    type Options as MarkdownItOptions,
+    PluginSimple,
+    PluginWithOptions,
+    PluginWithParams,
+    PresetName,
+    type PresetName as MarkdownItPresetName,
+} from "./lib/index.mjs";
+export type { default as ParserBlock } from "./lib/parser_block.mts";
+export type { default as ParserCore } from "./lib/parser_core.mts";
+export type { default as ParserInline } from "./lib/parser_inline.mts";
+export type { default as Renderer, RenderRule as RendererRule } from "./lib/renderer.mts";
+export type { default as Ruler } from "./lib/ruler.mts";
+export type { default as StateBlock } from "./lib/rules_block/state_block.mts";
+export type { default as StateCore } from "./lib/rules_core/state_core.mts";
+export type { default as StateInline, Delimiter } from "./lib/rules_inline/state_inline.mts";
+export type { default as Token } from "./lib/token.mts";
diff --git a/types/markdown-it/lib/common/utils.d.mts b/types/markdown-it/lib/common/utils.d.mts
index fced9e814cab5b..c013a5de0aae74 100644
--- a/types/markdown-it/lib/common/utils.d.mts
+++ b/types/markdown-it/lib/common/utils.d.mts
@@ -39,21 +39,37 @@ export function isSpace(code: number): boolean;
 export function isWhiteSpace(code: number): boolean;
 
 /**
- * Markdown ASCII punctuation characters.
+ * Markdown [ASCII punctuation characters](https://spec.commonmark.org/0.31.2/#ascii-punctuation-character).
  *
- * !, ", #, $, %, &, ', (, ), *, +, ,, -, ., /, :, ;, <, =, >, ?, @, [, \, ], ^, _, `, {, |, }, or ~
+ * !, ", #, $, %, &, ', (, ), *, +, ,, -, ., /, :, ;, <, =, >, ?, \@, [, \\, ], ^, _, `, {, |, }, or ~
  *
- * Don't confuse with unicode punctuation !!! It lacks some chars in ascii range.
+ * {@link isPunctChar} is missing some ASCII punctuation chars in < 14.1.0.
+ * This is consistent with CommonMark 0.30 and older behavior, where the range of ASCII punctuation
+ * characters was not fully contained in that of
+ * [Unicode punctuation characters](https://spec.commonmark.org/0.31.2/#unicode-punctuation-character).
  *
- * @see http://spec.commonmark.org/0.15/#ascii-punctuation-character
+ * In >= 14.1.0 (compliant with CommonMark 0.31.2), {@link isPunctChar} includes all ASCII punctuation characters,
+ * so combining {@link isMdAsciiPunct} with {@link isPunctChar} is only for backwards compatibility or
+ * to try to provide a fast path for ASCII ranges.
+ *
+ * @see https://spec.commonmark.org/0.31.2/changes.html#part-4
  */
 export function isMdAsciiPunct(code: number): boolean;
 
 /**
- * Currently without astral characters support.
+ * [Unicode punctuation characters](https://spec.commonmark.org/0.31.2/#unicode-punctuation-character).
+ *
+ * Astral (supplementary) characters support requires >= 14.2.0.
  */
 export function isPunctChar(ch: string): boolean;
 
+/**
+ * [Unicode punctuation characters](https://spec.commonmark.org/0.31.2/#unicode-punctuation-character).
+ *
+ * Added in 14.2.0. Supports astral (supplementary) characters.
+ */
+export function isPunctCharCode(code: number): boolean;
+
 export function escapeRE(str: string): string;
 
 /**
diff --git a/types/markdown-it/markdown-it-tests.mts b/types/markdown-it/markdown-it-tests.mts
index 897c530491f07f..39ee8389ec5f37 100644
--- a/types/markdown-it/markdown-it-tests.mts
+++ b/types/markdown-it/markdown-it-tests.mts
@@ -4,14 +4,22 @@ import LinkifyIt from "linkify-it";
 import MarkdownIt, { Options, PresetName } from "markdown-it";
 // eslint-disable-next-line no-duplicate-imports
 import MarkdownIt1 from "markdown-it";
+// eslint-disable-next-line no-duplicate-imports
+import type {
+    Delimiter,
+    MarkdownIt as MarkdownIt2,
+    MarkdownItOptions as Options2,
+    MarkdownItPresetName as PresetName2,
+    Renderer,
+    StateBlock,
+    StateCore,
+    StateInline,
+    Token,
+} from "markdown-it";
 import { RuleBlock } from "markdown-it/lib/parser_block.mjs";
 import { RuleCore } from "markdown-it/lib/parser_core.mjs";
 import { RuleInline, RuleInline2 } from "markdown-it/lib/parser_inline.mjs";
-import Renderer from "markdown-it/lib/renderer.mjs";
-import StateBlock from "markdown-it/lib/rules_block/state_block.mjs";
-import StateCore from "markdown-it/lib/rules_core/state_core.mjs";
-import StateInline, { Delimiter, Scanned, TokenMeta } from "markdown-it/lib/rules_inline/state_inline.mjs";
-import Token from "markdown-it/lib/token.mjs";
+import { Scanned, TokenMeta } from "markdown-it/lib/rules_inline/state_inline.mjs";
 
 // stub highlight-js interaction
 declare const hljs: {
@@ -519,3 +527,20 @@ let md: MarkdownIt;
     const href: string | null = token.attrGet("href");
     token.attrJoin("class", "foobar");
 }
+
+{
+    // Minimal compatibility with built-in types in v15
+
+    const options: Options2 = { html: true, linkify: true };
+    const preset: PresetName2 = "default";
+
+    const md2: MarkdownIt2 = new MarkdownIt();
+    const md3: MarkdownIt2 = new MarkdownIt(options);
+    const md4: MarkdownIt2 = new MarkdownIt(preset);
+    const md5: MarkdownIt2 = new MarkdownIt(preset, options);
+
+    md2.render("# Example");
+    md3.renderInline("**Example**");
+    md4.render("[link](https://example.com)");
+    md5.render("---\n\nA paragraph");
+}
diff --git a/types/markdown-it/package.json b/types/markdown-it/package.json
index 98095dfe7e6dde..e8a9d3f36b33ea 100644
--- a/types/markdown-it/package.json
+++ b/types/markdown-it/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "@types/markdown-it",
-    "version": "14.1.9999",
+    "version": "14.2.9999",
     "projects": [
         "https://github.com/markdown-it/markdown-it"
     ],