diff --git a/.github/workflows/astrotheme.yml b/.github/workflows/astrotheme.yml
index e308845..dbc5bfa 100644
--- a/.github/workflows/astrotheme.yml
+++ b/.github/workflows/astrotheme.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        nvim-version: ["stable", "nightly"]
+        nvim-version: ["v0.10.0", "stable", "nightly"]
     name: Test Neovim ${{ matrix.nvim-version }}
     steps:
       - uses: actions/checkout@v4
@@ -29,7 +29,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
         with:
-          token: ${{ secrets.RELEASE_TOKEN != null && secrets.RELEASE_TOKEN || secrets.GITHUB_TOKEN }}
+          token: ${{ secrets.RELEASE_TOKEN || secrets.GITHUB_TOKEN }}
       - uses: rhysd/action-setup-vim@v1
         with:
           neovim: true
diff --git a/README.md b/README.md
index 5bc6908..8ed4196 100644
--- a/README.md
+++ b/README.md
@@ -227,7 +227,7 @@ term.foreground
 
 ## ⚡ Requirements
 
-- Neovim >= 0.8
+- Neovim >= 0.10
 
 ## 🔌 Supported Plugins
 
diff --git a/doc/astrotheme.txt b/doc/astrotheme.txt
index 4ad3200..7c06864 100644
--- a/doc/astrotheme.txt
+++ b/doc/astrotheme.txt
@@ -1,5 +1,5 @@
 *astrotheme.txt*
-                            For Neovim >= 0.9.0    Last change: 2026 August 27
+                            For Neovim >= 0.10.0    Last change: 2026 August 27
 
 ==============================================================================
 Table of Contents                               *astrotheme-table-of-contents*
@@ -216,7 +216,7 @@ modifiable palette names ~
 
 REQUIREMENTS                                         *astrotheme-requirements*
 
-- Neovim >= 0.8
+- Neovim >= 0.10
 
 
 SUPPORTED PLUGINS                               *astrotheme-supported-plugins*
diff --git a/extras/lua/astrodark.lua b/extras/lua/astrodark.lua
index d21c9c1..8b42727 100644
--- a/extras/lua/astrodark.lua
+++ b/extras/lua/astrodark.lua
@@ -146,7 +146,7 @@ local highlights = {
   ["@define"] = "@keyword.directive.define",
   ["@diff.delta"] = "DiffChange",
   ["@diff.minus"] = "DiffDelete",
-  ["@diff.plus"] = "DiffAdded",
+  ["@diff.plus"] = "Added",
   ["@enum"] = {
     fg = "#4AC2B8"
   },
@@ -969,15 +969,9 @@ local highlights = {
   DiffAdd = {
     bg = "#354632"
   },
-  DiffAdded = {
-    fg = "#87C05F"
-  },
   DiffChange = {
     bg = "#4B4124"
   },
-  DiffChanged = {
-    fg = "#F5983A"
-  },
   DiffDelete = {
     bg = "#53373D"
   },
@@ -996,9 +990,6 @@ local highlights = {
   DiffOldFile = {
     fg = "#F5983A"
   },
-  DiffRemoved = {
-    fg = "#FF838B"
-  },
   DiffText = {
     bg = "#554824"
   },
diff --git a/extras/lua/astrojupiter.lua b/extras/lua/astrojupiter.lua
index 067bd1b..5c43b33 100644
--- a/extras/lua/astrojupiter.lua
+++ b/extras/lua/astrojupiter.lua
@@ -146,7 +146,7 @@ local highlights = {
   ["@define"] = "@keyword.directive.define",
   ["@diff.delta"] = "DiffChange",
   ["@diff.minus"] = "DiffDelete",
-  ["@diff.plus"] = "DiffAdded",
+  ["@diff.plus"] = "Added",
   ["@enum"] = {
     fg = "#007652"
   },
@@ -969,15 +969,9 @@ local highlights = {
   DiffAdd = {
     bg = "#D0CFB9"
   },
-  DiffAdded = {
-    fg = "#467118"
-  },
   DiffChange = {
     bg = "#DFCAB3"
   },
-  DiffChanged = {
-    fg = "#954D00"
-  },
   DiffDelete = {
     bg = "#E7C2C0"
   },
@@ -996,9 +990,6 @@ local highlights = {
   DiffOldFile = {
     fg = "#954D00"
   },
-  DiffRemoved = {
-    fg = "#A13F37"
-  },
   DiffText = {
     bg = "#D8C2A7"
   },
diff --git a/extras/lua/astrolight.lua b/extras/lua/astrolight.lua
index c525a15..3675ddc 100644
--- a/extras/lua/astrolight.lua
+++ b/extras/lua/astrolight.lua
@@ -146,7 +146,7 @@ local highlights = {
   ["@define"] = "@keyword.directive.define",
   ["@diff.delta"] = "DiffChange",
   ["@diff.minus"] = "DiffDelete",
-  ["@diff.plus"] = "DiffAdded",
+  ["@diff.plus"] = "Added",
   ["@enum"] = {
     fg = "#00615B"
   },
@@ -969,15 +969,9 @@ local highlights = {
   DiffAdd = {
     bg = "#C6D2BA"
   },
-  DiffAdded = {
-    fg = "#345E00"
-  },
   DiffChange = {
     bg = "#D6BAE8"
   },
-  DiffChanged = {
-    fg = "#A34500"
-  },
   DiffDelete = {
     bg = "#E0BABA"
   },
@@ -996,9 +990,6 @@ local highlights = {
   DiffOldFile = {
     fg = "#A34500"
   },
-  DiffRemoved = {
-    fg = "#990000"
-  },
   DiffText = {
     bg = "#CFAEE5"
   },
diff --git a/extras/lua/astromars.lua b/extras/lua/astromars.lua
index ee19f8e..ae13326 100644
--- a/extras/lua/astromars.lua
+++ b/extras/lua/astromars.lua
@@ -146,7 +146,7 @@ local highlights = {
   ["@define"] = "@keyword.directive.define",
   ["@diff.delta"] = "DiffChange",
   ["@diff.minus"] = "DiffDelete",
-  ["@diff.plus"] = "DiffAdded",
+  ["@diff.plus"] = "Added",
   ["@enum"] = {
     fg = "#4FAD97"
   },
@@ -969,15 +969,9 @@ local highlights = {
   DiffAdd = {
     bg = "#383A29"
   },
-  DiffAdded = {
-    fg = "#84A860"
-  },
   DiffChange = {
     bg = "#473521"
   },
-  DiffChanged = {
-    fg = "#EF9474"
-  },
   DiffDelete = {
     bg = "#4E3134"
   },
@@ -996,9 +990,6 @@ local highlights = {
   DiffOldFile = {
     fg = "#EF9474"
   },
-  DiffRemoved = {
-    fg = "#DF8489"
-  },
   DiffText = {
     bg = "#503C22"
   },
diff --git a/extras/vim/colors/astrodark.vim b/extras/vim/colors/astrodark.vim
index 5e9a4fc..a8db75c 100644
--- a/extras/vim/colors/astrodark.vim
+++ b/extras/vim/colors/astrodark.vim
@@ -29,16 +29,13 @@ hi DiagnosticUnderlineOk gui=undercurl guibg=NONE guisp=#75AD47
 hi DiagnosticUnderlineWarn gui=undercurl guibg=NONE guisp=#D09214
 hi DiagnosticWarn guibg=NONE guifg=#D09214
 hi DiffAdd guibg=#354632
-hi DiffAdded guibg=NONE guifg=#87C05F
 hi DiffChange guibg=#4B4124
-hi DiffChanged guibg=NONE guifg=#F5983A
 hi DiffDelete guibg=#53373D
 hi DiffFile guibg=NONE guifg=#5EB7FF
 hi DiffIndexLine guibg=NONE guifg=#4AC2B8
 hi DiffLine guibg=NONE guifg=#ADB0BB
 hi DiffNewFile guibg=NONE guifg=#87C05F
 hi DiffOldFile guibg=NONE guifg=#F5983A
-hi DiffRemoved guibg=NONE guifg=#FF838B
 hi DiffText guibg=#554824
 hi Directory guibg=NONE guifg=#50A4E9
 hi EndOfBuffer guibg=NONE guifg=#3A3E47
diff --git a/extras/vim/colors/astrojupiter.vim b/extras/vim/colors/astrojupiter.vim
index 967f6de..bb09ffd 100644
--- a/extras/vim/colors/astrojupiter.vim
+++ b/extras/vim/colors/astrojupiter.vim
@@ -29,16 +29,13 @@ hi DiagnosticUnderlineOk gui=undercurl guibg=NONE guisp=#569400
 hi DiagnosticUnderlineWarn gui=undercurl guibg=NONE guisp=#AC7300
 hi DiagnosticWarn guibg=NONE guifg=#AC7300
 hi DiffAdd guibg=#D0CFB9
-hi DiffAdded guibg=NONE guifg=#467118
 hi DiffChange guibg=#DFCAB3
-hi DiffChanged guibg=NONE guifg=#954D00
 hi DiffDelete guibg=#E7C2C0
 hi DiffFile guibg=NONE guifg=#006E89
 hi DiffIndexLine guibg=NONE guifg=#007652
 hi DiffLine guibg=NONE guifg=#815654
 hi DiffNewFile guibg=NONE guifg=#467118
 hi DiffOldFile guibg=NONE guifg=#954D00
-hi DiffRemoved guibg=NONE guifg=#A13F37
 hi DiffText guibg=#D8C2A7
 hi Directory guibg=NONE guifg=#0090A2
 hi EndOfBuffer guibg=NONE guifg=#D0B6B6
diff --git a/extras/vim/colors/astrolight.vim b/extras/vim/colors/astrolight.vim
index d1bac7c..7ddee49 100644
--- a/extras/vim/colors/astrolight.vim
+++ b/extras/vim/colors/astrolight.vim
@@ -29,16 +29,13 @@ hi DiagnosticUnderlineOk gui=undercurl guibg=NONE guisp=#42AD17
 hi DiagnosticUnderlineWarn gui=undercurl guibg=NONE guisp=#E69400
 hi DiagnosticWarn guibg=NONE guifg=#E69400
 hi DiffAdd guibg=#C6D2BA
-hi DiffAdded guibg=NONE guifg=#345E00
 hi DiffChange guibg=#D6BAE8
-hi DiffChanged guibg=NONE guifg=#A34500
 hi DiffDelete guibg=#E0BABA
 hi DiffFile guibg=NONE guifg=#00508A
 hi DiffIndexLine guibg=NONE guifg=#00615B
 hi DiffLine guibg=NONE guifg=#4F4F4F
 hi DiffNewFile guibg=NONE guifg=#345E00
 hi DiffOldFile guibg=NONE guifg=#A34500
-hi DiffRemoved guibg=NONE guifg=#990000
 hi DiffText guibg=#CFAEE5
 hi Directory guibg=NONE guifg=#3F8CEA
 hi EndOfBuffer guibg=NONE guifg=#B5B9BD
diff --git a/extras/vim/colors/astromars.vim b/extras/vim/colors/astromars.vim
index 71d7a0c..0ec561e 100644
--- a/extras/vim/colors/astromars.vim
+++ b/extras/vim/colors/astromars.vim
@@ -29,16 +29,13 @@ hi DiagnosticUnderlineOk gui=undercurl guibg=NONE guisp=#9AC374
 hi DiagnosticUnderlineWarn gui=undercurl guibg=NONE guisp=#FFA31A
 hi DiagnosticWarn guibg=NONE guifg=#FFA31A
 hi DiffAdd guibg=#383A29
-hi DiffAdded guibg=NONE guifg=#84A860
 hi DiffChange guibg=#473521
-hi DiffChanged guibg=NONE guifg=#EF9474
 hi DiffDelete guibg=#4E3134
 hi DiffFile guibg=NONE guifg=#4FA9C6
 hi DiffIndexLine guibg=NONE guifg=#4FAD97
 hi DiffLine guibg=NONE guifg=#A5B2BC
 hi DiffNewFile guibg=NONE guifg=#84A860
 hi DiffOldFile guibg=NONE guifg=#EF9474
-hi DiffRemoved guibg=NONE guifg=#DF8489
 hi DiffText guibg=#503C22
 hi Directory guibg=NONE guifg=#9CBDC9
 hi EndOfBuffer guibg=NONE guifg=#393337
diff --git a/lua/astrotheme/groups/base.lua b/lua/astrotheme/groups/base.lua
index 75dea63..fe2b829 100644
--- a/lua/astrotheme/groups/base.lua
+++ b/lua/astrotheme/groups/base.lua
@@ -128,9 +128,6 @@ local function callback(c, opts)
     Added = { fg = c.syntax.green },
     Removed = { fg = c.syntax.red },
     Changed = { fg = c.syntax.orange },
-    DiffAdded = { fg = c.syntax.green }, -- NOTE: DEPRECATED IN v0.10
-    DiffRemoved = { fg = c.syntax.red }, -- NOTE: DEPRECATED IN v0.10
-    DiffChanged = { fg = c.syntax.orange }, -- NOTE: DEPRECATED IN v0.10
     DiffAdd = { bg = color.new(c.syntax.green):blend(base, 0.75):tohex() },
     DiffChange = { bg = color.new(c.syntax.yellow):blend(base, 0.75):tohex() },
     DiffDelete = { bg = color.new(c.syntax.red):blend(base, 0.75):tohex() },
diff --git a/lua/astrotheme/groups/treesitter.lua b/lua/astrotheme/groups/treesitter.lua
index 0b043e0..9e38533 100644
--- a/lua/astrotheme/groups/treesitter.lua
+++ b/lua/astrotheme/groups/treesitter.lua
@@ -124,7 +124,7 @@ local function callback(c, opts)
     ["@markup.list.unchecked"] = { fg = c.ui.blue, bold = true },
     ["@markup.list.checked"] = { fg = c.ui.cyan, bold = true },
 
-    ["@diff.plus"] = "DiffAdded",
+    ["@diff.plus"] = "Added",
     ["@diff.minus"] = "DiffDelete",
     ["@diff.delta"] = "DiffChange",