diff --git a/.github/workflows/test-queries.yml b/.github/workflows/test-queries.yml
index be9b758a4..0387482fb 100644
--- a/.github/workflows/test-queries.yml
+++ b/.github/workflows/test-queries.yml
@@ -1,12 +1,12 @@
 name: Test queries
 
 on:
-  push:
-    branches:
-      - "master"
+  # push:
+  #   branches:
+  #     - "main"
   pull_request:
     branches:
-      - "master"
+      - "main"
 
 # Cancel any in-progress CI runs for a PR if it is updated
 concurrency:
@@ -24,29 +24,33 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-2022, macos-latest]
         cc: [gcc, clang]
-        nvim_tag: [stable]
+        nvim_tag: [nightly]
         exclude:
           - os: ubuntu-latest
             cc: clang
-            nvim_tag: stable
+            nvim_tag: nightly
 
           - os: macos-latest
             cc: gcc
-            nvim_tag: stable
+            nvim_tag: nightly
+
+          - os: windows-2022
+            cc: gcc
+            nvim_tag: nightly
 
           - os: windows-2022
             cc: clang
-            nvim_tag: stable
-
-        include:
-          - os: windows-2022
-            cc: cl
-            nvim_tag: stable
-
-          - os: ubuntu-latest
-            cc: gcc
             nvim_tag: nightly
 
+        # include:
+          # - os: windows-2022
+          #   cc: cl
+          #   nvim_tag: nightly
+
+          # - os: ubuntu-latest
+          #   cc: gcc
+          #   nvim_tag: nightly
+
     name: Parser compilation
     runs-on: ${{ matrix.os }}
     env:
@@ -72,16 +76,12 @@ jobs:
         uses: actions/cache@v3
         with:
           path: |
-            ./parser/
-            ~/AppData/Local/nvim/pack/nvim-treesitter/start/nvim-treesitter/parser/
-          key: ${{ matrix.os }}-${{ matrix.cc }}-${{ matrix.nvim_tag }}-parsers-v1-${{ hashFiles('./lockfile.json', './lua/nvim-treesitter/parsers.lua', './lua/nvim-treesitter/install.lua', './lua/nvim-treesitter/shell_command_selectors.lua') }}
+            ~/.local/share/nvim/site/parser/
+            ~/AppData/Local/nvim-data/site/parser/
+          key: ${{ matrix.os }}-${{ matrix.cc }}-${{ matrix.nvim_tag }}-parsers-v1-${{ hashFiles('./lockfile.json', './lua/nvim-treesitter/parsers.lua', './lua/nvim-treesitter/install.lua', './lua/nvim-treesitter/util.lua') }}
 
       - name: Compile parsers
-        run: $NVIM --headless -c "lua require'nvim-treesitter.install'.prefer_git=false" -c "TSInstallSync all" -c "q"
-
-      - name: Post compile Windows
-        if: matrix.os == 'windows-2022'
-        run: cp -r ~/AppData/Local/nvim/pack/nvim-treesitter/start/nvim-treesitter/parser/* parser
+        run: $NVIM -l ./scripts/install-parsers.lua
 
       - name: Check query files
         run: ./scripts/check-queries.lua
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2393a78dc..59f852e1b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,12 +1,12 @@
 name: Tests
 
 on:
-  push:
-    branches:
-      - "master"
+  # push:
+  #   branches:
+  #     - "main"
   pull_request:
     branches:
-      - "master"
+      - "main"
 
 # Cancel any in-progress CI runs for a PR if it is updated
 concurrency:
@@ -42,7 +42,7 @@ jobs:
 
       - name: Install and prepare Neovim
         env:
-          NVIM_TAG: stable
+          NVIM_TAG: nightly
           TREE_SITTER_CLI_TAG: v0.20.8
         run: |
           bash ./scripts/ci-install-${{ matrix.os }}.sh
@@ -58,8 +58,7 @@ jobs:
 
       - name: Compile parsers Unix like
         if: ${{ matrix.os != 'windows-latest' && steps.parsers-cache.outputs.cache-hit != 'true' }}
-        run: |
-          nvim --headless -c "TSInstallSync all" -c "q"
+        run: nvim -l ./scripts/install-parsers.lua
 
       - name: Tests
         run: PATH=/usr/local/bin:$PATH ./scripts/run_tests.sh
diff --git a/.github/workflows/update-lockfile.yml b/.github/workflows/update-lockfile.yml
index 0956fd2c0..dca4296d1 100644
--- a/.github/workflows/update-lockfile.yml
+++ b/.github/workflows/update-lockfile.yml
@@ -12,7 +12,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
         with:
-          ref: master
+          ref: main
 
       - name: Prepare
         env:
diff --git a/.github/workflows/update-readme.yml b/.github/workflows/update-readme.yml
index 8a3691134..e01657698 100644
--- a/.github/workflows/update-readme.yml
+++ b/.github/workflows/update-readme.yml
@@ -3,7 +3,7 @@ name: Update README
 on:
   push:
     branches:
-      - master
+      - main
   workflow_dispatch:
 
 jobs:
diff --git a/TODO.md b/TODO.md
index d61d179d6..e5d9448a2 100644
--- a/TODO.md
+++ b/TODO.md
@@ -5,8 +5,9 @@ This document lists the planned and finished changes in this rewrite towards [Nv
 ## TODO
 
 - [ ] **`query_predicates.lua`:** upstream/remove
-- [ ] **`parsers.lua`:** modularize?
+- [ ] **`parsers.lua`:** add dependencies (and "query-only" langs like ecma, jsx, html_tags, ...)
 - [ ] **`parsers.lua`:** assign tiers
+- [ ] **`parsers.lua`:** modularize?
 - [ ] **`install.lua`:** simplify compilation:
   - hardcode one compiler + args per platform
   - provide `install.compile_command` for overriding (function that takes files, ...?)
diff --git a/plugin/query_predicates.lua b/plugin/query_predicates.lua
index 9de929aad..d01970acf 100644
--- a/plugin/query_predicates.lua
+++ b/plugin/query_predicates.lua
@@ -1,6 +1,6 @@
 local query = vim.treesitter.query
 
--- register custom predicates
+-- register custom predicates (overwrite existing; needed for CI)
 
 ---@param match (TSNode|nil)[]
 ---@param pred string[]
@@ -13,7 +13,7 @@ query.add_predicate('has-type?', function(match, _, _, pred)
 
   local types = { unpack(pred, 3) }
   return vim.list_contains(types, node:type())
-end)
+end, true)
 
 -- register custom directives
 
@@ -43,7 +43,7 @@ query.add_directive('set-lang-from-mimetype!', function(match, _, bufnr, pred, m
     local parts = vim.split(type_attr_value, '/', {})
     metadata['injection.language'] = parts[#parts]
   end
-end)
+end, true)
 
 local injection_aliases = {
   ex = 'elixir',
@@ -68,7 +68,7 @@ query.add_directive('set-lang-from-info-string!', function(match, _, bufnr, pred
   local injection_alias = vim.treesitter.get_node_text(node, bufnr)
   local filetype = vim.filetype.match({ filename = 'a.' .. injection_alias })
   metadata['injection.language'] = filetype or injection_aliases[injection_alias] or injection_alias
-end)
+end, true)
 
 query.add_directive('downcase!', function(match, _, bufnr, pred, metadata)
   local text, key, value ---@type string|string[], string, string|integer
@@ -95,7 +95,7 @@ query.add_directive('downcase!', function(match, _, bufnr, pred, metadata)
   else
     metadata[key] = string.lower(text)
   end
-end)
+end, true)
 
 -- Trim blank lines from end of the region
 -- Arguments are the captures to trim.
@@ -138,4 +138,4 @@ query.add_directive('trim!', function(match, _, bufnr, pred, metadata)
       metadata[id].range = { start_row, start_col, end_row, end_col }
     end
   end
-end)
+end, true)
diff --git a/scripts/check-queries.lua b/scripts/check-queries.lua
index fd039fa30..7e54ff368 100755
--- a/scripts/check-queries.lua
+++ b/scripts/check-queries.lua
@@ -104,17 +104,20 @@ local ok, result = pcall(do_check)
 local allowed_to_fail = vim.split(vim.env.ALLOWED_INSTALLATION_FAILURES or '', ',', true)
 
 for k, v in pairs(require('nvim-treesitter.parsers').configs) do
-  if #vim.api.nvim_get_runtime_file('parser/' .. k .. '.*', false) == 0 then
-    -- On CI all parsers that can be installed from C files should be installed
-    if
-      vim.env.CI
-      and not v.install_info.requires_generate_from_grammar
-      and not vim.list_contains(allowed_to_fail, k)
-    then
-      io_print('Error: parser for ' .. k .. ' is not installed')
-      vim.cmd('cq')
-    else
-      io_print('Warning: parser for ' .. k .. ' is not installed')
+  if v.install_info then
+    -- skip "query only" languages
+    if #vim.api.nvim_get_runtime_file('parser/' .. k .. '.*', false) == 0 then
+      -- On CI all parsers that can be installed from C files should be installed
+      if
+        vim.env.CI
+        and not v.install_info.requires_generate_from_grammar
+        and not vim.list_contains(allowed_to_fail, k)
+      then
+        io_print('Error: parser for ' .. k .. ' is not installed')
+        vim.cmd('cq')
+      else
+        io_print('Warning: parser for ' .. k .. ' is not installed')
+      end
     end
   end
 end
diff --git a/scripts/install-parsers.lua b/scripts/install-parsers.lua
new file mode 100755
index 000000000..ab06e538f
--- /dev/null
+++ b/scripts/install-parsers.lua
@@ -0,0 +1,15 @@
+#!/usr/bin/env -S nvim -l
+
+vim.opt.runtimepath:append('.')
+
+-- needed on CI
+vim.fn.mkdir(vim.fn.stdpath('cache'), 'p')
+
+local done = false
+require('nvim-treesitter.install').install('all', {}, function()
+  done = true
+end)
+
+vim.wait(6000000, function()
+  return done
+end)
diff --git a/scripts/minimal_init.lua b/scripts/minimal_init.lua
index 85665a4b0..c5edaf048 100644
--- a/scripts/minimal_init.lua
+++ b/scripts/minimal_init.lua
@@ -2,11 +2,11 @@ vim.opt.runtimepath:append('.')
 vim.cmd.runtime({ 'plugin/plenary.vim', bang = true })
 vim.cmd.runtime({ 'plugin/nvim-treesitter.lua', bang = true })
 vim.cmd.runtime({ 'plugin/query_predicates.lua', bang = true })
+vim.cmd.runtime({ 'plugin/filetypes.lua', bang = true })
 
 vim.filetype.add({
   extension = {
     conf = 'hocon',
-    cmm = 't32',
     hurl = 'hurl',
     ncl = 'nickel',
     tig = 'tiger',
@@ -24,6 +24,6 @@ require('nvim-treesitter').setup()
 vim.api.nvim_create_autocmd('FileType', {
   callback = function(args)
     pcall(vim.treesitter.start)
-    vim.bo[args.buffer].indentexpr = 'v:lua.require"nvim-treesitter".indentexpr()'
+    vim.bo[args.buf].indentexpr = 'v:lua.require"nvim-treesitter".indentexpr()'
   end,
 })
diff --git a/scripts/pre-push b/scripts/pre-push
deleted file mode 100755
index 8d425b3b6..000000000
--- a/scripts/pre-push
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/usr/bin/env bash
-
-# Can be used as a pre-push hook
-# Just symlink this file to .git/hooks/pre-push
-
-echo "Running linter..."
-luacheck .
-
-echo "Checking formatting..."
-stylua --check .
diff --git a/scripts/run_tests.sh b/scripts/run_tests.sh
index c6660a7f6..7ae6b22c5 100755
--- a/scripts/run_tests.sh
+++ b/scripts/run_tests.sh
@@ -4,7 +4,7 @@ HERE="$(dirname "$(realpath "${BASH_SOURCE[0]}")")"
 cd $HERE/..
 
 run() {
-    nvim --headless --noplugin -u scripts/minimal_init.lua \
+    nvim --headless --noplugin  -u scripts/minimal_init.lua \
         -c "PlenaryBustedDirectory $1 { minimal_init = './scripts/minimal_init.lua' }"
 }
 
diff --git a/tests/indent/common.lua b/tests/indent/common.lua
index b0212c0f6..3550ebbe5 100644
--- a/tests/indent/common.lua
+++ b/tests/indent/common.lua
@@ -74,7 +74,7 @@ assert:register(
 local function compare_indent(before, after, xfail)
   assert:add_formatter(format_indent)
   if xfail then
-    io.stdout:write('Warning! Known failure of this test! Please help to fix it! ')
+    -- io.stdout:write('Warning! Known failure of this test! Please help to fix it! ')
     assert.is_not.same_indent(before, after)
   else
     assert.is.same_indent(before, after)