diff --git a/Cargo.lock b/Cargo.lock
index b1cc47b1..cc18ccef 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1644,7 +1644,7 @@ dependencies = [
 
 [[package]]
 name = "nickel-lang-cli"
-version = "1.3.0"
+version = "1.4.0"
 dependencies = [
  "clap 4.4.7",
  "clap_complete",
@@ -1662,7 +1662,7 @@ dependencies = [
 
 [[package]]
 name = "nickel-lang-core"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "ansi_term",
  "assert_matches",
@@ -1717,7 +1717,7 @@ dependencies = [
 
 [[package]]
 name = "nickel-lang-lsp"
-version = "1.3.0"
+version = "1.4.0"
 dependencies = [
  "anyhow",
  "assert_cmd",
@@ -1762,7 +1762,7 @@ dependencies = [
 
 [[package]]
 name = "nickel-wasm-repl"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "nickel-lang-core",
 ]
@@ -2108,7 +2108,7 @@ dependencies = [
 
 [[package]]
 name = "pyckel"
-version = "1.3.0"
+version = "1.4.0"
 dependencies = [
  "codespan-reporting",
  "nickel-lang-core",
@@ -3070,7 +3070,7 @@ dependencies = [
 [[package]]
 name = "tree-sitter-ocaml"
 version = "0.20.4"
-source = "git+https://github.com/tree-sitter/tree-sitter-ocaml.git#694c57718fd85d514f8b81176038e7a4cfabcaaf"
+source = "git+https://github.com/tree-sitter/tree-sitter-ocaml.git#4abfdc1c7af2c6c77a370aee974627be1c285b3b"
 dependencies = [
  "cc",
  "tree-sitter",
@@ -3097,7 +3097,7 @@ dependencies = [
 [[package]]
 name = "tree-sitter-rust"
 version = "0.20.4"
-source = "git+https://github.com/tree-sitter/tree-sitter-rust.git#48e053397b587de97790b055a1097b7c8a4ef846"
+source = "git+https://github.com/tree-sitter/tree-sitter-rust.git#79456e6080f50fc1ca7c21845794308fa5d35a51"
 dependencies = [
  "cc",
  "tree-sitter",
diff --git a/Cargo.toml b/Cargo.toml
index edb282c9..1d8f61a0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ members = [
 resolver = "2"
 
 [workspace.package]
-version = "1.3.0"
+version = "1.4.0"
 authors = ["The Nickel Team <nickel-lang@protonmail.com>"]
 license = "MIT"
 edition = "2021"
@@ -21,9 +21,9 @@ homepage = "https://nickel-lang.org"
 readme = "README.md"
 
 [workspace.dependencies]
-nickel-lang-core = { version = "0.3", path = "./core", default-features = false }
-nickel-lang-utils = { version = "0.1", path = "./utils" }
-lsp-harness = { version = "0.1", path = "./lsp/lsp-harness" }
+nickel-lang-core = { version = "0.4.0", path = "./core", default-features = false }
+nickel-lang-utils = { version = "0.1.0", path = "./utils" }
+lsp-harness = { version = "0.1.0", path = "./lsp/lsp-harness" }
 
 # The wasm-bindgen version is pinned using `=` since flake.nix reads the version
 # number from Cargo.lock and needs to have matching output hashes for the source
diff --git a/RELEASES.md b/RELEASES.md
index 62adb497..83c4938e 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -1,5 +1,7 @@
-Next version (planned as 1.4)
-=============================
+Version 1.4
+===========
+
+Nickel 1.4 is a maintenance release, at the exception of a breaking change (see below).
 
 Breaking changes
 ----------------
@@ -21,6 +23,29 @@ Breaking changes
     `(.)` whenever possible, or you can just replace it with the new
     `std.record.get`.
 
+    (implemented by @yannham in https://github.com/tweag/nickel/pull/1752)
+
+Tooling
+-------
+
+* Search for imports in NICKEL_IMPORT_PATH by @jneem in https://github.com/tweag/nickel/pull/1716
+* Add a cli param --import-path to specify the search path by @jneem in https://github.com/tweag/nickel/pull/1721
+* LSP: Fix hover on assignments to subrecords by @jneem in https://github.com/tweag/nickel/pull/1725
+* Print something when nickel doc succeeds by @yannham in https://github.com/tweag/nickel/pull/1729
+* Add --error-format flag to serialize err diagnostics by @yannham in https://github.com/tweag/nickel/pull/1740
+* LSP: get record completion in arrays by @jneem in https://github.com/tweag/nickel/pull/1746
+
+Core language
+-------------
+
+* Support importing txt files as strings by @Quantum64 in https://github.com/tweag/nickel/pull/1734
+
+Fixes
+-----
+
+* `nickel format`: don't fail silently on invalid input anymore by @yannham in https://github.com/tweag/nickel/pull/1749
+* Update Topiary dependencies to correctly handle `(.)` in `nickel format` by @yannham in https://github.com/tweag/nickel/pull/1753
+
 Version 1.3
 ===========
 
diff --git a/RELEASING.md b/RELEASING.md
index 97963a00..0fc77c80 100644
--- a/RELEASING.md
+++ b/RELEASING.md
@@ -141,22 +141,24 @@ following steps manually.
    `./lsp/nls/Cargo.toml` for `nickel-lang-lsp` (work-around for
    [cargo:#4242](https://github.com/rust-lang/cargo/issues/4242).
 
-   **Commit those changes temporarily to please cargo, but they will be
-   dropped later. Do not push**.
-2. For all crates to be published, remove the `format` feature from the list of
+2. Remove references to `lsp-harness` from the `[dev-dependencies]` sections of
+   the `./lsp/nls/Cargo.toml` (workaround for the same issue as 1.).
+
+3. For all crates to be published, remove the `format` feature from the list of
    features (in the `[features]` section of their `Cargo.toml` file), remove all
    dependencies referenced by `format` (of the form `dep:xxx`) from the list of
    dependencies of the crate, and finally, remove `"format"` from the list of
    the default features.
 
-   **Commit those changes temporarily to please cargo, but they will be
-   dropped later. Do not push**.
-
    We have to do this because Topiary isn't published on `crates.io` yet, but
    `cargo` insists that we only depend on published crates. Thus, we have to
    abandon the format feature - which requires Topiary - for the version
    published to `crates.io`.
-3. Check that a dry run of `cargo publish` succeeds on the crates to be
+
+4. **Commit the changes made in 1., 2. and 3. temporarily to please cargo, but
+   they will be dropped later. Do not push**.
+
+5. Check that a dry run of `cargo publish` succeeds on the crates to be
    published (`nickel-lang-core`, `nickel-lang-cli` and `nickel-lang-lsp`):
 
    - `cargo publish -p nickel-lang-core --dry-run`
@@ -168,11 +170,13 @@ following steps manually.
    team](https://github.com/orgs/nickel-lang/teams/core), and have a `crates.io`
    API key saved locally on your machine (normally via `cargo login`). For help
    with this, contact the Nickel maintainers.
-4. Actually release `nickel-lang-core`, `nickel-lang-cli` and `nickel-lang-lsp`
+
+6. Actually release `nickel-lang-core`, `nickel-lang-cli` and `nickel-lang-lsp`
    (in that order, as the cli and the lsp depend on core) on crates.io:
    `cargo publish -p <crate-to-publish>`
-5. Ditch the potential changes made to the cargo manifests at step 1. and 2. by
-   dropping the corresponding commit.
+
+7. Ditch the potential changes made to the cargo manifests at steps 1., 2.
+   and 3. by dropping the corresponding commit
 
 ### Release on GitHub
 
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 41a5f911..0d8a591a 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "nickel-lang-core"
-version = "0.3.0"
+version = "0.4.0"
 description = "Programmable configuration files."
 authors.workspace = true
 edition.workspace = true
diff --git a/scripts/release.sh b/scripts/release.sh
index 5132b3f1..73e3f2a1 100755
--- a/scripts/release.sh
+++ b/scripts/release.sh
@@ -16,15 +16,24 @@
 # This is of course less robust. For now, it seems largely sufficient, but it
 # might break in the future if the Cargo.toml files style change.
 
+# In some cases it can be useful to leave the workspace in the state it was to
+# finish the release manually. In that case, set this variable to false.
+DO_CLEANUP=true
+
 # Perform clean up actions upon unexpected exit.
 cleanup() {
-  echo "++ Unexpected exit. Cleaning up..."
   set +e
 
-  for ((i=${#cleanup_actions[@]}-1; i>=0; i--)); do
-    echo "++ Running cleanup action: ${cleanup_actions[$i]}"
-    ${cleanup_actions[$i]} || true
-  done
+  if [[ $DO_CLEANUP == true ]]; then
+    echo "++ Unexpected exit. Cleaning up..."
+
+    for ((i=${#cleanup_actions[@]}-1; i>=0; i--)); do
+      echo "++ Running cleanup action: ${cleanup_actions[$i]}"
+      ${cleanup_actions[$i]} || true
+    done
+  else
+    echo "++ Unexpected exit. Leaving the workspace in its current state (DO_CLEANUP=$DO_CLEANUP)."
+  fi
 
   cleanup_actions=()
   exit 1
@@ -314,13 +323,13 @@ report_progress "Creating release branch..."
 
 release_branch="$new_workspace_version-release"
 
-if git rev-parse --verify --quiet "$release_branch"; then
+if git rev-parse --verify --quiet "$release_branch" > /dev/null; then
     confirm_proceed "  -- [WARNING] The branch '$release_branch' already exists. The script will skip forward to publication to crates.io (but still run checks)."
-   git switch "$release_branch"
+    git switch "$release_branch"
 
-   report_progress "Building and running checks..."
+    report_progress "Building and running checks..."
 
-   nix flake check
+    nix flake check
 else
     git switch --create "$release_branch" > /dev/null
     cleanup_actions+=("git branch -d $release_branch")
@@ -382,9 +391,10 @@ else
 
     # Patch workspace dependencies
     update_dependencies "workspace" "./Cargo.toml" version_map
-    # We need to update the lockfile here, because we changed ./Cargo.toml but Nix
-    # tries to build with --frozen, which will fail if the lockfile is outdated.
-    cargo update > /dev/null
+    # We need to update the lockfile here, at least for the dependencies that we
+    # might have bumped. We changed ./Cargo.toml but Nix tries to build with
+    # --frozen, which will fail if the lockfile is outdated.
+    cargo update "${!version_map[@]}" > /dev/null
     cleanup_actions+=("git restore ./Cargo.lock")
 
     git add ./Cargo.lock
@@ -394,7 +404,10 @@ else
 
     nix flake check
 
-    report_progress "Creating the release branch..."
+    report_progress "Checks run successfully."
+    confirm_proceed "  -- Please add the release notes to RELEASES.md if not already done. Save but don't commit. Then press 'y'."
+
+    report_progress "Pusing the release branch..."
 
     git commit -m "[release.sh] update to $new_workspace_version"
     git push -u origin "$release_branch"
@@ -408,7 +421,7 @@ else
 
     report_progress "If anything goes wrong from now on, you can restore the previous stable branch by resetting stable to stable-local-save"
 
-    confirm_proceed " -- Pushing the release branch to 'stable' and making it the new default"
+    confirm_proceed "  -- Pushing the release branch to 'stable' and making it the new default"
 
     git checkout stable
     git reset --hard "$release_branch"
@@ -434,7 +447,7 @@ EOF
 
 crates_to_publish=(core cli lsp/nls)
 
-report_progress "Removing 'nickel-lang-utils' from dev-dependencies..."
+report_progress "Removing 'nickel-lang-utils' and 'lsp-test-harness' from dev-dependencies..."
 
 for crate in "${crates_to_publish[@]}"; do
     # Remove `nickel-lang-utils` from `dev-dependencies` of released crates.
@@ -444,7 +457,8 @@ for crate in "${crates_to_publish[@]}"; do
     # crates.io)
     #
     # see [^tomlq-sed]
-    sed -i '/^nickel-lang-utils\.workspace\s*=\s*true$/d' "$crate/Cargo.toml"
+    sed -i '/^nickel-lang-utils\.workspace\s*=\s*true\s*$/d' "$crate/Cargo.toml"
+    sed -i '/^lsp-harness\.workspace\s*=\s*true\s*$/d' "$crate/Cargo.toml"
     cleanup_actions+=('git restore '"$crate/Cargo.toml")
 done
 
@@ -481,23 +495,31 @@ cargo install --force --path ./lsp/nls
 
 git restore ./Cargo.lock
 
-report_progress "Successfully installed locally. Trying a dry run of cargo publish..."
+report_progress "Successfully installed locally. Trying a dry run of cargo publish 'nickel-lang-core'"
 
 cargo publish -p nickel-lang-core --dry-run
-confirm_proceed "Dry run successful. Proceed with actual publication of 'nickel-lang-core' to crates.io ?"
+confirm_proceed "  -- Dry run successful. Proceed with actual publication of 'nickel-lang-core' to crates.io ?"
 cargo publish -p nickel-lang-core
 
+report_progress "'nickel-lang-core' published successfully"
+report_progress "Trying a dry run of cargo publish 'nickel-lang-cli'"
+
 cargo publish -p nickel-lang-cli --dry-run
-confirm_proceed "Dry run successful. Proceed with actual publication of 'nickel-lang-cli' to crates.io ?"
+confirm_proceed "  -- Dry run successful. Proceed with actual publication of 'nickel-lang-cli' to crates.io ?"
 cargo publish -p nickel-lang-cli
 
+report_progress "'nickel-lang-cli' published successfully"
+report_progress "Trying a dry run of cargo publish 'nickel-lang-lsp'"
+
 cargo publish -p nickel-lang-lsp --dry-run
-confirm_proceed "Dry run successful. Proceed with actual publication of 'nickel-lang-lsp' to crates.io ?"
+confirm_proceed "  -- Dry run successful. Proceed with actual publication of 'nickel-lang-lsp' to crates.io ?"
 cargo publish -p nickel-lang-lsp
 
+report_progress "'nickel-lang-lsp' published successfully"
 report_progress "Cleaning up..."
 
-# Undo the previous commit removing `nickel-lang-utils` from dev-dependencies
+# Undo the previous commit removing `nickel-lang-utils` and other stuff from
+# dependencies prior to publication
 git reset --hard HEAD~
 
 cleanup_actions=()
diff --git a/wasm-repl/Cargo.toml b/wasm-repl/Cargo.toml
index e5e385a0..eda38dc3 100644
--- a/wasm-repl/Cargo.toml
+++ b/wasm-repl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "nickel-wasm-repl"
-version = "0.3.0"
+version = "0.4.0"
 description = "WebAssembly REPL for the Nickel programming language."
 authors.workspace = true
 edition.workspace = true