diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index 3f3532d141..ab62858b38 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -193,6 +193,7 @@ jobs:
             sccache-path: /home/runner/.cache/sccache
     env:
       SCCACHE_DIR: ${{ matrix.sccache-path }}
+      CARGO_INCREMENTAL: 0 # disabled to reduce target cache size
       RUSTC_WRAPPER: sccache
 
     steps:
diff --git a/.github/workflows/clippy.yml b/.github/workflows/clippy.yml
index bf19c24e14..470f8f30ce 100644
--- a/.github/workflows/clippy.yml
+++ b/.github/workflows/clippy.yml
@@ -29,18 +29,21 @@ jobs:
           toolchain: stable
           override: true
           components: clippy
+
       - name: core clippy check
         uses: actions-rs/clippy-check@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           args: --all-targets --all-features -- -D warnings
           name: core
+
       - name: wasm clippy check
         uses: actions-rs/clippy-check@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           args: --manifest-path ./bindings/wasm/Cargo.toml --all-targets --all-features -- -D warnings
           name: wasm
+
       - name: libjose clippy check
         uses: actions-rs/clippy-check@v1
         with:
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index ef27bcf626..b836bd0502 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -25,7 +25,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: nightly-2021-07-05
+          toolchain: nightly-2021-09-07
           override: true
           components: llvm-tools-preview
       - uses: actions-rs/install@v0.1
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 9e491a7086..e2c3581d99 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -26,21 +26,34 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: nightly-2021-07-05
+          toolchain: nightly-2021-09-07
           override: true
           components: rustfmt
+
+      - name: Install dprint
+        run: npm install -g dprint
+        #run: cargo install dprint # installing from source is slow, ~5 minutes
+
       - name: core fmt check
         uses: actions-rs/cargo@v1
         with:
           command: fmt
           args: --all -- --check
+
       - name: wasm fmt check
         uses: actions-rs/cargo@v1
         with:
           command: fmt
           args: --manifest-path ./bindings/wasm/Cargo.toml --all -- --check
+
       - name: libjose fmt check
         uses: actions-rs/cargo@v1
         with:
           command: fmt
           args: --manifest-path ./libjose/Cargo.toml --all -- --check
+
+      # Use `dprint` to check Cargo.toml formatting.
+      # To fix, run `dprint fmt` locally.
+      - name: Cargo.toml fmt check
+        run:
+          dprint check
diff --git a/.github/workflows/scripts/coverage.sh b/.github/workflows/scripts/coverage.sh
index 41675dd57c..798c83d1df 100755
--- a/.github/workflows/scripts/coverage.sh
+++ b/.github/workflows/scripts/coverage.sh
@@ -5,7 +5,7 @@ set -e
 rm -rf coverage
 mkdir coverage
 
-NIGHTLY="+nightly-2021-07-05"
+NIGHTLY="+nightly-2021-09-07"
 
 # Run tests with profiling instrumentation
 echo "Running instrumented unit tests..."
diff --git a/bindings/wasm/Cargo.toml b/bindings/wasm/Cargo.toml
index bc20870510..b6ed9c2d83 100644
--- a/bindings/wasm/Cargo.toml
+++ b/bindings/wasm/Cargo.toml
@@ -3,13 +3,13 @@ name = "identity-wasm"
 version = "0.3.0"
 authors = ["IOTA Stiftung"]
 edition = "2018"
-description = "Web Assembly bindings for the identity-rs crate."
+homepage = "https://www.iota.org"
+keywords = ["iota", "tangle", "identity", "wasm"]
+license = "Apache-2.0"
 readme = "README.md"
 repository = "https://github.com/iotaledger/identity.rs"
-license = "Apache-2.0"
-keywords = ["iota", "tangle", "identity", "wasm"]
-homepage = "https://www.iota.org"
 resolver = "2"
+description = "Web Assembly bindings for the identity-rs crate."
 
 [lib]
 crate-type = ["cdylib", "rlib"]
diff --git a/dprint.json b/dprint.json
new file mode 100644
index 0000000000..829af810cc
--- /dev/null
+++ b/dprint.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "https://dprint.dev/schemas/v0.json",
+  "incremental": true,
+  "toml": {
+  },
+  "includes": ["**/*.toml"],
+  "excludes": [],
+  "plugins": [
+    "https://plugins.dprint.dev/toml-0.5.1.wasm"
+  ]
+}
diff --git a/identity-account/Cargo.toml b/identity-account/Cargo.toml
index 768c706cb5..d94600b2eb 100644
--- a/identity-account/Cargo.toml
+++ b/identity-account/Cargo.toml
@@ -3,12 +3,12 @@ name = "identity-account"
 version = "0.3.0"
 authors = ["IOTA Stiftung"]
 edition = "2018"
-description = "Secure storage for Decentralized Identifiers and Verifiable Credentials."
+homepage = "https://www.iota.org"
+keywords = ["iota", "tangle", "identity"]
+license = "Apache-2.0"
 readme = "../README.md"
 repository = "https://github.com/iotaledger/identity.rs"
-license = "Apache-2.0"
-keywords = ["iota", "tangle", "identity"]
-homepage = "https://www.iota.org"
+description = "Secure storage for Decentralized Identifiers and Verifiable Credentials."
 
 [dependencies]
 actix = { version = "0.12.0", optional = true }
@@ -23,10 +23,7 @@ itoa = { version = "0.4" }
 log = { version = "0.4", default-features = false }
 once_cell = { version = "1.7", default-features = false, features = ["std"] }
 paste = { version = "1.0" }
-serde = { version = "1.0", default-features = false, features = [
-    "alloc",
-    "derive",
-] }
+serde = { version = "1.0", default-features = false, features = ["alloc", "derive"] }
 slog = { version = "2.7" }
 strum = { version = "0.21", features = ["derive"] }
 thiserror = { version = "1.0" }
@@ -50,20 +47,15 @@ optional = true
 [dev-dependencies]
 rand = { version = "0.8" }
 rusty-fork = { version = "0.3" }
-tokio = { version = "1.5", features = [
-    "macros",
-    "rt",
-    "rt-multi-thread",
-    "sync",
-] }
+tokio = { version = "1.5", features = ["macros", "rt", "rt-multi-thread", "sync"] }
 
 [features]
 mem-client = []
 stronghold = [
-    "iota_stronghold",
-    "stronghold_engine",
-    "actix",
-    "tokio/rt-multi-thread",
+  "iota_stronghold",
+  "stronghold_engine",
+  "actix",
+  "tokio/rt-multi-thread",
 ]
 wasm = ["identity-iota/wasm"]
 async = ["identity-iota/async"]
diff --git a/identity-account/src/lib.rs b/identity-account/src/lib.rs
index 200829ca78..0b2cf51b1a 100644
--- a/identity-account/src/lib.rs
+++ b/identity-account/src/lib.rs
@@ -6,10 +6,10 @@
   rust_2018_idioms,
   unreachable_pub,
   // missing_docs,
-  // missing_crate_level_docs,
-  broken_intra_doc_links,
-  private_intra_doc_links,
-  private_doc_tests,
+  // rustdoc::missing_crate_level_docs,
+  rustdoc::broken_intra_doc_links,
+  rustdoc::private_intra_doc_links,
+  rustdoc::private_doc_tests,
   clippy::missing_safety_doc,
   // clippy::missing_errors_doc
 )]
diff --git a/identity-comm/Cargo.toml b/identity-comm/Cargo.toml
index c3116a70f6..a61e4bfedb 100644
--- a/identity-comm/Cargo.toml
+++ b/identity-comm/Cargo.toml
@@ -3,12 +3,12 @@ name = "identity-comm"
 version = "0.3.0"
 authors = ["IOTA Stiftung"]
 edition = "2018"
-description = "An implementation of the DIDComm Messaging Specification."
+homepage = "https://www.iota.org"
+keywords = ["iota", "tangle", "identity"]
+license = "Apache-2.0"
 readme = "../README.md"
 repository = "https://github.com/iotaledger/identity.rs"
-license = "Apache-2.0"
-keywords = ["iota", "tangle", "identity"]
-homepage = "https://www.iota.org"
+description = "An implementation of the DIDComm Messaging Specification."
 
 [dependencies]
 identity-core = { path = "../identity-core", version = "=0.3.0" }
diff --git a/identity-comm/src/lib.rs b/identity-comm/src/lib.rs
index 564085dde8..ab40abb583 100644
--- a/identity-comm/src/lib.rs
+++ b/identity-comm/src/lib.rs
@@ -9,10 +9,10 @@
   rust_2018_idioms,
   // unreachable_pub,
   // missing_docs,
-  missing_crate_level_docs,
-  broken_intra_doc_links,
-  private_intra_doc_links,
-  private_doc_tests,
+  rustdoc::missing_crate_level_docs,
+  rustdoc::broken_intra_doc_links,
+  rustdoc::private_intra_doc_links,
+  rustdoc::private_doc_tests,
   clippy::missing_safety_doc,
   // clippy::missing_errors_doc,
 )]
diff --git a/identity-core/Cargo.toml b/identity-core/Cargo.toml
index 4e081968cc..32efd57053 100644
--- a/identity-core/Cargo.toml
+++ b/identity-core/Cargo.toml
@@ -3,26 +3,26 @@ name = "identity-core"
 version = "0.3.0"
 authors = ["IOTA Stiftung"]
 edition = "2018"
-description = "The core traits and types for the identity-rs library."
+homepage = "https://www.iota.org"
+keywords = ["iota", "tangle", "identity"]
+license = "Apache-2.0"
 readme = "../README.md"
 repository = "https://github.com/iotaledger/identity.rs"
-license = "Apache-2.0"
-keywords = ["iota", "tangle", "identity"]
-homepage = "https://www.iota.org"
+description = "The core traits and types for the identity-rs library."
 
 [dependencies]
 base64 = { version = "0.13", default-features = false, features = ["std"] }
 bs58 = { version = "0.4", default-features = false, features = ["std"] }
-multibase = { version = "0.9", default-features = false, features = ["std"] }
 chrono = { version = "0.4", default-features = false, features = ["clock", "std"] }
 hex = { version = "0.4", default-features = false }
 identity-diff = { version = "=0.3.0", path = "../identity-diff", default-features = false }
+multibase = { version = "0.9", default-features = false, features = ["std"] }
 roaring = { version = "0.7", default-features = false }
 serde = { version = "1.0", default-features = false, features = ["std", "derive"] }
 serde_jcs = { version = "0.1", default-features = false }
 serde_json = { version = "1.0", default-features = false, features = ["std"] }
-subtle = { version = "2.4", default-features = false }
 strum = { version = "0.21", features = ["derive"] }
+subtle = { version = "2.4", default-features = false }
 thiserror = { version = "1.0", default-features = false }
 typenum = { version = "1.13", default-features = false }
 url = { version = "2.2", default-features = false, features = ["serde"] }
@@ -34,9 +34,9 @@ default-features = false
 features = ["blake2b", "ed25519", "random", "sha"]
 
 [dev-dependencies]
-rand = { version = "0.8" }
 quickcheck = { version = "1.0" }
 quickcheck_macros = { version = "1.0" }
+rand = { version = "0.8" }
 
 [package.metadata.docs.rs]
 # To build locally:
diff --git a/identity-core/src/lib.rs b/identity-core/src/lib.rs
index 2d1c0e9c24..aa601d2616 100644
--- a/identity-core/src/lib.rs
+++ b/identity-core/src/lib.rs
@@ -9,10 +9,10 @@
   rust_2018_idioms,
   unreachable_pub,
   missing_docs,
-  missing_crate_level_docs,
-  broken_intra_doc_links,
-  private_intra_doc_links,
-  private_doc_tests,
+  rustdoc::missing_crate_level_docs,
+  rustdoc::broken_intra_doc_links,
+  rustdoc::private_intra_doc_links,
+  rustdoc::private_doc_tests,
   clippy::missing_safety_doc,
   // clippy::missing_errors_doc
 )]
diff --git a/identity-credential/Cargo.toml b/identity-credential/Cargo.toml
index b81835dbca..5db742ff5d 100644
--- a/identity-credential/Cargo.toml
+++ b/identity-credential/Cargo.toml
@@ -3,12 +3,12 @@ name = "identity-credential"
 version = "0.3.0"
 authors = ["IOTA Stiftung"]
 edition = "2018"
-description = "An implementation of the Verfiable Credentials standard."
+homepage = "https://www.iota.org"
+keywords = ["iota", "tangle", "identity"]
+license = "Apache-2.0"
 readme = "../README.md"
 repository = "https://github.com/iotaledger/identity.rs"
-license = "Apache-2.0"
-keywords = ["iota", "tangle", "identity"]
-homepage = "https://www.iota.org"
+description = "An implementation of the Verfiable Credentials standard."
 
 [dependencies]
 identity-core = { version = "=0.3.0", path = "../identity-core" }
diff --git a/identity-credential/src/lib.rs b/identity-credential/src/lib.rs
index 0c3e3deec6..340b67373d 100644
--- a/identity-credential/src/lib.rs
+++ b/identity-credential/src/lib.rs
@@ -9,10 +9,10 @@
   rust_2018_idioms,
   unreachable_pub,
   missing_docs,
-  missing_crate_level_docs,
-  broken_intra_doc_links,
-  private_intra_doc_links,
-  private_doc_tests,
+  rustdoc::missing_crate_level_docs,
+  rustdoc::broken_intra_doc_links,
+  rustdoc::private_intra_doc_links,
+  rustdoc::private_doc_tests,
   clippy::missing_safety_doc,
   // clippy::missing_errors_doc
 )]
diff --git a/identity-did/Cargo.toml b/identity-did/Cargo.toml
index 686df20e3b..cae99cadaa 100644
--- a/identity-did/Cargo.toml
+++ b/identity-did/Cargo.toml
@@ -3,12 +3,12 @@ name = "identity-did"
 version = "0.3.0"
 authors = ["IOTA Stiftung"]
 edition = "2018"
-description = "An implementation of the Decentralized Identifiers standard."
+homepage = "https://www.iota.org"
+keywords = ["iota", "tangle", "identity"]
+license = "Apache-2.0"
 readme = "../README.md"
 repository = "https://github.com/iotaledger/identity.rs"
-license = "Apache-2.0"
-keywords = ["iota", "tangle", "identity"]
-homepage = "https://www.iota.org"
+description = "An implementation of the Decentralized Identifiers standard."
 
 [dependencies]
 async-trait = { version = "0.1", default-features = false }
diff --git a/identity-did/src/lib.rs b/identity-did/src/lib.rs
index 084175325d..0b33ef6f18 100644
--- a/identity-did/src/lib.rs
+++ b/identity-did/src/lib.rs
@@ -9,10 +9,10 @@
   rust_2018_idioms,
   unreachable_pub,
   // missing_docs,
-  missing_crate_level_docs,
-  broken_intra_doc_links,
-  private_intra_doc_links,
-  private_doc_tests,
+  rustdoc::missing_crate_level_docs,
+  rustdoc::broken_intra_doc_links,
+  rustdoc::private_intra_doc_links,
+  rustdoc::private_doc_tests,
   clippy::missing_safety_doc,
   // clippy::missing_errors_doc
 )]
diff --git a/identity-diff/Cargo.toml b/identity-diff/Cargo.toml
index 54bb80051d..31674b1342 100644
--- a/identity-diff/Cargo.toml
+++ b/identity-diff/Cargo.toml
@@ -3,12 +3,12 @@ name = "identity-diff"
 version = "0.3.0"
 authors = ["IOTA Stiftung"]
 edition = "2018"
-description = "The `Diff` trait for the identity-rs library."
+homepage = "https://www.iota.org"
+keywords = ["iota", "tangle", "identity"]
+license = "Apache-2.0"
 readme = "../README.md"
 repository = "https://github.com/iotaledger/identity.rs"
-license = "Apache-2.0"
-keywords = ["iota", "tangle", "identity"]
-homepage = "https://www.iota.org"
+description = "The `Diff` trait for the identity-rs library."
 
 [dependencies]
 did_url = { version = "0.1", default-features = false, features = ["alloc"] }
diff --git a/identity-diff/derive/Cargo.toml b/identity-diff/derive/Cargo.toml
index a10eb32eca..9b45f0b3ec 100644
--- a/identity-diff/derive/Cargo.toml
+++ b/identity-diff/derive/Cargo.toml
@@ -3,12 +3,12 @@ name = "identity-derive"
 version = "0.3.0"
 authors = ["IOTA Stiftung"]
 edition = "2018"
-description = "Derive `Diff` support for the identity-rs library."
+homepage = "https://www.iota.org"
+keywords = ["iota", "tangle", "identity"]
+license = "Apache-2.0"
 readme = "../../README.md"
 repository = "https://github.com/iotaledger/identity.rs"
-license = "Apache-2.0"
-keywords = ["iota", "tangle", "identity"]
-homepage = "https://www.iota.org"
+description = "Derive `Diff` support for the identity-rs library."
 
 [lib]
 name = "identity_derive"
diff --git a/identity-diff/src/lib.rs b/identity-diff/src/lib.rs
index 2d5aa5c862..c1ffc622d3 100644
--- a/identity-diff/src/lib.rs
+++ b/identity-diff/src/lib.rs
@@ -9,10 +9,10 @@
   rust_2018_idioms,
   unreachable_pub,
   // missing_docs,
-  missing_crate_level_docs,
-  broken_intra_doc_links,
-  private_intra_doc_links,
-  private_doc_tests,
+  rustdoc::missing_crate_level_docs,
+  rustdoc::broken_intra_doc_links,
+  rustdoc::private_intra_doc_links,
+  rustdoc::private_doc_tests,
   clippy::missing_safety_doc,
   // clippy::missing_errors_doc,
 )]
diff --git a/identity-iota/Cargo.toml b/identity-iota/Cargo.toml
index 2e4092ed68..d5f5a4a239 100644
--- a/identity-iota/Cargo.toml
+++ b/identity-iota/Cargo.toml
@@ -3,12 +3,12 @@ name = "identity-iota"
 version = "0.3.0"
 authors = ["IOTA Stiftung"]
 edition = "2018"
-description = "An IOTA Tangle intergration for the identity-rs library."
+homepage = "https://www.iota.org"
+keywords = ["iota", "tangle", "identity"]
+license = "Apache-2.0"
 readme = "../README.md"
 repository = "https://github.com/iotaledger/identity.rs"
-license = "Apache-2.0"
-keywords = ["iota", "tangle", "identity"]
-homepage = "https://www.iota.org"
+description = "An IOTA Tangle intergration for the identity-rs library."
 
 [dependencies]
 async-trait = { version = "0.1", default-features = false }
diff --git a/identity-iota/src/lib.rs b/identity-iota/src/lib.rs
index 64281aeffc..5d146a0308 100644
--- a/identity-iota/src/lib.rs
+++ b/identity-iota/src/lib.rs
@@ -9,10 +9,10 @@
   rust_2018_idioms,
   unreachable_pub,
   // missing_docs,
-  missing_crate_level_docs,
-  broken_intra_doc_links,
-  private_intra_doc_links,
-  private_doc_tests,
+  rustdoc::missing_crate_level_docs,
+  rustdoc::broken_intra_doc_links,
+  rustdoc::private_intra_doc_links,
+  rustdoc::private_doc_tests,
   clippy::missing_safety_doc,
   // clippy::missing_errors_doc,
 )]
diff --git a/identity/Cargo.toml b/identity/Cargo.toml
index 85b67005a2..4476d32e16 100644
--- a/identity/Cargo.toml
+++ b/identity/Cargo.toml
@@ -2,14 +2,14 @@
 name = "identity"
 version = "0.3.0"
 authors = ["IOTA Stiftung"]
+documentation = "https://identity.docs.iota.org"
 edition = "2018"
-description = "Tools for working with Self-sovereign Identity."
+homepage = "https://www.iota.org"
+keywords = ["iota", "tangle", "identity", "did"]
+license = "Apache-2.0"
 readme = "../README.md"
 repository = "https://github.com/iotaledger/identity.rs"
-license = "Apache-2.0"
-keywords = ["iota", "tangle", "identity", "did"]
-homepage = "https://www.iota.org"
-documentation = "https://identity.docs.iota.org"
+description = "Tools for working with Self-sovereign Identity."
 
 [dependencies]
 identity-account = { version = "=0.3.0", path = "../identity-account", optional = true }
diff --git a/identity/src/lib.rs b/identity/src/lib.rs
index d230533626..9f6fc66f70 100644
--- a/identity/src/lib.rs
+++ b/identity/src/lib.rs
@@ -9,10 +9,10 @@
   rust_2018_idioms,
   unreachable_pub,
   missing_docs,
-  missing_crate_level_docs,
-  broken_intra_doc_links,
-  private_intra_doc_links,
-  private_doc_tests,
+  rustdoc::missing_crate_level_docs,
+  rustdoc::broken_intra_doc_links,
+  rustdoc::private_intra_doc_links,
+  rustdoc::private_doc_tests,
   clippy::missing_safety_doc,
   clippy::missing_errors_doc
 )]
diff --git a/libjose/Cargo.toml b/libjose/Cargo.toml
index b3ca331bc5..eeb99477b5 100644
--- a/libjose/Cargo.toml
+++ b/libjose/Cargo.toml
@@ -3,12 +3,12 @@ name = "libjose"
 version = "0.1.0"
 authors = ["IOTA Stiftung"]
 edition = "2018"
-description = "A library for JOSE (JSON Object Signing and Encryption)"
+homepage = "https://www.iota.org"
+keywords = ["iota", "tangle", "identity", "jose", "jwa", "jwe", "jwk", "jwm", "jws", "jwt"]
+license = "Apache-2.0"
 readme = "README.md"
 repository = "https://github.com/iotaledger/identity.rs"
-license = "Apache-2.0"
-keywords = ["iota", "tangle", "identity", "jose", "jwa", "jwe", "jwk", "jwm", "jws", "jwt"]
-homepage = "https://www.iota.org"
+description = "A library for JOSE (JSON Object Signing and Encryption)"
 
 [dependencies]
 base64 = { version = "0.13", default-features = false }
diff --git a/libjose/src/lib.rs b/libjose/src/lib.rs
index 6027670950..12872ce4ba 100644
--- a/libjose/src/lib.rs
+++ b/libjose/src/lib.rs
@@ -28,10 +28,10 @@
   rust_2018_idioms,
   // unreachable_pub,
   // missing_docs,
-  missing_crate_level_docs,
-  broken_intra_doc_links,
-  private_intra_doc_links,
-  private_doc_tests,
+  rustdoc::missing_crate_level_docs,
+  rustdoc::broken_intra_doc_links,
+  rustdoc::private_intra_doc_links,
+  rustdoc::private_doc_tests,
   clippy::missing_safety_doc,
   // clippy::missing_errors_doc,
 )]