diff --git a/scripts/deps-docker/Dockerfile b/scripts/deps-docker/Dockerfile
index 0d39a70d..147e82d9 100644
--- a/scripts/deps-docker/Dockerfile
+++ b/scripts/deps-docker/Dockerfile
@@ -1,12 +1,10 @@
-FROM    alpine:3.11
+FROM    alpine:3.13
 WORKDIR /z
-ENV     ver_asmcrypto=2821dd1dedd1196c378f5854037dda5c869313f3 \
-        ver_markdownit=10.0.0 \
-        ver_showdown=1.9.1 \
+ENV     ver_asmcrypto=5b994303a9d3e27e0915f72a10b6c2c51535a4dc \
         ver_marked=1.1.0 \
-        ver_ogvjs=1.6.1 \
-        ver_mde=2.10.1 \
-        ver_codemirror=5.53.2 \
+        ver_ogvjs=1.8.0 \
+        ver_mde=2.14.0 \
+        ver_codemirror=5.59.3 \
         ver_fontawesome=5.13.0 \
         ver_zopfli=1.0.3
 
@@ -17,7 +15,7 @@ RUN     mkdir -p /z/dist/no-pk \
         && wget https://fonts.gstatic.com/s/sourcecodepro/v11/HI_SiYsKILxRpg3hIP6sJ7fM7PqlPevW.woff2 -O scp.woff2 \
         && apk add cmake make g++ git bash npm patch wget tar pigz brotli gzip unzip python3 python3-dev brotli py3-brotli \
         && wget https://github.com/brion/ogv.js/releases/download/$ver_ogvjs/ogvjs-$ver_ogvjs.zip -O ogvjs.zip \
-        && wget https://github.com/asmcrypto/asmcrypto.js/archive/$ver_asmcrypto.tar.gz -O asmcrypto.tgz \
+        && wget https://github.com/openpgpjs/asmcrypto.js/archive/$ver_asmcrypto.tar.gz -O asmcrypto.tgz \
         && wget https://github.com/markedjs/marked/archive/v$ver_marked.tar.gz -O marked.tgz \
         && wget https://github.com/Ionaru/easy-markdown-editor/archive/$ver_mde.tar.gz -O mde.tgz \
         && wget https://github.com/codemirror/CodeMirror/archive/$ver_codemirror.tar.gz -O codemirror.tgz \
@@ -52,6 +50,7 @@ RUN     tar -xf zopfli.tgz \
             -S . \
         && make -C build \
         && make -C build install \
+        && python3 -m ensurepip \
         && python3 -m pip install fonttools zopfli
 
 
diff --git a/scripts/deps-docker/codemirror.patch b/scripts/deps-docker/codemirror.patch
index 11ab684e..effbe826 100644
--- a/scripts/deps-docker/codemirror.patch
+++ b/scripts/deps-docker/codemirror.patch
@@ -1,6 +1,6 @@
-diff -NarU2 CodeMirror-orig/mode/gfm/gfm.js CodeMirror-edit/mode/gfm/gfm.js
---- CodeMirror-orig/mode/gfm/gfm.js	2020-04-21 12:47:20.000000000 +0200
-+++ CodeMirror-edit/mode/gfm/gfm.js	2020-05-02 02:13:32.142131800 +0200
+diff -NarU2 codemirror-5.59.3-orig/mode/gfm/gfm.js codemirror-5.59.3/mode/gfm/gfm.js
+--- codemirror-5.59.3-orig/mode/gfm/gfm.js	2021-02-20 21:24:57.000000000 +0000
++++ codemirror-5.59.3/mode/gfm/gfm.js	2021-02-21 20:42:02.166174775 +0000
 @@ -97,5 +97,5 @@
          }
        }
@@ -15,9 +15,9 @@ diff -NarU2 CodeMirror-orig/mode/gfm/gfm.js CodeMirror-edit/mode/gfm/gfm.js
 +      }*/
        stream.next();
        return null;
-diff -NarU2 CodeMirror-orig/mode/meta.js CodeMirror-edit/mode/meta.js
---- CodeMirror-orig/mode/meta.js	2020-04-21 12:47:20.000000000 +0200
-+++ CodeMirror-edit/mode/meta.js	2020-05-02 03:56:58.852408400 +0200
+diff -NarU2 codemirror-5.59.3-orig/mode/meta.js codemirror-5.59.3/mode/meta.js
+--- codemirror-5.59.3-orig/mode/meta.js	2021-02-20 21:24:57.000000000 +0000
++++ codemirror-5.59.3/mode/meta.js	2021-02-21 20:42:54.798742821 +0000
 @@ -13,4 +13,5 @@
  
    CodeMirror.modeInfo = [
@@ -28,7 +28,7 @@ diff -NarU2 CodeMirror-orig/mode/meta.js CodeMirror-edit/mode/meta.js
      {name: "Gas", mime: "text/x-gas", mode: "gas", ext: ["s"]},
      {name: "Gherkin", mime: "text/x-feature", mode: "gherkin", ext: ["feature"]},
 +    */
-     {name: "GitHub Flavored Markdown", mime: "text/x-gfm", mode: "gfm", file: /^(readme|contributing|history).md$/i},
+     {name: "GitHub Flavored Markdown", mime: "text/x-gfm", mode: "gfm", file: /^(readme|contributing|history)\.md$/i},
 +    /*
      {name: "Go", mime: "text/x-go", mode: "go", ext: ["go"]},
      {name: "Groovy", mime: "text/x-groovy", mode: "groovy", ext: ["groovy", "gradle"], file: /^Jenkinsfile$/},
@@ -56,16 +56,16 @@ diff -NarU2 CodeMirror-orig/mode/meta.js CodeMirror-edit/mode/meta.js
 +    /*
      {name: "XQuery", mime: "application/xquery", mode: "xquery", ext: ["xy", "xquery"]},
      {name: "Yacas", mime: "text/x-yacas", mode: "yacas", ext: ["ys"]},
-@@ -171,4 +180,5 @@
-     {name: "xu", mime: "text/x-xu", mode: "mscgen", ext: ["xu"]},
-     {name: "msgenny", mime: "text/x-msgenny", mode: "mscgen", ext: ["msgenny"]}
+@@ -172,4 +181,5 @@
+     {name: "msgenny", mime: "text/x-msgenny", mode: "mscgen", ext: ["msgenny"]},
+     {name: "WebAssembly", mime: "text/webassembly", mode: "wast", ext: ["wat", "wast"]},
 +    */
    ];
    // Ensure all modes have a mime property for backwards compatibility
-diff -NarU2 CodeMirror-orig/src/display/selection.js CodeMirror-edit/src/display/selection.js
---- CodeMirror-orig/src/display/selection.js	2020-04-21 12:47:20.000000000 +0200
-+++ CodeMirror-edit/src/display/selection.js	2020-05-02 03:27:30.144662800 +0200
-@@ -83,29 +83,21 @@
+diff -NarU2 codemirror-5.59.3-orig/src/display/selection.js codemirror-5.59.3/src/display/selection.js
+--- codemirror-5.59.3-orig/src/display/selection.js	2021-02-20 21:24:57.000000000 +0000
++++ codemirror-5.59.3/src/display/selection.js	2021-02-21 20:44:14.860894328 +0000
+@@ -84,29 +84,21 @@
      let order = getOrder(lineObj, doc.direction)
      iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, (from, to, dir, i) => {
 -      let ltr = dir == "ltr"
@@ -105,24 +105,24 @@ diff -NarU2 CodeMirror-orig/src/display/selection.js CodeMirror-edit/src/display
 +          botRight = openEnd && last ? rightSide : toPos.right
          add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom)
          if (fromPos.bottom < toPos.top) add(leftSide, fromPos.bottom, null, toPos.top)
-diff -NarU2 CodeMirror-orig/src/input/ContentEditableInput.js CodeMirror-edit/src/input/ContentEditableInput.js
---- CodeMirror-orig/src/input/ContentEditableInput.js	2020-04-21 12:47:20.000000000 +0200
-+++ CodeMirror-edit/src/input/ContentEditableInput.js	2020-05-02 03:33:05.707995500 +0200
-@@ -391,4 +391,5 @@
+diff -NarU2 codemirror-5.59.3-orig/src/input/ContentEditableInput.js codemirror-5.59.3/src/input/ContentEditableInput.js
+--- codemirror-5.59.3-orig/src/input/ContentEditableInput.js	2021-02-20 21:24:57.000000000 +0000
++++ codemirror-5.59.3/src/input/ContentEditableInput.js	2021-02-21 20:44:33.273953867 +0000
+@@ -399,4 +399,5 @@
    let info = mapFromLineView(view, line, pos.line)
  
 +  /*
    let order = getOrder(line, cm.doc.direction), side = "left"
    if (order) {
-@@ -396,4 +397,5 @@
+@@ -404,4 +405,5 @@
      side = partPos % 2 ? "right" : "left"
    }
 +  */
    let result = nodeAndOffsetInLineMap(info.map, pos.ch, side)
    result.offset = result.collapse == "right" ? result.end : result.start
-diff -NarU2 CodeMirror-orig/src/input/movement.js CodeMirror-edit/src/input/movement.js
---- CodeMirror-orig/src/input/movement.js	2020-04-21 12:47:20.000000000 +0200
-+++ CodeMirror-edit/src/input/movement.js	2020-05-02 03:31:19.710773500 +0200
+diff -NarU2 codemirror-5.59.3-orig/src/input/movement.js codemirror-5.59.3/src/input/movement.js
+--- codemirror-5.59.3-orig/src/input/movement.js	2021-02-20 21:24:57.000000000 +0000
++++ codemirror-5.59.3/src/input/movement.js	2021-02-21 20:45:12.763093671 +0000
 @@ -15,4 +15,5 @@
  
  export function endOfLine(visually, cm, lineObj, lineNo, dir) {
@@ -146,9 +146,9 @@ diff -NarU2 CodeMirror-orig/src/input/movement.js CodeMirror-edit/src/input/move
    return null
 +  */
  }
-diff -NarU2 CodeMirror-orig/src/line/line_data.js CodeMirror-edit/src/line/line_data.js
---- CodeMirror-orig/src/line/line_data.js	2020-04-21 12:47:20.000000000 +0200
-+++ CodeMirror-edit/src/line/line_data.js	2020-05-02 03:17:02.785065000 +0200
+diff -NarU2 codemirror-5.59.3-orig/src/line/line_data.js codemirror-5.59.3/src/line/line_data.js
+--- codemirror-5.59.3-orig/src/line/line_data.js	2021-02-20 21:24:57.000000000 +0000
++++ codemirror-5.59.3/src/line/line_data.js	2021-02-21 20:45:36.472549599 +0000
 @@ -79,6 +79,6 @@
      // Optionally wire in some hacks into the token-rendering
      // algorithm, to deal with browser quirks.
@@ -158,9 +158,9 @@ diff -NarU2 CodeMirror-orig/src/line/line_data.js CodeMirror-edit/src/line/line_
 +    //  builder.addToken = buildTokenBadBidi(builder.addToken, order)
      builder.map = []
      let allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line)
-diff -NarU2 CodeMirror-orig/src/measurement/position_measurement.js CodeMirror-edit/src/measurement/position_measurement.js
---- CodeMirror-orig/src/measurement/position_measurement.js	2020-04-21 12:47:20.000000000 +0200
-+++ CodeMirror-edit/src/measurement/position_measurement.js	2020-05-02 03:35:20.674159600 +0200
+diff -NarU2 codemirror-5.59.3-orig/src/measurement/position_measurement.js codemirror-5.59.3/src/measurement/position_measurement.js
+--- codemirror-5.59.3-orig/src/measurement/position_measurement.js	2021-02-20 21:24:57.000000000 +0000
++++ codemirror-5.59.3/src/measurement/position_measurement.js	2021-02-21 20:50:52.372945293 +0000
 @@ -380,5 +380,6 @@
      sticky = "after"
    }
@@ -199,9 +199,9 @@ diff -NarU2 CodeMirror-orig/src/measurement/position_measurement.js CodeMirror-e
 +*/
  
  let measureText
-diff -NarU2 CodeMirror-orig/src/util/bidi.js CodeMirror-edit/src/util/bidi.js
---- CodeMirror-orig/src/util/bidi.js	2020-04-21 12:47:20.000000000 +0200
-+++ CodeMirror-edit/src/util/bidi.js	2020-05-02 03:12:44.418649800 +0200
+diff -NarU2 codemirror-5.59.3-orig/src/util/bidi.js codemirror-5.59.3/src/util/bidi.js
+--- codemirror-5.59.3-orig/src/util/bidi.js	2021-02-20 21:24:57.000000000 +0000
++++ codemirror-5.59.3/src/util/bidi.js	2021-02-21 20:52:18.168092225 +0000
 @@ -4,5 +4,5 @@
  
  export function iterateBidiSections(order, from, to, f) {
@@ -239,20 +239,19 @@ diff -NarU2 CodeMirror-orig/src/util/bidi.js CodeMirror-edit/src/util/bidi.js
 +  var fun = function(str, direction) {
      let outerType = direction == "ltr" ? "L" : "R"
  
-@@ -204,12 +210,16 @@
+@@ -204,5 +210,11 @@
      return direction == "rtl" ? order.reverse() : order
    }
--})()
- 
 +  return function(str, direction) {
 +    var ret = fun(str, direction);
 +    console.log("bidiOrdering inner ([%s], %s) => [%s]", str, direction, ret);
 +    return ret;
 +  }
-+})()
+ })()
 +*/
+ 
  // Get the bidi ordering for the given line (and cache it). Returns
- // false for lines that are fully left-to-right, and an array of
+@@ -210,6 +222,4 @@
  // BidiSpan objects otherwise.
  export function getOrder(line, direction) {
 -  let order = line.order
@@ -260,9 +259,9 @@ diff -NarU2 CodeMirror-orig/src/util/bidi.js CodeMirror-edit/src/util/bidi.js
 -  return order
 +  return false;
  }
-diff -NarU2 CodeMirror-orig/src/util/feature_detection.js CodeMirror-edit/src/util/feature_detection.js
---- CodeMirror-orig/src/util/feature_detection.js	2020-04-21 12:47:20.000000000 +0200
-+++ CodeMirror-edit/src/util/feature_detection.js	2020-05-02 03:16:21.085621400 +0200
+diff -NarU2 codemirror-5.59.3-orig/src/util/feature_detection.js codemirror-5.59.3/src/util/feature_detection.js
+--- codemirror-5.59.3-orig/src/util/feature_detection.js	2021-02-20 21:24:57.000000000 +0000
++++ codemirror-5.59.3/src/util/feature_detection.js	2021-02-21 20:49:22.191269270 +0000
 @@ -25,4 +25,5 @@
  }
  
diff --git a/scripts/deps-docker/easymde.patch b/scripts/deps-docker/easymde.patch
index c60c4f32..e3882836 100644
--- a/scripts/deps-docker/easymde.patch
+++ b/scripts/deps-docker/easymde.patch
@@ -1,33 +1,57 @@
-diff -NarU2 easymde-orig/gulpfile.js easymde-mod1/gulpfile.js
---- easymde-orig/gulpfile.js	2020-04-06 14:09:36.000000000 +0200
-+++ easymde-mod1/gulpfile.js	2020-05-01 14:33:52.260175200 +0200
+diff -NarU2 easy-markdown-editor-2.14.0-orig/gulpfile.js easy-markdown-editor-2.14.0/gulpfile.js
+--- easy-markdown-editor-2.14.0-orig/gulpfile.js	2021-02-14 12:11:48.000000000 +0000
++++ easy-markdown-editor-2.14.0/gulpfile.js	2021-02-21 20:55:37.134701007 +0000
 @@ -25,5 +25,4 @@
      './node_modules/codemirror/lib/codemirror.css',
      './src/css/*.css',
 -    './node_modules/codemirror-spell-checker/src/css/spell-checker.css',
  ];
  
-diff -NarU2 easymde-orig/package.json easymde-mod1/package.json
---- easymde-orig/package.json	2020-04-06 14:09:36.000000000 +0200
-+++ easymde-mod1/package.json	2020-05-01 14:33:57.189975800 +0200
+diff -NarU2 easy-markdown-editor-2.14.0-orig/package.json easy-markdown-editor-2.14.0/package.json
+--- easy-markdown-editor-2.14.0-orig/package.json	2021-02-14 12:11:48.000000000 +0000
++++ easy-markdown-editor-2.14.0/package.json	2021-02-21 20:55:47.761190082 +0000
 @@ -21,5 +21,4 @@
      "dependencies": {
-         "codemirror": "^5.52.2",
+         "codemirror": "^5.59.2",
 -        "codemirror-spell-checker": "1.1.2",
-         "marked": "^0.8.2"
+         "marked": "^2.0.0"
      },
-diff -NarU2 easymde-orig/src/js/easymde.js easymde-mod1/src/js/easymde.js
---- easymde-orig/src/js/easymde.js	2020-04-06 14:09:36.000000000 +0200
-+++ easymde-mod1/src/js/easymde.js	2020-05-01 14:34:19.878774400 +0200
-@@ -11,5 +11,4 @@
+diff -NarU2 easy-markdown-editor-2.14.0-orig/src/js/easymde.js easy-markdown-editor-2.14.0/src/js/easymde.js
+--- easy-markdown-editor-2.14.0-orig/src/js/easymde.js	2021-02-14 12:11:48.000000000 +0000
++++ easy-markdown-editor-2.14.0/src/js/easymde.js	2021-02-21 20:57:09.143171536 +0000
+@@ -12,5 +12,4 @@
  require('codemirror/mode/gfm/gfm.js');
  require('codemirror/mode/xml/xml.js');
 -var CodeMirrorSpellChecker = require('codemirror-spell-checker');
  var marked = require('marked/lib/marked');
  
-@@ -1889,18 +1888,7 @@
+@@ -1762,9 +1761,4 @@
+         options.autosave.uniqueId = options.autosave.unique_id;
  
+-    // If overlay mode is specified and combine is not provided, default it to true
+-    if (options.overlayMode && options.overlayMode.combine === undefined) {
+-      options.overlayMode.combine = true;
+-    }
+-
+     // Update this options
+     this.options = options;
+@@ -2003,28 +1997,7 @@
      var mode, backdrop;
+ 
+-    // CodeMirror overlay mode
+-    if (options.overlayMode) {
+-      CodeMirror.defineMode('overlay-mode', function(config) {
+-        return CodeMirror.overlayMode(CodeMirror.getMode(config, options.spellChecker !== false ? 'spell-checker' : 'gfm'), options.overlayMode.mode, options.overlayMode.combine);
+-      });
+-
+-      mode = 'overlay-mode';
+-      backdrop = options.parsingConfig;
+-      backdrop.gitHubSpice = false;
+-    } else {
+         mode = options.parsingConfig;
+         mode.name = 'gfm';
+         mode.gitHubSpice = false;
+-    }
 -    if (options.spellChecker !== false) {
 -        mode = 'spell-checker';
 -        backdrop = options.parsingConfig;
@@ -37,16 +61,28 @@ diff -NarU2 easymde-orig/src/js/easymde.js easymde-mod1/src/js/easymde.js
 -        CodeMirrorSpellChecker({
 -            codeMirrorInstance: CodeMirror,
 -        });
--    } else {
-         mode = options.parsingConfig;
-         mode.name = 'gfm';
-         mode.gitHubSpice = false;
 -    }
  
      // eslint-disable-next-line no-unused-vars
-@@ -1927,5 +1915,4 @@
-         configureMouse: configureMouse,
-         inputStyle: (options.inputStyle != undefined) ? options.inputStyle : isMobile() ? 'contenteditable' : 'textarea',
--        spellcheck: (options.nativeSpellcheck != undefined) ? options.nativeSpellcheck : true,
-     });
+diff -NarU2 easy-markdown-editor-2.14.0-orig/types/easymde.d.ts easy-markdown-editor-2.14.0/types/easymde.d.ts
+--- easy-markdown-editor-2.14.0-orig/types/easymde.d.ts	2021-02-14 12:11:48.000000000 +0000
++++ easy-markdown-editor-2.14.0/types/easymde.d.ts	2021-02-21 20:57:42.492620979 +0000
+@@ -160,9 +160,4 @@
+     }
  
+-    interface OverlayModeOptions {
+-      mode: CodeMirror.Mode<any>
+-      combine?: boolean
+-    }
+-
+     interface Options {
+         autoDownloadFontAwesome?: boolean;
+@@ -214,7 +209,5 @@
+ 
+         promptTexts?: PromptTexts;
+-        syncSideBySidePreviewScroll?: boolean;
+-
+-        overlayMode?: OverlayModeOptions
++        syncSideBySidePreviewScroll?: boolean
+     }
+ }