diff --git a/extensions/autobiography-theme.yaml b/extensions/autobiography-theme.yaml
index c74207a..b97a1ab 100644
--- a/extensions/autobiography-theme.yaml
+++ b/extensions/autobiography-theme.yaml
@@ -7,7 +7,7 @@ main: dist/dist.css
 name: Autobiography
 content_type: SN|Theme
 area: themes
-version: 1.0.0
+version: 1.0.1
 thumbnail_url: https://s3.amazonaws.com/standard-notes/screenshots/models/themes/autobiography.jpg
 description: A theme for writers and readers.
 
diff --git a/extensions/callisto-theme.yaml b/extensions/callisto-theme.yaml
new file mode 100644
index 0000000..b99478d
--- /dev/null
+++ b/extensions/callisto-theme.yaml
@@ -0,0 +1,20 @@
+---
+id: io.github.Lissy93.sn-callisto-theme
+github: Lissy93/callisto-theme-standard-notes
+main: dist/dist.css
+
+name: Callisto
+content_type: SN|Theme
+area: themes
+version: 1.0.3
+marketing_url: https://github.com/Lissy93/callisto-theme-standard-notes
+thumbnail_url: https://raw.githubusercontent.com/Lissy93/callisto-theme-standard-notes/master/screenshot1.png
+description: Dusty background with teal accents.
+
+statusBar: dark-content
+dock_icon:
+  type: circle
+  background_color: '#0b1021'
+  foreground_color: '#d6085a'
+  border_color: '#1EE3B5'
+...
diff --git a/extensions/evernote-dark-theme.yaml b/extensions/evernote-dark-theme.yaml
index fa924e5..2abfc4b 100644
--- a/extensions/evernote-dark-theme.yaml
+++ b/extensions/evernote-dark-theme.yaml
@@ -1,14 +1,14 @@
 ---
-id: io.github.ilindaniel.sn-theme-evernote-dark
-github: ilindaniel/sn-theme-evernote-dark
+id: io.github.xthursdayx.sn-theme-evernote-dark
+github: xthursdayx/sn-theme-evernote-dark
 main: dist/dist.css
 
 name: Evernote-style Dark Theme
 content_type: SN|Theme
 area: themes
-version: v1.2
-marketing_url: https://github.com/ilindaniel/sn-theme-evernote-dark
-thumbnail_url: https://raw.githubusercontent.com/ilindaniel/sn-theme-evernote-dark/master/preview.png
+version: 1.2.6
+marketing_url: https://github.com/xthursdayx/sn-theme-evernote-dark
+thumbnail_url: https://raw.githubusercontent.com/xthursdayx/sn-theme-evernote-dark/master/preview.png
 description: Evernote inspired dark theme for Standard Notes.
 
 statusBar: dark-content
diff --git a/extensions/focus-theme.yaml b/extensions/focus-theme.yaml
index 3b6e3b0..c4313f5 100644
--- a/extensions/focus-theme.yaml
+++ b/extensions/focus-theme.yaml
@@ -7,7 +7,7 @@ main: dist/dist.css
 name: Focus
 content_type: SN|Theme
 area: themes
-version: 1.2.3
+version: 1.2.5
 marketing_url: https://standardnotes.org/extensions/focused
 thumbnail_url: https://s3.amazonaws.com/standard-notes/screenshots/models/themes/focus-with-mobile.jpg
 description: For when you need to go in.
diff --git a/extensions/futura-theme.yaml b/extensions/futura-theme.yaml
index 42d0947..b19ff4d 100644
--- a/extensions/futura-theme.yaml
+++ b/extensions/futura-theme.yaml
@@ -7,7 +7,7 @@ main: dist/dist.css
 name: Futura
 content_type: SN|Theme
 area: themes
-version: 1.2.2
+version: 1.2.4
 marketing_url: https://standardnotes.org/extensions/futura
 thumbnail_url: https://s3.amazonaws.com/standard-notes/screenshots/models/themes/futura-with-mobile.jpg
 description: Calm and relaxed. Take some time off.
diff --git a/extensions/horizon-dark-theme.yaml b/extensions/horizon-dark-theme.yaml
index a7e21e9..bb25729 100644
--- a/extensions/horizon-dark-theme.yaml
+++ b/extensions/horizon-dark-theme.yaml
@@ -6,9 +6,9 @@ main: dist/dist.css
 name: Horizon Dark
 content_type: SN|Theme
 area: themes
-version: 1.0.0
+version: 1.0
 marketing_url: https://github.com/shouhu21/sn-theme-horizon-dark
-thumbnail_url: https://github.com/shouhu21/sn-theme-horizon-dark/blob/main/preview.png
+thumbnail_url: https://raw.githubusercontent.com/shouhu21/sn-theme-horizon-dark/main/preview.png
 description: Standard Notes theme based on colors from the Horizon theme for VSCode.
 
 statusBar: dark-content
diff --git a/extensions/less-distraction-theme.yaml b/extensions/less-distraction-theme.yaml
index 0d43cc4..6126402 100644
--- a/extensions/less-distraction-theme.yaml
+++ b/extensions/less-distraction-theme.yaml
@@ -1,14 +1,14 @@
 ---
-id: io.github.alecstein.less-distraction
-github: alecstein/sn-less-distraction
+id: io.github.xthursdayx.less-distraction
+github: xthursdayx/sn-less-distraction
 main: dist/dist.css
 
 name: Less Distraction
 content_type: SN|Theme
 area: themes
-version: 0.0.5
-marketing_url: https://github.com/alecstein/sn-less-distraction
-thumbnail_url: https://raw.githubusercontent.com/alecstein/sn-less-distraction/master/screenshot.png
+version: 1.2.4
+marketing_url: https://github.com/xthursdayx/sn-less-distraction
+thumbnail_url: https://raw.githubusercontent.com/xthursdayx/sn-less-distraction/master/screenshot.png
 description: A theme for focusing on your writing.
 
 statusBar: dark-content
diff --git a/extensions/material-theme.yaml b/extensions/material-theme.yaml
index cefd70b..9faf4b0 100644
--- a/extensions/material-theme.yaml
+++ b/extensions/material-theme.yaml
@@ -1,19 +1,20 @@
 ---
-id: com.vantezzen.material-theme
-github: vantezzen/sn-theme-material
-main: src/main.css
+id: io.github.xthursdayx.sn-material-theme
+github: xthursdayx/sn-theme-material
+main: dist/dist.css
 
 name: Material Theme
 content_type: SN|Theme
 area: themes
-version: 1.0.0
-marketing_url: https://github.com/vantezzen/sn-theme-material
-thumbnail_url: https://raw.githubusercontent.com/vantezzen/sn-theme-material/master/screenshot.png
+version: 1.0.6
+marketing_url: https://github.com/xthursdayx/sn-theme-material
+thumbnail_url: https://raw.githubusercontent.com/xthursdayx/sn-theme-material/master/screenshot.png
 description: Material Theme for Standard Notes.
 
+statusBar: dark-content
 dock_icon:
   type: circle
   background_color: '#263238'
   foreground_color: '#FFFFFF'
-  border_color: '#263238'
+  border_color: '#009688'
 ...
diff --git a/extensions/midnight-theme.yaml b/extensions/midnight-theme.yaml
index 5acc8f0..5be890a 100644
--- a/extensions/midnight-theme.yaml
+++ b/extensions/midnight-theme.yaml
@@ -7,7 +7,7 @@ main: dist/dist.css
 name: Midnight
 content_type: SN|Theme
 area: themes
-version: 1.2.2
+version: 1.2.4
 marketing_url: https://standardnotes.org/extensions/midnight
 thumbnail_url: https://s3.amazonaws.com/standard-notes/screenshots/models/themes/midnight-with-mobile.jpg
 description: Elegant utilitarianism.
diff --git a/extensions/mojave-dark-theme.yaml b/extensions/mojave-dark-theme.yaml
index bb5da65..f437036 100644
--- a/extensions/mojave-dark-theme.yaml
+++ b/extensions/mojave-dark-theme.yaml
@@ -6,7 +6,7 @@ main: dist/mojave-dark-mode.css
 name: Mojave Dark Mode
 content_type: SN|Theme
 area: themes
-version: 0.0.3
+version: v0.0.3
 marketing_url: https://github.com/matthew-cox/sn-theme-mojave-dark-mode
 thumbnail_url: https://github.com/matthew-cox/sn-theme-mojave-dark-mode/raw/master/preview.png
 description: Standard Notes theme which roughly matches Mojave Dark Mode..
diff --git a/extensions/nord-theme.yaml b/extensions/nord-theme.yaml
index 4b18ca9..ce7ea54 100644
--- a/extensions/nord-theme.yaml
+++ b/extensions/nord-theme.yaml
@@ -1,3 +1,4 @@
+---
 id: io.github.lzambarda.sn-nord-theme
 github: lzambarda/sn-nord-theme
 main: theme.css
diff --git a/extensions/overcast-theme.yaml b/extensions/overcast-theme.yaml
index d97e886..da9abe0 100644
--- a/extensions/overcast-theme.yaml
+++ b/extensions/overcast-theme.yaml
@@ -6,10 +6,10 @@ main: dist/dist.css
 name: Overcast
 content_type: SN|Theme
 area: themes
-version: 1.2.0
-description: Overcast to become cloudy or dark — just like this theme.
+version: 1.2.2
 marketing_url: https://github.com/ceiphr/sn-overcast-theme
-thumbnail_url: https://i.imgur.com/KDnyBGx.png
+thumbnail_url: https://raw.githubusercontent.com/ceiphr/sn-overcast-theme/master/overcast.png
+description: Overcast to become cloudy or dark — just like this theme.
 
 statusBar: dark-content
 dock_icon:
diff --git a/extensions/pencil-theme.yaml b/extensions/pencil-theme.yaml
index cb5f243..406ed51 100644
--- a/extensions/pencil-theme.yaml
+++ b/extensions/pencil-theme.yaml
@@ -1,14 +1,13 @@
 ---
-id: io.github.alecstein.sn-pencil-theme
-github: alecstein/sn-pencil-theme
+id: io.github.xthursdayx.sn-pencil-theme
+github: xthursdayx/sn-pencil-theme
 main: dist/dist.css
 
-name: Pencil
+name: Pencil Theme
 content_type: SN|Theme
 area: themes
-version: 0.1.0
-marketing_url: https://github.com/alecstein/sn-pencil-theme
-thumbnail_url: https://raw.githubusercontent.com/alecstein/sn-less-distraction/master/screenshot.png
+version: 1.0.3
+marketing_url: https://github.com/xthursdayx/sn-pencil-theme
 description: A dark, writing-oriented theme.
 
 statusBar: dark-content
diff --git a/extensions/slate-theme.yaml b/extensions/slate-theme.yaml
index 314b452..c9c9943 100644
--- a/extensions/slate-theme.yaml
+++ b/extensions/slate-theme.yaml
@@ -8,7 +8,7 @@ content_type: SN|Theme
 area: themes
 version: v2.2.0
 marketing_url: https://github.com/yithian/slate-theme
-thumbnail_url: https://github.com/yithian/slate-theme/raw/main/images/sn-screenshot.png
+thumbnail_url: https://raw.githubusercontent.com/yithian/slate-theme/main/images/sn-screenshot.png
 description: A theme with shady grey and mossy green highlights.
 
 statusBar: dark-content
diff --git a/extensions/sn-ia-writer-quattro-theme.yaml b/extensions/sn-ia-writer-quattro-theme.yaml
new file mode 100644
index 0000000..e0f3d3a
--- /dev/null
+++ b/extensions/sn-ia-writer-quattro-theme.yaml
@@ -0,0 +1,13 @@
+---
+id: io.xthursdayx.sn-ia-writer-quattro
+github: xthursdayx/sn-ia-writer-quattro
+main: dist/theme.css
+
+name: SN iA Writer Quattro
+content_type: SN|Theme
+area: themes
+version: 1.0.5
+marketing_url: https://github.com/xthursdayx/sn-ia-writer-quattro
+description: Replace all monospace and sans-serif fonts with iA Writer Quattro.
+layerable: true
+...
diff --git a/extensions/solarized-dark-theme.yaml b/extensions/solarized-dark-theme.yaml
index 377579d..5a86d26 100644
--- a/extensions/solarized-dark-theme.yaml
+++ b/extensions/solarized-dark-theme.yaml
@@ -7,7 +7,7 @@ main: dist/dist.css
 name: Solarized Dark
 content_type: SN|Theme
 area: themes
-version: 1.2.1
+version: 1.2.3
 marketing_url: https://standardnotes.org/extensions/solarized-dark
 thumbnail_url: https://s3.amazonaws.com/standard-notes/screenshots/models/themes/solarized-dark.jpg
 description: The perfect theme for any time.
diff --git a/extensions/titanium-theme.yaml b/extensions/titanium-theme.yaml
index e795ae1..776da9f 100644
--- a/extensions/titanium-theme.yaml
+++ b/extensions/titanium-theme.yaml
@@ -7,7 +7,7 @@ main: dist/dist.css
 name: Titanium
 content_type: SN|Theme
 area: themes
-version: 1.2.2
+version: 1.2.4
 marketing_url: https://standardnotes.org/extensions/titanium
 thumbnail_url: https://s3.amazonaws.com/standard-notes/screenshots/models/themes/titanium-with-mobile.jpg
 description: Light on the eyes, heavy on the spirit.
diff --git a/extensions/uniform-dark-plus-theme.yaml b/extensions/uniform-dark-plus-theme.yaml
new file mode 100644
index 0000000..b0b6d4e
--- /dev/null
+++ b/extensions/uniform-dark-plus-theme.yaml
@@ -0,0 +1,20 @@
+---
+id: io.xthursdayx.uniform-dark-theme
+github: xthursdayx/uniform-dark-theme-sn
+main: dist/dist.css
+
+name: Uniform Dark+
+content_type: SN|Theme
+area: themes
+version: 1.0.4
+marketing_url: https://github.com/xthursdayx/uniform-dark-theme-sn/
+thumbnail_url: https://github.com/xthursdayx/uniform-dark-theme-sn/blob/master/Images/preview.png
+description: Theme inspired by Visual Studio Code's default dark theme, designed for Standard Notes. It is loosely based off my other theme that unifies VS Code's default dark theme.
+
+statusBar: dark-content
+dock_icon:
+  type: circle
+  background_color: '#1e1e1efc'
+  foreground_color: '#d4d4d4fc'
+  border_color: '#414141fc'
+...
diff --git a/extensions/yaru.yml b/extensions/yaru.yml
new file mode 100644
index 0000000..335914c
--- /dev/null
+++ b/extensions/yaru.yml
@@ -0,0 +1,20 @@
+---
+id: io.ceiphr.yaru
+github: ceiphr/sn-yaru-theme
+main: dist/dist.css
+
+name: Yaru
+content_type: SN|Theme
+area: themes
+version: 1.0.7
+marketing_url: https://github.com/ceiphr/sn-yaru-theme
+thumbnail_url: https://raw.githubusercontent.com/ceiphr/sn-yaru-theme/master/yaru.png
+description: This is an unofficial Yaru theme for Standard Notes.
+
+statusBar: dark-content
+dock_icon:
+  type: circle
+  background_color: '#df4a16'
+  foreground_color: '#ffffff'
+  border_color: '#df4a16'
+...