diff --git a/code_patches.sh b/code_patches.sh
index 803468f..aac48ba 100755
--- a/code_patches.sh
+++ b/code_patches.sh
@@ -1,37 +1,46 @@
 #!/bin/bash
+set -euo pipefail
+LWD="$PWD"
 
-echo Backing up EmojiProvider.tsx...
+# TODO: cleanup, generify backup
+
+echo 'Backing up EmojiProvider.tsx...'
 if [ ! -f ../node_modules/matrix-react-sdk/src/autocomplete/EmojiProvider_backup.tsx ]; then
     cp ../node_modules/matrix-react-sdk/src/autocomplete/EmojiProvider.tsx ../node_modules/matrix-react-sdk/src/autocomplete/EmojiProvider_backup.tsx
 else
     cp ../node_modules/matrix-react-sdk/src/autocomplete/EmojiProvider_backup.tsx ../node_modules/matrix-react-sdk/src/autocomplete/EmojiProvider.tsx
 fi
 
-echo Backing up compact.json...
+echo 'Backing up compact.json...'
 if [ ! -f ../node_modules/emojibase-data/en/compact_backup.json ]; then
     cp ../node_modules/emojibase-data/en/compact.json ../node_modules/emojibase-data/en/compact_backup.json
 else
     cp ../node_modules/emojibase-data/en/compact_backup.json ../node_modules/emojibase-data/en/compact.json
 fi
 
-echo Adding custom emoji...
-jq -s -c '.[0] + .[1]' "../node_modules/emojibase-data/en/compact_backup.json" "./emoji.json" > "../node_modules/emojibase-data/en/compact.json"
+echo 'Adding custom emoji...'
+{
+    cd ./reactions;
+    ./generate.sh > "./data-injects~.json";
+    jq -sc '.[0] + .[1]' "../../node_modules/emojibase-data/en/compact_backup.json" "./data-injects~.json" > "../../node_modules/emojibase-data/en/compact.json";
+    rm "./data-injects~.json";
+    cd "$LWD";
+} || { echo "Failed to inject reactions: Exit code $?" 1>&2; exit $?; }
 
-
-echo Copying custom login background...
+echo 'Copying custom login background...'
 cp -f ./lake.jpg ../res/themes/element/img/backgrounds/lake.jpg
 
-echo Copying custom config.json...
+echo 'Copying custom config.json...'
 cp -f ./config.json ../config.sample.json
 
-echo Backing up _EmojiPicker.scss...
+echo 'Backing up _EmojiPicker.scss...'
 if [ ! -f ../node_modules/matrix-react-sdk/res/css/views/emojipicker/_EmojiPicker.scss.backup ]; then
     cp ../node_modules/matrix-react-sdk/res/css/views/emojipicker/_EmojiPicker.scss ../node_modules/matrix-react-sdk/res/css/views/emojipicker/_EmojiPicker.scss.backup
 else
     cp ../node_modules/matrix-react-sdk/res/css/views/emojipicker/_EmojiPicker.scss.backup ../node_modules/matrix-react-sdk/res/css/views/emojipicker/_EmojiPicker.scss
 fi
 
-echo Adding custom emoji picker CSS...
+echo 'Adding custom emoji picker CSS...'
 echo "
 .mx_EmojiPicker_item_wrapper {
     text-overflow: clip;
@@ -40,13 +49,13 @@ echo "
 }" >> ../node_modules/matrix-react-sdk/res/css/views/emojipicker/_EmojiPicker.scss
 
 
-echo Adding greentext patch...
+echo 'Adding greentext patch...'
 patch "../node_modules/commonmark/dist/commonmark.js" ./greentext.patch
 
-echo running component index fix...
+echo 'running component index fix...'
 cd ../node_modules/matrix-react-sdk
 yarn reskindex
 cd ../../element-web-patches
 
-echo running kick fix...
+echo 'running kick fix...'
 ./fix_kick.sh
diff --git a/emoji.json b/emoji.json
deleted file mode 100755
index bd6e884..0000000
--- a/emoji.json
+++ /dev/null
@@ -1,276 +0,0 @@
-[
-  {
-    "annotation": "based",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "based"
-    ],
-    "tags": [
-      "based"
-    ],
-    "unicode": "based"
-  },
-  {
-    "annotation": "cringe",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "cringe"
-    ],
-    "tags": [
-      "cringe"
-    ],
-    "unicode": "cringe"
-  },
-  {
-    "annotation": "yikes",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "yikes"
-    ],
-    "tags": [
-      "yikes"
-    ],
-    "unicode": "yikes"
-  },
-  {
-    "annotation": "cope",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "cope"
-    ],
-    "tags": [
-      "cope"
-    ],
-    "unicode": "cope"
-  },
-  {
-    "annotation": "Yes.",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "Yes."
-    ],
-    "tags": [
-      "Yes."
-    ],
-    "unicode": "Yes."
-  },
-  {
-    "annotation": "No.",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "No."
-    ],
-    "tags": [
-      "No."
-    ],
-    "unicode": "No."
-  },
-  {
-    "annotation": "(You)",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "(You)"
-    ],
-    "tags": [
-      "(You)"
-    ],
-    "unicode": "(You)"
-  },
-  {
-    "annotation": "lol",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "lol"
-    ],
-    "tags": [
-      "lol"
-    ],
-    "unicode": "lol"
-  },
-  {
-    "annotation": "RAPE",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "RAPE"
-    ],
-    "tags": [
-      "RAPE"
-    ],
-    "unicode": "RAPE"
-  },
-  {
-    "annotation": "F",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "F"
-    ],
-    "tags": [
-      "F"
-    ],
-    "unicode": "F"
-  },
-  {
-    "annotation": "vaggot",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "vaggot"
-    ],
-    "tags": [
-      "vaggot"
-    ],
-    "unicode": "vaggot"
-  },
-  {
-    "annotation": "vaxnigger",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "vaxnigger"
-    ],
-    "tags": [
-      "vaxnigger"
-    ],
-    "unicode": "vaxnigger"
-  },
-  {
-    "annotation": "Fag",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "Fag"
-    ],
-    "tags": [
-      "Fag"
-    ],
-    "unicode": "Fag"
-  },
-  {
-    "annotation": "simp",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "Fag"
-    ],
-    "tags": [
-      "simp"
-    ],
-    "unicode": "simp"
-  },
-  {
-    "annotation": "piss",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "piss"
-    ],
-    "tags": [
-      "piss"
-    ],
-    "unicode": "piss"
-  },
-  {
-    "annotation": "jelq",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "jelq"
-    ],
-    "tags": [
-      "jelq"
-    ],
-    "unicode": "jelq"
-  },
-  {
-    "annotation": "coom",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "coom"
-    ],
-    "tags": [
-      "coom"
-    ],
-    "unicode": "coom"
-  },
-  {
-    "annotation": "booba",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "booba"
-    ],
-    "tags": [
-      "booba"
-    ],
-    "unicode": "booba"
-  },
-  {
-    "annotation": "sinner",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "sinner"
-    ],
-    "tags": [
-      "sinner"
-    ],
-    "unicode": "sinner"
-  },
-
-  {
-    "annotation": "repent",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "repent"
-    ],
-    "tags": [
-      "repent"
-    ],
-    "unicode": "repent"
-  },
-  {
-    "annotation": "卐",
-    "group": 0,
-    "hexcode": "1F600",
-    "order": 1,
-    "shortcodes": [
-      "swastika"
-    ],
-    "tags": [
-      "卐"
-    ],
-    "unicode": "卐"
-  }
-]
diff --git a/fix_kick.sh b/fix_kick.sh
index 7440b56..da1d8a7 100755
--- a/fix_kick.sh
+++ b/fix_kick.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# TODO: Check `set -euo pipefail` compat
 # just to fix kick
 sed -i -e 's/remove/holocaust/g' \
 	-e 's/Removes/Holocausts/g' ../node_modules/matrix-react-sdk/src/SlashCommands.tsx
diff --git a/reactions/fetch-latest-format.sh b/reactions/fetch-latest-format.sh
new file mode 100755
index 0000000..da0b8f3
--- /dev/null
+++ b/reactions/fetch-latest-format.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+base="https://raw.githubusercontent.com/milesj/emojibase/master/packages/data/en"
+for file in compact.raw.json data.raw.json; do
+    echo "$file:"
+    curl -sf "$base/$file" | jq '.[] | select(.hexcode == "2721")' || exit $?
+done
diff --git a/reactions/generate.sh b/reactions/generate.sh
new file mode 100755
index 0000000..19230e0
--- /dev/null
+++ b/reactions/generate.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+# Run fetch-latest-format.sh for the most up-to-date emojibase format. Target is raw.json
+reactions="$(yq . /dev/stdin < reactions.yaml)"
+jq -n --argjson reactions "$reactions" \
+  '[
+  $reactions[] | {
+    annotation: .emoji,
+    label: .emoji,
+    emoticon: .emoji,
+    hexcode: "2721",
+    unicode: .emoji,
+    shortcodes: (.tags? + [ .emoji ]),
+    tags: (.tags? + [ .emoji ]),
+    emoji: .emoji,
+    text: .emoji,
+    type: 0,
+    order: 0,
+    group: 8,
+    subgroup: 93,
+    version: 0.7
+  }
+]'
+
+
diff --git a/reactions/reactions.yaml b/reactions/reactions.yaml
new file mode 100644
index 0000000..9c98003
--- /dev/null
+++ b/reactions/reactions.yaml
@@ -0,0 +1,33 @@
+- emoji: based
+- emoji: cringe
+- emoji: yikes
+- emoji: cope
+- emoji: seethe
+- emoji: dilate
+- emoji: '>'
+- emoji: 't. jewish'
+- emoji: 't. tard'
+- emoji: '>implying'
+- emoji: '>she'
+- emoji: '>her'
+- emoji: 'tard moment'
+- emoji: 'woman moment'
+- emoji: Yes.
+- emoji: No.
+- emoji: (You)
+- emoji: lol
+- emoji: RAPE
+- emoji: F
+- emoji: vaggot
+- emoji: vaxnigger
+- emoji: Fag
+- emoji: simp
+- emoji: piss
+- emoji: jelq
+- emoji: coom
+- emoji: booba
+- emoji: sinner
+- emoji: repent
+- emoji: 卐
+  tags:
+  - swastika