diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
index b3153ab1..86114716 100644
--- a/.github/ISSUE_TEMPLATE/bug_report.md
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -4,7 +4,6 @@ about: Create a report to help us improve
 title: ''
 labels: bug
 assignees: ''
-
 ---
 
 **Describe the bug**
diff --git a/.github/ISSUE_TEMPLATE/feature_request.md b/.github/ISSUE_TEMPLATE/feature_request.md
index 982a4dc0..a09346af 100644
--- a/.github/ISSUE_TEMPLATE/feature_request.md
+++ b/.github/ISSUE_TEMPLATE/feature_request.md
@@ -4,7 +4,6 @@ about: Suggest an idea for this project
 title: ''
 labels: feature-request
 assignees: ''
-
 ---
 
 **Is your feature request related to a problem? Please describe.**
diff --git a/.github/ISSUE_TEMPLATE/other-issue.md b/.github/ISSUE_TEMPLATE/other-issue.md
index 66864b61..c5a5faf2 100644
--- a/.github/ISSUE_TEMPLATE/other-issue.md
+++ b/.github/ISSUE_TEMPLATE/other-issue.md
@@ -4,7 +4,6 @@ about: Any other issue not covered by the above templates
 title: ''
 labels: ''
 assignees: ''
-
 ---
 
 **Describe the issue**
diff --git a/.github/ISSUE_TEMPLATE/syntax-highlighting.md b/.github/ISSUE_TEMPLATE/syntax-highlighting.md
index 4ab6c061..66da87a6 100644
--- a/.github/ISSUE_TEMPLATE/syntax-highlighting.md
+++ b/.github/ISSUE_TEMPLATE/syntax-highlighting.md
@@ -4,7 +4,6 @@ about: Create a bug report for erroneous syntax highlighting
 title: ''
 labels: syntax-highlight
 assignees: ''
-
 ---
 
 **Describe the bug**
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 47c6b010..280e55f7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,23 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [2.6.1]
+
+### Fixed
+
+- Fixes log channel not initialising when extension fails to activate
+  ([#286](https://github.com/krvajal/vscode-fortran-support/issues/286))
+
+## [2.6.0]
+
+### Added
+
+- Adds support for variable and path interpolation along with glob expressions
+  ([#231](https://github.com/krvajal/vscode-fortran-support/issues/231))
+  ([#86](https://github.com/krvajal/vscode-fortran-support/issues/86))
+- Adds explicit option `linterModOutput` for module output
+  ([#176](https://github.com/krvajal/vscode-fortran-support/issues/176))
+
 ## [2.5.0]
 
 ### Added
@@ -319,7 +336,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Initial release
 
-[unreleased]: https://github.com/krvajal/vscode-fortran-support/compare/v2.5.0...HEAD
+[unreleased]: https://github.com/krvajal/vscode-fortran-support/compare/v2.6.1...HEAD
+[2.6.1]: https://github.com/krvajal/vscode-fortran-support/compare/v2.6.0...v2.6.1
+[2.6.0]: https://github.com/krvajal/vscode-fortran-support/compare/v2.5.0...v2.6.0
 [2.5.0]: https://github.com/krvajal/vscode-fortran-support/compare/v2.4.3...v2.5.0
 [2.4.3]: https://github.com/krvajal/vscode-fortran-support/compare/v2.4.2...v2.4.3
 [2.4.2]: https://github.com/krvajal/vscode-fortran-support/compare/v2.4.1...v2.4.2
diff --git a/README.md b/README.md
index dcdc51c8..c05b0264 100644
--- a/README.md
+++ b/README.md
@@ -144,9 +144,9 @@ Two formatters are supported [`findent`](https://github.com/gnikit/findent-pypi)
 and [`fprettify`](https://github.com/pseewald/fprettify). Both of them can be
 installed with `pip` automatically through the extension.
 
-findent             |  fprettify
-:-------------------------:|:-------------------------:
-![](./images/findent-demo.gif)  |  ![](./images/fprettify-demo.gif)
+|            findent             |            fprettify             |
+| :----------------------------: | :------------------------------: |
+| ![](./images/findent-demo.gif) | ![](./images/fprettify-demo.gif) |
 
 The formatter is controlled by the user option
 
diff --git a/package-lock.json b/package-lock.json
index 6c2ec454..e673f9d1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,14 +1,16 @@
 {
   "name": "linter-gfortran",
-  "version": "2.5.0",
+  "version": "2.6.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "linter-gfortran",
-      "version": "2.5.0",
+      "version": "2.6.1",
       "license": "MIT",
       "dependencies": {
+        "fast-glob": "^3.2.7",
+        "glob": "^7.2.0",
         "vscode-languageclient": "^7.0.0",
         "which": "^2.0.2"
       },
@@ -25,7 +27,6 @@
         "eslint-plugin-import": "^2.25.3",
         "eslint-plugin-jsdoc": "^37.0.3",
         "eslint-plugin-prettier": "^4.0.0",
-        "glob": "^7.2.0",
         "husky": "^7.0.0",
         "lint-staged": "^11.2.6",
         "mocha": "^9.1.3",
@@ -210,7 +211,6 @@
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
       "integrity": "sha512-vq24Bq3ym5HEQm2NKCr3yXDwjc7vTsEThRDnkp2DK9p1uqLR+DHurm/NOTo0KG7HYHU7eppKZj3MyqYuMBf62g==",
-      "dev": true,
       "dependencies": {
         "@nodelib/fs.stat": "2.0.5",
         "run-parallel": "^1.1.9"
@@ -223,7 +223,6 @@
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-2.0.5.tgz",
       "integrity": "sha512-RkhPPp2zrqDAQA/2jNhnztcPAlv64XdhIp7a7454A5ovI7Bukxgt7MX7udwAu3zg1DcpPU0rz3VV1SeaqvY4+A==",
-      "dev": true,
       "engines": {
         "node": ">= 8"
       }
@@ -232,7 +231,6 @@
       "version": "1.2.8",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.walk/-/fs.walk-1.2.8.tgz",
       "integrity": "sha512-oGB+UxlgWcgQkgwo8GcEGwemoTFt3FIO9ababBmaGwXIoBKZ+GTy0pP185beGg7Llih/NSHSV2XAs1lnznocSg==",
-      "dev": true,
       "dependencies": {
         "@nodelib/fs.scandir": "2.1.5",
         "fastq": "^1.6.0"
@@ -736,7 +734,6 @@
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz",
       "integrity": "sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==",
-      "dev": true,
       "dependencies": {
         "fill-range": "^7.0.1"
       },
@@ -1579,7 +1576,6 @@
       "version": "3.2.7",
       "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-3.2.7.tgz",
       "integrity": "sha512-rYGMRwip6lUMvYD3BTScMwT1HtAs2d71SMv66Vrxs0IekGZEjhM0pcMfjQPnknBt2zeCwQMEupiN02ZP4DiT1Q==",
-      "dev": true,
       "dependencies": {
         "@nodelib/fs.stat": "^2.0.2",
         "@nodelib/fs.walk": "^1.2.3",
@@ -1595,7 +1591,6 @@
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
       "integrity": "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==",
-      "dev": true,
       "dependencies": {
         "is-glob": "^4.0.1"
       },
@@ -1619,7 +1614,6 @@
       "version": "1.13.0",
       "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.13.0.tgz",
       "integrity": "sha512-YpkpUnK8od0o1hmeSc7UUs/eB/vIPWJYjKck2QKIzAf71Vm1AAQ3EbuZB3g2JIy+pg+ERD0vqI79KyZiB2e2Nw==",
-      "dev": true,
       "dependencies": {
         "reusify": "^1.0.4"
       }
@@ -1640,7 +1634,6 @@
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
       "integrity": "sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==",
-      "dev": true,
       "dependencies": {
         "to-regex-range": "^5.0.1"
       },
@@ -1691,8 +1684,7 @@
     "node_modules/fs.realpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
-      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
-      "dev": true
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
     },
     "node_modules/fsevents": {
       "version": "2.3.2",
@@ -1808,7 +1800,6 @@
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.0.tgz",
       "integrity": "sha512-lmLf6gtyrPq8tTjSmrO94wBeQbFR3HbLHbuyD69wuyQkImp2hWqMGB47OX65FBkPffO641IP9jWa1z4ivqG26Q==",
-      "dev": true,
       "dependencies": {
         "fs.realpath": "^1.0.0",
         "inflight": "^1.0.4",
@@ -2050,7 +2041,6 @@
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
       "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
-      "dev": true,
       "dependencies": {
         "once": "^1.3.0",
         "wrappy": "1"
@@ -2059,8 +2049,7 @@
     "node_modules/inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
-      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
-      "dev": true
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
     "node_modules/internal-slot": {
       "version": "1.0.3",
@@ -2165,7 +2154,6 @@
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
       "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=",
-      "dev": true,
       "engines": {
         "node": ">=0.10.0"
       }
@@ -2183,7 +2171,6 @@
       "version": "4.0.3",
       "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.3.tgz",
       "integrity": "sha512-xelSayHH36ZgE7ZWhli7pW34hNbNl8Ojv5KVmkJD4hBdD3th8Tfk9vYasLM+mXWOZhFkgZfxhLSnrwRr4elSSg==",
-      "dev": true,
       "dependencies": {
         "is-extglob": "^2.1.1"
       },
@@ -2207,7 +2194,6 @@
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
       "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
-      "dev": true,
       "engines": {
         "node": ">=0.12.0"
       }
@@ -2620,7 +2606,6 @@
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
       "integrity": "sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==",
-      "dev": true,
       "engines": {
         "node": ">= 8"
       }
@@ -2629,7 +2614,6 @@
       "version": "4.0.4",
       "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.4.tgz",
       "integrity": "sha512-pRmzw/XUcwXGpD9aI9q/0XOwLNygjETJ8y0ao0wdqprrzDa4YnxLcz7fQRZr8voh8V10kGhABbNcHVk5wHgWwg==",
-      "dev": true,
       "dependencies": {
         "braces": "^3.0.1",
         "picomatch": "^2.2.3"
@@ -2932,7 +2916,6 @@
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
       "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
-      "dev": true,
       "dependencies": {
         "wrappy": "1"
       }
@@ -3060,7 +3043,6 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
       "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
-      "dev": true,
       "engines": {
         "node": ">=0.10.0"
       }
@@ -3093,7 +3075,6 @@
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.0.tgz",
       "integrity": "sha512-lY1Q/PiJGC2zOv/z391WOTD+Z02bCgsFfvxoXXf6h7kv9o+WmsmzYqrAwY63sNgOxE4xEdq0WyUnXfKeBrSvYw==",
-      "dev": true,
       "engines": {
         "node": ">=8.6"
       },
@@ -3183,7 +3164,6 @@
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/queue-microtask/-/queue-microtask-1.2.3.tgz",
       "integrity": "sha512-NuaNSa6flKT5JaSYQzJok04JzTL1CA6aGhv5rfLW3PgqA+M2ChpZQnAC8h8i4ZFkBS8X5RqkDBHA7r4hej3K9A==",
-      "dev": true,
       "funding": [
         {
           "type": "github",
@@ -3310,7 +3290,6 @@
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/reusify/-/reusify-1.0.4.tgz",
       "integrity": "sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==",
-      "dev": true,
       "engines": {
         "iojs": ">=1.0.0",
         "node": ">=0.10.0"
@@ -3335,7 +3314,6 @@
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       "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.2.0.tgz",
       "integrity": "sha512-5l4VyZR86LZ/lDxZTR6jqL8AFE2S0IFLMP26AbjsLVADxHdhB/c0GUsH+y39UfCi3dzz8OlQuPmnaJOMoDHQBA==",
-      "dev": true,
       "funding": [
         {
           "type": "github",
@@ -3652,7 +3630,6 @@
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
       "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
-      "dev": true,
       "dependencies": {
         "is-number": "^7.0.0"
       },
@@ -4015,8 +3992,7 @@
     "node_modules/wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "node_modules/y18n": {
       "version": "5.0.8",
@@ -4238,7 +4214,6 @@
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
       "integrity": "sha512-vq24Bq3ym5HEQm2NKCr3yXDwjc7vTsEThRDnkp2DK9p1uqLR+DHurm/NOTo0KG7HYHU7eppKZj3MyqYuMBf62g==",
-      "dev": true,
       "requires": {
         "@nodelib/fs.stat": "2.0.5",
         "run-parallel": "^1.1.9"
@@ -4247,14 +4222,12 @@
     "@nodelib/fs.stat": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-2.0.5.tgz",
-      "integrity": "sha512-RkhPPp2zrqDAQA/2jNhnztcPAlv64XdhIp7a7454A5ovI7Bukxgt7MX7udwAu3zg1DcpPU0rz3VV1SeaqvY4+A==",
-      "dev": true
+      "integrity": "sha512-RkhPPp2zrqDAQA/2jNhnztcPAlv64XdhIp7a7454A5ovI7Bukxgt7MX7udwAu3zg1DcpPU0rz3VV1SeaqvY4+A=="
     },
     "@nodelib/fs.walk": {
       "version": "1.2.8",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.walk/-/fs.walk-1.2.8.tgz",
       "integrity": "sha512-oGB+UxlgWcgQkgwo8GcEGwemoTFt3FIO9ababBmaGwXIoBKZ+GTy0pP185beGg7Llih/NSHSV2XAs1lnznocSg==",
-      "dev": true,
       "requires": {
         "@nodelib/fs.scandir": "2.1.5",
         "fastq": "^1.6.0"
@@ -4605,7 +4578,6 @@
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       "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz",
       "integrity": "sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==",
-      "dev": true,
       "requires": {
         "fill-range": "^7.0.1"
       }
@@ -5253,7 +5225,6 @@
       "version": "3.2.7",
       "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-3.2.7.tgz",
       "integrity": "sha512-rYGMRwip6lUMvYD3BTScMwT1HtAs2d71SMv66Vrxs0IekGZEjhM0pcMfjQPnknBt2zeCwQMEupiN02ZP4DiT1Q==",
-      "dev": true,
       "requires": {
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         "@nodelib/fs.walk": "^1.2.3",
@@ -5266,7 +5237,6 @@
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           "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
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-          "dev": true,
           "requires": {
             "is-glob": "^4.0.1"
           }
@@ -5289,7 +5259,6 @@
       "version": "1.13.0",
       "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.13.0.tgz",
       "integrity": "sha512-YpkpUnK8od0o1hmeSc7UUs/eB/vIPWJYjKck2QKIzAf71Vm1AAQ3EbuZB3g2JIy+pg+ERD0vqI79KyZiB2e2Nw==",
-      "dev": true,
       "requires": {
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@@ -5307,7 +5276,6 @@
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
       "integrity": "sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==",
-      "dev": true,
       "requires": {
         "to-regex-range": "^5.0.1"
       }
@@ -5346,8 +5314,7 @@
     "fs.realpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
-      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
-      "dev": true
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
     },
     "fsevents": {
       "version": "2.3.2",
@@ -5434,7 +5401,6 @@
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       "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.0.tgz",
       "integrity": "sha512-lmLf6gtyrPq8tTjSmrO94wBeQbFR3HbLHbuyD69wuyQkImp2hWqMGB47OX65FBkPffO641IP9jWa1z4ivqG26Q==",
-      "dev": true,
       "requires": {
         "fs.realpath": "^1.0.0",
         "inflight": "^1.0.4",
@@ -5595,7 +5561,6 @@
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       "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
-      "dev": true,
       "requires": {
         "once": "^1.3.0",
         "wrappy": "1"
@@ -5604,8 +5569,7 @@
     "inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
-      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
-      "dev": true
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
     "internal-slot": {
       "version": "1.0.3",
@@ -5679,8 +5643,7 @@
     "is-extglob": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
-      "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=",
-      "dev": true
+      "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI="
     },
     "is-fullwidth-code-point": {
       "version": "3.0.0",
@@ -5692,7 +5655,6 @@
       "version": "4.0.3",
       "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.3.tgz",
       "integrity": "sha512-xelSayHH36ZgE7ZWhli7pW34hNbNl8Ojv5KVmkJD4hBdD3th8Tfk9vYasLM+mXWOZhFkgZfxhLSnrwRr4elSSg==",
-      "dev": true,
       "requires": {
         "is-extglob": "^2.1.1"
       }
@@ -5706,8 +5668,7 @@
     "is-number": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
-      "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
-      "dev": true
+      "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng=="
     },
     "is-number-object": {
       "version": "1.0.6",
@@ -6014,14 +5975,12 @@
     "merge2": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
-      "integrity": "sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==",
-      "dev": true
+      "integrity": "sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg=="
     },
     "micromatch": {
       "version": "4.0.4",
       "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.4.tgz",
       "integrity": "sha512-pRmzw/XUcwXGpD9aI9q/0XOwLNygjETJ8y0ao0wdqprrzDa4YnxLcz7fQRZr8voh8V10kGhABbNcHVk5wHgWwg==",
-      "dev": true,
       "requires": {
         "braces": "^3.0.1",
         "picomatch": "^2.2.3"
@@ -6234,7 +6193,6 @@
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
       "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
-      "dev": true,
       "requires": {
         "wrappy": "1"
       }
@@ -6325,8 +6283,7 @@
     "path-is-absolute": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
-      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
-      "dev": true
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
     },
     "path-key": {
       "version": "3.1.1",
@@ -6349,8 +6306,7 @@
     "picomatch": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.0.tgz",
-      "integrity": "sha512-lY1Q/PiJGC2zOv/z391WOTD+Z02bCgsFfvxoXXf6h7kv9o+WmsmzYqrAwY63sNgOxE4xEdq0WyUnXfKeBrSvYw==",
-      "dev": true
+      "integrity": "sha512-lY1Q/PiJGC2zOv/z391WOTD+Z02bCgsFfvxoXXf6h7kv9o+WmsmzYqrAwY63sNgOxE4xEdq0WyUnXfKeBrSvYw=="
     },
     "pkg-dir": {
       "version": "2.0.0",
@@ -6412,8 +6368,7 @@
     "queue-microtask": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/queue-microtask/-/queue-microtask-1.2.3.tgz",
-      "integrity": "sha512-NuaNSa6flKT5JaSYQzJok04JzTL1CA6aGhv5rfLW3PgqA+M2ChpZQnAC8h8i4ZFkBS8X5RqkDBHA7r4hej3K9A==",
-      "dev": true
+      "integrity": "sha512-NuaNSa6flKT5JaSYQzJok04JzTL1CA6aGhv5rfLW3PgqA+M2ChpZQnAC8h8i4ZFkBS8X5RqkDBHA7r4hej3K9A=="
     },
     "randombytes": {
       "version": "2.1.0",
@@ -6503,8 +6458,7 @@
     "reusify": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/reusify/-/reusify-1.0.4.tgz",
-      "integrity": "sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==",
-      "dev": true
+      "integrity": "sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw=="
     },
     "rimraf": {
       "version": "3.0.2",
@@ -6519,7 +6473,6 @@
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.2.0.tgz",
       "integrity": "sha512-5l4VyZR86LZ/lDxZTR6jqL8AFE2S0IFLMP26AbjsLVADxHdhB/c0GUsH+y39UfCi3dzz8OlQuPmnaJOMoDHQBA==",
-      "dev": true,
       "requires": {
         "queue-microtask": "^1.2.2"
       }
@@ -6756,7 +6709,6 @@
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
       "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
-      "dev": true,
       "requires": {
         "is-number": "^7.0.0"
       }
@@ -7046,8 +6998,7 @@
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "y18n": {
       "version": "5.0.8",
diff --git a/package.json b/package.json
index 0f1c3200..98468973 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "linter-gfortran",
   "displayName": "Modern Fortran",
   "description": "Modern Fortran language support, including syntax highlighting and error detection.",
-  "version": "2.5.0",
+  "version": "2.6.1",
   "publisher": "krvajalm",
   "license": "MIT",
   "author": {
@@ -160,6 +160,11 @@
           ],
           "description": "Specify additional options to use when calling the gfortran compiler"
         },
+        "fortran.linterModOutput": {
+          "type": "string",
+          "default": "",
+          "description": "Global output directory for .mod files `-J<linterModOutput>`"
+        },
         "fortran.formatting.formatter": {
           "type": "string",
           "default": "findent",
@@ -259,7 +264,6 @@
     "eslint-plugin-import": "^2.25.3",
     "eslint-plugin-jsdoc": "^37.0.3",
     "eslint-plugin-prettier": "^4.0.0",
-    "glob": "^7.2.0",
     "husky": "^7.0.0",
     "lint-staged": "^11.2.6",
     "mocha": "^9.1.3",
@@ -275,6 +279,8 @@
     ]
   },
   "dependencies": {
+    "fast-glob": "^3.2.7",
+    "glob": "^7.2.0",
     "vscode-languageclient": "^7.0.0",
     "which": "^2.0.2"
   }
diff --git a/src/extension.ts b/src/extension.ts
index df0b13c3..6bc4247c 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -14,8 +14,10 @@ import * as pkg from '../package.json';
 import { LANG_SERVER_TOOL_ID } from './lib/tools';
 import { FortranFormattingProvider } from './features/formatting-provider';
 
+// Make it global to catch errors when activation fails
+const loggingService = new LoggingService();
+
 export function activate(context: vscode.ExtensionContext) {
-  const loggingService = new LoggingService();
   const extensionConfig = vscode.workspace.getConfiguration(EXTENSION_ID);
 
   loggingService.logInfo(`Extension Name: ${pkg.displayName}`);
diff --git a/src/features/linter-provider.ts b/src/features/linter-provider.ts
index 637dfae7..30afb831 100644
--- a/src/features/linter-provider.ts
+++ b/src/features/linter-provider.ts
@@ -6,6 +6,9 @@ import { FORTRAN_DOCUMENT_SELECTOR, getIncludeParams } from '../lib/helper';
 
 import * as vscode from 'vscode';
 import { LoggingService } from '../services/logging-service';
+import { resolveVariables } from '../lib/tools';
+import * as fg from 'fast-glob';
+import { glob } from 'glob';
 
 export default class FortranLintingProvider {
   constructor(private loggingService: LoggingService) {}
@@ -95,12 +98,12 @@ export default class FortranLintingProvider {
   }
 
   private constructArgumentList(textDocument: vscode.TextDocument): string[] {
-    const options = vscode.workspace.rootPath ? { cwd: vscode.workspace.rootPath } : undefined;
     const args = [
       '-fsyntax-only',
       '-cpp',
       '-fdiagnostics-show-option',
       ...this.getLinterExtraArgs(),
+      this.getModOutputDir(),
     ];
     const includePaths = this.getIncludePaths();
 
@@ -159,12 +162,53 @@ export default class FortranLintingProvider {
     this.command.dispose();
   }
 
+  private getModOutputDir(): string {
+    const config = vscode.workspace.getConfiguration('fortran');
+    let modout: string = config.get('linterModOutput', '');
+    if (modout) {
+      modout = '-J' + resolveVariables(modout);
+      this.loggingService.logInfo(`Linter.moduleOutput`);
+    }
+    return modout;
+  }
+
   private getIncludePaths(): string[] {
     const config = vscode.workspace.getConfiguration('fortran');
     const includePaths: string[] = config.get('includePaths', []);
-
-    return includePaths;
+    // Output the original include paths
+    this.loggingService.logInfo(`Linter.include:\n${includePaths.join('\r\n')}`);
+    // Resolve internal variables and expand glob patterns
+    const resIncludePaths = includePaths.map(e => resolveVariables(e));
+    // This needs to be after the resolvevariables since {} are used in globs
+    try {
+      const globIncPaths: string[] = fg.sync(resIncludePaths, {
+        onlyDirectories: true,
+        suppressErrors: false,
+      });
+      return globIncPaths;
+      // Try to recover from fast-glob failing due to EACCES using slower more
+      // robust glob.
+    } catch (eacces) {
+      this.loggingService.logWarning(`You lack read permissions for an include directory
+          or more likely a glob match from the input 'includePaths' list. This can happen when
+          using overly broad root level glob patters e.g. /usr/lib/** .
+          No reason to worry. I will attempt to recover. 
+          You should consider adjusting your 'includePaths' if linting performance is slow.`);
+      this.loggingService.logWarning(`${eacces.message}`);
+      try {
+        const globIncPaths: string[] = [];
+        for (const i of resIncludePaths) {
+          // use '/' to match only directories and not files
+          globIncPaths.push(...glob.sync(i + '/', { strict: false }));
+        }
+        return globIncPaths;
+        // if we failed again then our includes are somehow wrong. Abort
+      } catch (error) {
+        this.loggingService.logError(`Failed to recover: ${error}`);
+      }
+    }
   }
+
   private getGfortranPath(): string {
     const config = vscode.workspace.getConfiguration('fortran');
     const gfortranPath = config.get('gfortranExecutable', 'gfortran');
@@ -174,6 +218,8 @@ export default class FortranLintingProvider {
 
   private getLinterExtraArgs(): string[] {
     const config = vscode.workspace.getConfiguration('fortran');
-    return config.get('linterExtraArgs', ['-Wall']);
+    const args = config.get('linterExtraArgs', ['-Wall']).map(e => resolveVariables(e));
+    this.loggingService.logInfo(`Linter.arguments:\n${args.join('\r\n')}`);
+    return args.map(e => resolveVariables(e));
   }
 }
diff --git a/src/lib/helper.ts b/src/lib/helper.ts
index 0753e793..794c0c09 100644
--- a/src/lib/helper.ts
+++ b/src/lib/helper.ts
@@ -157,3 +157,35 @@ export function promptForMissingTool(
     );
   });
 }
+
+export function isUri(input: any): input is vscode.Uri {
+  return input && input instanceof vscode.Uri;
+}
+
+export function isString(input: any): input is string {
+  return typeof input === 'string';
+}
+
+export function isNumber(input: any): input is number {
+  return typeof input === 'number';
+}
+
+export function isBoolean(input: any): input is boolean {
+  return typeof input === 'boolean';
+}
+
+export function isObject(input: any): input is object {
+  return typeof input === 'object';
+}
+
+export function isArray(input: any): input is any[] {
+  return input instanceof Array;
+}
+
+export function isOptionalString(input: any): input is string | undefined {
+  return input === undefined || isString(input);
+}
+
+export function isArrayOfString(input: any): input is string[] {
+  return isArray(input) && input.every(isString);
+}
diff --git a/src/lib/tools.ts b/src/lib/tools.ts
index 1fafdc8a..a295d96e 100644
--- a/src/lib/tools.ts
+++ b/src/lib/tools.ts
@@ -1,8 +1,15 @@
 export const LANG_SERVER_TOOL_ID = 'fortran-language-server';
 export const FORMATTERS = ['Disabled', 'findent', 'fprettify'];
 
+import * as os from 'os';
+import * as vscode from 'vscode';
+import * as assert from 'assert';
 import * as cp from 'child_process';
 import { LoggingService } from '../services/logging-service';
+import { isString, isArrayOfString } from './helper';
+
+// Platform-specific environment variable delimiter
+export const envDelimiter: string = process.platform === 'win32' ? ';' : ':';
 
 export function installPythonTool(pyPackage: string, logger?: LoggingService) {
   const installProcess = cp.spawn('pip', 'install --user --upgrade '.concat(pyPackage).split(' '));
@@ -20,3 +27,96 @@ export function installPythonTool(pyPackage: string, logger?: LoggingService) {
     logger.logError(`${err}`);
   });
 }
+
+/**
+ * Resolve VSCode internal variables `workspaceFolder`, `env`, `config`, etc.
+ *
+ * @param input string for which we will substitute internal variables
+ * @param additionalEnvironment Additional environmental variables
+ * @returns
+ */
+export function resolveVariables(
+  input: string | undefined,
+  additionalEnvironment?: { [key: string]: string | string[] }
+): string {
+  if (!input) {
+    return '';
+    // return new Promise<string>((resolve) => { resolve("") });
+  }
+
+  // Replace environment and configuration variables.
+  let regexp: () => RegExp = () =>
+    /\$\{((env|config|workspaceFolder|file|fileDirname|fileBasenameNoExtension)(\.|:))?(.*?)\}/g;
+  let ret: string = input;
+  const cycleCache: Set<string> = new Set();
+  while (!cycleCache.has(ret)) {
+    cycleCache.add(ret);
+    ret = ret.replace(
+      regexp(),
+      (match: string, ignored1: string, varType: string, ignored2: string, name: string) => {
+        // Historically, if the variable didn't have anything before the "." or ":"
+        // it was assumed to be an environment variable
+        // We ignore that and we make it to be workspacefolder
+        if (!varType) {
+          varType = 'workspaceFolder';
+        }
+        let newValue: string | undefined;
+        switch (varType) {
+          case 'env': {
+            if (additionalEnvironment) {
+              const v: string | string[] | undefined = additionalEnvironment[name];
+              if (isString(v)) {
+                newValue = v;
+              } else if (input === match && isArrayOfString(v)) {
+                newValue = v.join(envDelimiter);
+              }
+            }
+            if (newValue === undefined) {
+              newValue = process.env[name];
+            }
+            break;
+          }
+          case 'config': {
+            const config: vscode.WorkspaceConfiguration = vscode.workspace.getConfiguration();
+            if (config) {
+              newValue = config.get<string>(name);
+            }
+            break;
+          }
+          case 'workspaceFolder': {
+            // Only replace ${workspaceFolder:name} variables for now.
+            // We may consider doing replacement of ${workspaceFolder} here later, but we would have to update the language server and also
+            // intercept messages with paths in them and add the ${workspaceFolder} variable back in (e.g. for light bulb suggestions)
+            if (name && vscode.workspace && vscode.workspace.workspaceFolders) {
+              let folder: vscode.WorkspaceFolder | undefined =
+                vscode.workspace.workspaceFolders.find(
+                  folder => folder.name.toLocaleLowerCase() === name.toLocaleLowerCase()
+                );
+              if (folder) {
+                newValue = folder.uri.fsPath;
+              }
+              // If ${workspaceFolder:workspacename} fails or doesn't exist go to
+              // the first availbale workspaceFolder and assign its path
+              else {
+                folder = vscode.workspace.workspaceFolders[0];
+                newValue = folder.uri.fsPath;
+              }
+            }
+            break;
+          }
+          default: {
+            assert.fail('unknown varType matched');
+          }
+        }
+        return newValue !== undefined ? newValue : match;
+      }
+    );
+  }
+
+  // Resolve '~' at the start of the path.
+  regexp = () => /^~/g;
+  ret = ret.replace(regexp(), (match: string, name: string) => os.homedir());
+
+  return ret;
+  // return new Promise<string>((resolve) => { resolve(ret) });
+}
diff --git a/yarn.lock b/yarn.lock
index 8c48b7f0..3e3c6bdb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -914,7 +914,7 @@
   "resolved" "https://registry.npmjs.org/fast-diff/-/fast-diff-1.2.0.tgz"
   "version" "1.2.0"
 
-"fast-glob@^3.1.1":
+"fast-glob@^3.1.1", "fast-glob@^3.2.7":
   "integrity" "sha512-rYGMRwip6lUMvYD3BTScMwT1HtAs2d71SMv66Vrxs0IekGZEjhM0pcMfjQPnknBt2zeCwQMEupiN02ZP4DiT1Q=="
   "resolved" "https://registry.npmjs.org/fast-glob/-/fast-glob-3.2.7.tgz"
   "version" "3.2.7"