diff --git a/.gitea/workflows/python-package.yml b/.gitea/workflows/python-package.yml
index c29c732..09275ea 100644
--- a/.gitea/workflows/python-package.yml
+++ b/.gitea/workflows/python-package.yml
@@ -10,7 +10,7 @@ jobs:
     uses: jmaa/workflows/.gitea/workflows/python-package.yaml@v6.21
     with:
       REGISTRY_DOMAIN: gitfub.space
-      REGISTRY_ORGANIZATION: usagi-keiretsu
+      REGISTRY_ORGANIZATION: jmaa
     secrets:
       PIPY_REPO_USER: ${{ secrets.PIPY_REPO_USER }}
       PIPY_REPO_PASS: ${{ secrets.PIPY_REPO_PASS }}
diff --git a/.gitea/workflows/python-test.yml b/.gitea/workflows/python-test.yml
index d85fe9a..18b55db 100644
--- a/.gitea/workflows/python-test.yml
+++ b/.gitea/workflows/python-test.yml
@@ -1,4 +1,4 @@
-name: Test Python
+name: Run Python tests (through Pytest)
 
 on:
   push:
@@ -6,4 +6,26 @@ on:
 
 jobs:
   Test:
-    uses: jmaa/workflows/.gitea/workflows/python-test.yaml@v6.21
+    runs-on: ubuntu-latest
+    container:
+      image: node:21-bookworm
+    steps:
+      - name: Setting up Python ${{ env.PYTHON_VERSION }} for ${{runner.arch}} ${{runner.os}}
+        run: |
+           apt-get update
+           apt-get install -y python3 python3-pip
+      - name: Check out repository code
+        if: success()
+        uses: actions/checkout@v3
+      - name: Installing Python Dependencies
+        if: success()
+        run: python3 -m pip install --upgrade pip setuptools wheel build twine pytest pytest-cov --break-system-packages
+      - name: Installing Python Test Dependencies
+        if: success() && hashFiles('requirements_test.txt') != ''
+        run: python3 -m pip install --upgrade -r requirements_test.txt --break-system-packages
+      - name: Installing package
+        if: success()
+        run: python3 -m pip install .[test]  --break-system-packages
+      - name: Test Python Code
+        if: success()
+        run: python3 -m pytest test --cov=favro_sync --cov-report html:htmlcov --cov-fail-under=0
diff --git a/.gitea/workflows/python-version-check.yml b/.gitea/workflows/python-version-check.yml
new file mode 100644
index 0000000..998a20c
--- /dev/null
+++ b/.gitea/workflows/python-version-check.yml
@@ -0,0 +1,28 @@
+name: Verify Python project can be installed, loaded and have version checked
+
+on:
+  push:
+    paths-ignore: ["README.md", ".gitignore", "LICENSE", "ruff.toml"]
+
+jobs:
+  Test:
+    runs-on: ubuntu-latest
+    container:
+      image: node:21-bookworm
+    steps:
+      - name: Setting up Python ${{ env.PYTHON_VERSION }} for ${{runner.arch}} ${{runner.os}}
+        run: |
+           apt-get update
+           apt-get install -y python3 python3-pip
+      - name: Check out repository code
+        if: success()
+        uses: actions/checkout@v3
+      - name: Installing Python Dependencies
+        if: success()
+        run: python3 -m pip install --upgrade pip setuptools wheel build twine --break-system-packages
+      - name: Installing package
+        if: success()
+        run: python3 -m pip install .  --break-system-packages
+      - name: Check version field
+        if: success()
+        run: python3 -c "import favro_sync; assert favro_sync.__version__ is not None"
diff --git a/README.md b/README.md
index c1df6ad..d0274ca 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,9 @@
 
 
 
-# Favro Sync.
+# Favro Sync
+
+![Test program/library](https://gitfub.space/Jmaa/favro-sync/actions/workflows/python-test.yml/badge.svg)
 
 Filesystem in User Space for Favro.
 
@@ -24,6 +26,7 @@ Features:
   - Tags
   - Assignees
   - Dependencies
+  - Custom fields
 - Change card features:
   - Title
   - Description
@@ -59,14 +62,22 @@ Limitations:
 
 Following features are work in progress:
 
-- [ ] Frontmatter: Update Tags
-- [ ] Frontmatter: Updated assigned members
-- [ ] Frontmatter: Arbitrary structured data? Read-only.
-- [ ] Frontmatter: Dependencies. As vault links in Obsidian mode.
-- [ ] Allow users to toggle Obsidian mode, instead of being default.
-- [ ] Get the correct last-modified date.
-- [ ] Improve cache behaviour. User and tags can have much longer cache times.
-
+- [ ] Frontmatter: Writable Tags
+- [ ] Frontmatter: Writable assigned members
+- [ ] Frontmatter: Writable Tasks.
+    1. Save updated TaskList along with card (using `PUT cards`)
+    2. Get the Card's TaskList.
+    3. Remove all TaskList's except for the latest (how to determine latest?)
+    4. That's three requests just to save a freaking list of tasks!
+- [ ] Frontmatter: Writable Dependencies.
+- [ ] Usability: Richer directory structure
+- [ ] Usability: Allow users to toggle Obsidian mode, instead of being default.
+- [ ] Precision: Get the correct last-modified date.
+- [ ] Performance: Improve cache behaviour. User and tags can have much longer cache times.
+- [ ] Performance: Parallelize requests.
+    * Paginated pages can be easily parallelize.
+- [X] Frontmatter: Arbitrary structured data (Custom Fields)? Read-only.
+- [X] Frontmatter: Readable Dependencies. As vault links in Obsidian mode.
 
 ## Dependencies
 
@@ -81,6 +92,7 @@ Full list of requirements:
 - [requests-cache](https://pypi.org/project/requests-cache/)
 - [fuse-python](https://pypi.org/project/fuse-python/)
 - [secret_loader](https://gitfub.space/Jmaa/secret_loader)
+- [requests_util](https://gitfub.space/Jmaa/requests_util)
 - [marko](https://pypi.org/project/marko/)
 - [python-frontmatter](https://pypi.org/project/python-frontmatter/)
 
diff --git a/ruff.toml b/ruff.toml
index 317a9a2..c397e12 100644
--- a/ruff.toml
+++ b/ruff.toml
@@ -76,4 +76,5 @@ docstring-code-format = true
     "S101",    # Test Asserts
     "T201",    # Debug prints
     "PLR2004", # magic-value-comparison
+    'SLF001',  # Allow access to private members
 ]
diff --git a/setup.py b/setup.py
index 88df9aa..09c53cb 100644
--- a/setup.py
+++ b/setup.py
@@ -31,6 +31,7 @@ Features:
   - Tags
   - Assignees
   - Dependencies
+  - Custom fields
 - Change card features:
   - Title
   - Description
@@ -66,13 +67,22 @@ Limitations:
 
 Following features are work in progress:
 
-- [ ] Frontmatter: Update Tags
-- [ ] Frontmatter: Updated assigned members
-- [ ] Frontmatter: Arbitrary structured data? Read-only.
-- [ ] Frontmatter: Dependencies. As vault links in Obsidian mode.
-- [ ] Allow users to toggle Obsidian mode, instead of being default.
-- [ ] Get the correct last-modified date.
-- [ ] Improve cache behaviour. User and tags can have much longer cache times.
+- [ ] Frontmatter: Writable Tags
+- [ ] Frontmatter: Writable assigned members
+- [ ] Frontmatter: Writable Tasks.
+    1. Save updated TaskList along with card (using `PUT cards`)
+    2. Get the Card's TaskList.
+    3. Remove all TaskList's except for the latest (how to determine latest?)
+    4. That's three requests just to save a freaking list of tasks!
+- [ ] Frontmatter: Writable Dependencies.
+- [ ] Usability: Richer directory structure
+- [ ] Usability: Allow users to toggle Obsidian mode, instead of being default.
+- [ ] Precision: Get the correct last-modified date.
+- [ ] Performance: Improve cache behaviour. User and tags can have much longer cache times.
+- [ ] Performance: Parallelize requests.
+    * Paginated pages can be easily parallelize.
+- [X] Frontmatter: Arbitrary structured data (Custom Fields)? Read-only.
+- [X] Frontmatter: Readable Dependencies. As vault links in Obsidian mode.
 """.strip()
 
 PACKAGE_DESCRIPTION_SHORT = """
@@ -96,6 +106,7 @@ REQUIREMENTS_MAIN = [
     'requests-cache',
     'fuse-python',
     'secret_loader @ git+https://gitfub.space/Jmaa/secret_loader',
+    'requests_util @ git+https://gitfub.space/Jmaa/requests_util',
     'marko',
     'python-frontmatter',
 ]