[api-minor] Deprecate the SVG back-end

src/display/svg.js

@@ -14,6 +14,7 @@
  */
 /* globals __non_webpack_require__ */
 
+import { deprecated, DOMSVGFactory } from "./display_utils.js";
 import {
   FONT_IDENTITY_MATRIX,
   IDENTITY_MATRIX,
@@ -24,7 +25,6 @@ import {
   Util,
   warn,
 } from "../shared/util.js";
-import { DOMSVGFactory } from "./display_utils.js";
 import { isNodeJS } from "../shared/is_node.js";
 
 /** @type {any} */
@@ -467,6 +467,9 @@ if (
 
   SVGGraphics = class {
     constructor(commonObjs, objs, forceDataSchema = false) {
+      deprecated(
+        "The SVG back-end is no longer maintained and *may* be removed in the future."
+      );
       this.svgFactory = new DOMSVGFactory();
 
       this.current = new SVGExtraState();