diff --git a/.github/compat/compat.csv b/.github/compat/compat.csv
index c0f7961..58be7b7 100644
--- a/.github/compat/compat.csv
+++ b/.github/compat/compat.csv
@@ -1,10 +1,10 @@
-compiler,gcc,gcc,gcc,gcc,gcc,gcc,gcc,intel,intel,intel,intel,intel,intel,intel,intel,intel,intel,intel,intel,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,lfortran,lfortran,lfortran,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc
-version,10,11,12,13,7,8,9,2021.1,2021.1.2,2021.2,2021.4,2022.0,2022.1,2022.2,2022.2.1,2023.0,2023.1,2023.2,2024.0,2021.1,2021.1.2,2021.10,2021.2,2021.3,2021.4,2021.5,2021.6,2021.7,2021.7.1,2021.8,2021.9,0.31.0,0.32.0,0.33.0,20.11,21.11,22.11,23.11,23.3,23.5,23.7,23.9
-runner,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
-macos-12,✓,✓,✓,✓,,,✓,,,,,,,,,,,,,✓,,✓,✓,✓,✓,✓,✓,✓,,✓,✓,✓,✓,✓,,,,,,,,
-macos-13,✓,✓,✓,✓,,,,,,,,,,,,,,,,✓,,✓,✓,✓,✓,✓,✓,✓,,✓,✓,✓,✓,✓,,,,,,,,
-macos-14,,✓,✓,✓,,,,,,,,,,,,,,,,✓,,✓,✓,✓,✓,✓,✓,✓,,✓,✓,✓,✓,✓,,,,,,,,
-ubuntu-20.04,✓,✓,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓
-ubuntu-22.04,✓,✓,✓,✓,,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓
-windows-2019,✓,✓,✓,✓,,✓,✓,,,,,,✓,✓,,,✓,✓,✓,,,✓,,,,,✓,✓,,,✓,✓,✓,✓,,,,,,,,
-windows-2022,✓,✓,✓,✓,,✓,✓,,,,,,✓,✓,,,✓,✓,✓,,,✓,,,,,✓,✓,,,✓,✓,✓,✓,,,,,,,,
+compiler,gcc,gcc,gcc,gcc,gcc,intel,intel,intel,intel,intel,intel,intel,intel,intel,intel,intel,intel,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,intel-classic,lfortran,lfortran,lfortran,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc,nvidia-hpc
+version,10,11,12,13,9,2021.1,2021.1.2,2021.2,2021.4,2022.0,2022.1,2022.2,2022.2.1,2023.0,2023.1,2023.2,2024.0,2021.1,2021.1.2,2021.10,2021.2,2021.3,2021.4,2021.5,2021.6,2021.7,2021.7.1,2021.8,2021.9,0.31.0,0.32.0,0.33.0,20.11,21.11,22.11,23.11,23.3,23.5,23.7,23.9
+runner,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
+macos-12,✓,✓,✓,✓,✓,,,,,,,,,,,,,✓,,✓,✓,✓,✓,✓,✓,✓,,✓,✓,✓,✓,✓,,,,,,,,
+macos-13,✓,✓,✓,✓,,,,,,,,,,,,,,✓,,✓,✓,✓,✓,✓,✓,✓,,✓,✓,✓,✓,✓,,,,,,,,
+macos-14,,✓,✓,✓,,,,,,,,,,,,,,✓,,✓,✓,✓,✓,✓,✓,✓,,✓,✓,✓,✓,✓,,,,,,,,
+ubuntu-20.04,✓,✓,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓
+ubuntu-22.04,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓,✓
+windows-2019,✓,✓,✓,✓,✓,,,,,,✓,✓,,,✓,✓,✓,,,✓,,,,,✓,✓,,,✓,✓,✓,✓,,,,,,,,
+windows-2022,✓,✓,✓,✓,✓,,,,,,✓,✓,,,✓,✓,✓,,,✓,,,,,✓,✓,,,✓,✓,✓,✓,,,,,,,,
diff --git a/.github/compat/long_compat.csv b/.github/compat/long_compat.csv
index 2047f8e..8652ba4 100644
--- a/.github/compat/long_compat.csv
+++ b/.github/compat/long_compat.csv
@@ -3,8 +3,6 @@ macos-12,gcc,10,✓
 macos-12,gcc,11,✓
 macos-12,gcc,12,✓
 macos-12,gcc,13,✓
-macos-12,gcc,7,
-macos-12,gcc,8,
 macos-12,gcc,9,✓
 macos-12,intel-classic,2021.1.2,
 macos-12,intel-classic,2021.1,✓
@@ -25,8 +23,6 @@ macos-13,gcc,10,✓
 macos-13,gcc,11,✓
 macos-13,gcc,12,✓
 macos-13,gcc,13,✓
-macos-13,gcc,7,
-macos-13,gcc,8,
 macos-13,intel-classic,2021.1.2,
 macos-13,intel-classic,2021.1,✓
 macos-13,intel-classic,2021.10,✓
@@ -45,7 +41,6 @@ macos-13,lfortran,0.33.0,✓
 macos-14,gcc,11,✓
 macos-14,gcc,12,✓
 macos-14,gcc,13,✓
-macos-14,gcc,7,
 macos-14,intel-classic,2021.1.2,
 macos-14,intel-classic,2021.1,✓
 macos-14,intel-classic,2021.10,✓
@@ -65,8 +60,6 @@ ubuntu-20.04,gcc,10,✓
 ubuntu-20.04,gcc,11,✓
 ubuntu-20.04,gcc,12,
 ubuntu-20.04,gcc,13,✓
-ubuntu-20.04,gcc,7,✓
-ubuntu-20.04,gcc,8,✓
 ubuntu-20.04,gcc,9,✓
 ubuntu-20.04,intel-classic,2021.1.2,✓
 ubuntu-20.04,intel-classic,2021.1,✓
@@ -121,8 +114,6 @@ ubuntu-22.04,gcc,10,✓
 ubuntu-22.04,gcc,11,✓
 ubuntu-22.04,gcc,12,✓
 ubuntu-22.04,gcc,13,✓
-ubuntu-22.04,gcc,7,
-ubuntu-22.04,gcc,8,
 ubuntu-22.04,gcc,9,✓
 ubuntu-22.04,intel-classic,2021.1.2,✓
 ubuntu-22.04,intel-classic,2021.1,✓
@@ -172,8 +163,6 @@ windows-2019,gcc,10,✓
 windows-2019,gcc,11,✓
 windows-2019,gcc,12,✓
 windows-2019,gcc,13,✓
-windows-2019,gcc,7,
-windows-2019,gcc,8,✓
 windows-2019,gcc,9,✓
 windows-2019,intel-classic,2021.1.2,
 windows-2019,intel-classic,2021.1,
@@ -206,8 +195,6 @@ windows-2022,gcc,10,✓
 windows-2022,gcc,11,✓
 windows-2022,gcc,12,✓
 windows-2022,gcc,13,✓
-windows-2022,gcc,7,
-windows-2022,gcc,8,✓
 windows-2022,gcc,9,✓
 windows-2022,intel-classic,2021.1.2,
 windows-2022,intel-classic,2021.1,
diff --git a/.github/compat/matrix.yml b/.github/compat/matrix.yml
index f81d649..a736b95 100644
--- a/.github/compat/matrix.yml
+++ b/.github/compat/matrix.yml
@@ -12,8 +12,6 @@ toolchain:
   - {compiler: gcc, version: 11}
   - {compiler: gcc, version: 10}
   - {compiler: gcc, version:  9}
-  - {compiler: gcc, version:  8}
-  - {compiler: gcc, version:  7}
   - {compiler: intel, version: '2024.0'}
   - {compiler: intel, version: '2023.2'}
   - {compiler: intel, version: '2023.1'}
diff --git a/README.md b/README.md
index 5ab2d52..47e3658 100644
--- a/README.md
+++ b/README.md
@@ -104,15 +104,15 @@ These are made available to subsequent workflow steps via the [`GITHUB_ENV` envi
 Toolchain support varies across GitHub-hosted runner images.
 
 <!-- compat starts -->
-| runner       | gcc 10   | gcc 11   | gcc 12   | gcc 13   | gcc 7   | gcc 8   | gcc 9   | intel 2021.1   | intel 2021.1.2   | intel 2021.2   | intel 2021.4   | intel 2022.0   | intel 2022.1   | intel 2022.2   | intel 2022.2.1   | intel 2023.0   | intel 2023.1   | intel 2023.2   | intel 2024.0   | intel-classic 2021.1   | intel-classic 2021.1.2   | intel-classic 2021.10   | intel-classic 2021.2   | intel-classic 2021.3   | intel-classic 2021.4   | intel-classic 2021.5   | intel-classic 2021.6   | intel-classic 2021.7   | intel-classic 2021.7.1   | intel-classic 2021.8   | intel-classic 2021.9   | lfortran 0.31.0   | lfortran 0.32.0   | lfortran 0.33.0   | nvidia-hpc 20.11   | nvidia-hpc 21.11   | nvidia-hpc 22.11   | nvidia-hpc 23.11   | nvidia-hpc 23.3   | nvidia-hpc 23.5   | nvidia-hpc 23.7   | nvidia-hpc 23.9   |
-|:-------------|:----------------|:----------------|:----------------|:----------------|:---------------|:---------------|:---------------|:----------------------|:------------------------|:----------------------|:----------------------|:----------------------|:----------------------|:----------------------|:------------------------|:----------------------|:----------------------|:----------------------|:----------------------|:------------------------------|:--------------------------------|:-------------------------------|:------------------------------|:------------------------------|:------------------------------|:------------------------------|:------------------------------|:------------------------------|:--------------------------------|:------------------------------|:------------------------------|:-------------------------|:-------------------------|:-------------------------|:--------------------------|:--------------------------|:--------------------------|:--------------------------|:-------------------------|:-------------------------|:-------------------------|:-------------------------|
-| macos-12     | &check;         | &check;         | &check;         | &check;         |             |             | &check;        |                    |                      |                    |                    |                    |                    |                    |                      |                    |                    |                    |                    | &check;                       |                              | &check;                        | &check;                       | &check;                       | &check;                       | &check;                       | &check;                       | &check;                       |                              | &check;                       | &check;                       | &check;                  | &check;                  | &check;                  |                        |                        |                        |                        |                       |                       |                       |                       |
-| macos-13     | &check;         | &check;         | &check;         | &check;         |             |             |             |                    |                      |                    |                    |                    |                    |                    |                      |                    |                    |                    |                    | &check;                       |                              | &check;                        | &check;                       | &check;                       | &check;                       | &check;                       | &check;                       | &check;                       |                              | &check;                       | &check;                       | &check;                  | &check;                  | &check;                  |                        |                        |                        |                        |                       |                       |                       |                       |
-| macos-14     |              | &check;         | &check;         | &check;         |             |             |             |                    |                      |                    |                    |                    |                    |                    |                      |                    |                    |                    |                    | &check;                       |                              | &check;                        | &check;                       | &check;                       | &check;                       | &check;                       | &check;                       | &check;                       |                              | &check;                       | &check;                       | &check;                  | &check;                  | &check;                  |                        |                        |                        |                        |                       |                       |                       |                       |
-| ubuntu-20.04 | &check;         | &check;         |              | &check;         | &check;        | &check;        | &check;        | &check;               | &check;                 | &check;               | &check;               | &check;               | &check;               | &check;               | &check;                 | &check;               | &check;               | &check;               | &check;               | &check;                       | &check;                         | &check;                        | &check;                       |                            | &check;                       | &check;                       | &check;                       | &check;                       | &check;                         | &check;                       | &check;                       | &check;                  | &check;                  | &check;                  | &check;                   | &check;                   | &check;                   | &check;                   | &check;                  | &check;                  | &check;                  | &check;                  |
-| ubuntu-22.04 | &check;         | &check;         | &check;         | &check;         |             |             | &check;        | &check;               | &check;                 | &check;               | &check;               | &check;               | &check;               | &check;               | &check;                 | &check;               | &check;               | &check;               | &check;               | &check;                       | &check;                         | &check;                        | &check;                       |                            | &check;                       | &check;                       | &check;                       | &check;                       | &check;                         | &check;                       | &check;                       | &check;                  | &check;                  | &check;                  | &check;                   | &check;                   | &check;                   | &check;                   | &check;                  | &check;                  | &check;                  | &check;                  |
-| windows-2019 | &check;         | &check;         | &check;         | &check;         |             | &check;        | &check;        |                    |                      |                    |                    |                    | &check;               | &check;               |                      |                    | &check;               | &check;               | &check;               |                            |                              | &check;                        |                            |                            |                            |                            | &check;                       | &check;                       |                              |                            | &check;                       | &check;                  | &check;                  | &check;                  |                        |                        |                        |                        |                       |                       |                       |                       |
-| windows-2022 | &check;         | &check;         | &check;         | &check;         |             | &check;        | &check;        |                    |                      |                    |                    |                    | &check;               | &check;               |                      |                    | &check;               | &check;               | &check;               |                            |                              | &check;                        |                            |                            |                            |                            | &check;                       | &check;                       |                              |                            | &check;                       | &check;                  | &check;                  | &check;                  |                        |                        |                        |                        |                       |                       |                       |                       |
+| runner       | gcc 10   | gcc 11   | gcc 12   | gcc 13   | gcc 9   | intel 2021.1   | intel 2021.1.2   | intel 2021.2   | intel 2021.4   | intel 2022.0   | intel 2022.1   | intel 2022.2   | intel 2022.2.1   | intel 2023.0   | intel 2023.1   | intel 2023.2   | intel 2024.0   | intel-classic 2021.1   | intel-classic 2021.1.2   | intel-classic 2021.10   | intel-classic 2021.2   | intel-classic 2021.3   | intel-classic 2021.4   | intel-classic 2021.5   | intel-classic 2021.6   | intel-classic 2021.7   | intel-classic 2021.7.1   | intel-classic 2021.8   | intel-classic 2021.9   | lfortran 0.31.0   | lfortran 0.32.0   | lfortran 0.33.0   | nvidia-hpc 20.11   | nvidia-hpc 21.11   | nvidia-hpc 22.11   | nvidia-hpc 23.11   | nvidia-hpc 23.3   | nvidia-hpc 23.5   | nvidia-hpc 23.7   | nvidia-hpc 23.9   |
+|:-------------|:----------------|:----------------|:----------------|:----------------|:---------------|:----------------------|:------------------------|:----------------------|:----------------------|:----------------------|:----------------------|:----------------------|:------------------------|:----------------------|:----------------------|:----------------------|:----------------------|:------------------------------|:--------------------------------|:-------------------------------|:------------------------------|:------------------------------|:------------------------------|:------------------------------|:------------------------------|:------------------------------|:--------------------------------|:------------------------------|:------------------------------|:-------------------------|:-------------------------|:-------------------------|:--------------------------|:--------------------------|:--------------------------|:--------------------------|:-------------------------|:-------------------------|:-------------------------|:-------------------------|
+| macos-12     | &check;         | &check;         | &check;         | &check;         | &check;        |                    |                      |                    |                    |                    |                    |                    |                      |                    |                    |                    |                    | &check;                       |                              | &check;                        | &check;                       | &check;                       | &check;                       | &check;                       | &check;                       | &check;                       |                              | &check;                       | &check;                       | &check;                  | &check;                  | &check;                  |                        |                        |                        |                        |                       |                       |                       |                       |
+| macos-13     | &check;         | &check;         | &check;         | &check;         |             |                    |                      |                    |                    |                    |                    |                    |                      |                    |                    |                    |                    | &check;                       |                              | &check;                        | &check;                       | &check;                       | &check;                       | &check;                       | &check;                       | &check;                       |                              | &check;                       | &check;                       | &check;                  | &check;                  | &check;                  |                        |                        |                        |                        |                       |                       |                       |                       |
+| macos-14     |              | &check;         | &check;         | &check;         |             |                    |                      |                    |                    |                    |                    |                    |                      |                    |                    |                    |                    | &check;                       |                              | &check;                        | &check;                       | &check;                       | &check;                       | &check;                       | &check;                       | &check;                       |                              | &check;                       | &check;                       | &check;                  | &check;                  | &check;                  |                        |                        |                        |                        |                       |                       |                       |                       |
+| ubuntu-20.04 | &check;         | &check;         |              | &check;         | &check;        | &check;               | &check;                 | &check;               | &check;               | &check;               | &check;               | &check;               | &check;                 | &check;               | &check;               | &check;               | &check;               | &check;                       | &check;                         | &check;                        | &check;                       |                            | &check;                       | &check;                       | &check;                       | &check;                       | &check;                         | &check;                       | &check;                       | &check;                  | &check;                  | &check;                  | &check;                   | &check;                   | &check;                   | &check;                   | &check;                  | &check;                  | &check;                  | &check;                  |
+| ubuntu-22.04 | &check;         | &check;         | &check;         | &check;         | &check;        | &check;               | &check;                 | &check;               | &check;               | &check;               | &check;               | &check;               | &check;                 | &check;               | &check;               | &check;               | &check;               | &check;                       | &check;                         | &check;                        | &check;                       |                            | &check;                       | &check;                       | &check;                       | &check;                       | &check;                         | &check;                       | &check;                       | &check;                  | &check;                  | &check;                  | &check;                   | &check;                   | &check;                   | &check;                   | &check;                  | &check;                  | &check;                  | &check;                  |
+| windows-2019 | &check;         | &check;         | &check;         | &check;         | &check;        |                    |                      |                    |                    |                    | &check;               | &check;               |                      |                    | &check;               | &check;               | &check;               |                            |                              | &check;                        |                            |                            |                            |                            | &check;                       | &check;                       |                              |                            | &check;                       | &check;                  | &check;                  | &check;                  |                        |                        |                        |                        |                       |                       |                       |                       |
+| windows-2022 | &check;         | &check;         | &check;         | &check;         | &check;        |                    |                      |                    |                    |                    | &check;               | &check;               |                      |                    | &check;               | &check;               | &check;               |                            |                              | &check;                        |                            |                            |                            |                            | &check;                       | &check;                       |                              |                            | &check;                       | &check;                  | &check;                  | &check;                  |                        |                        |                        |                        |                       |                       |                       |                       |
 <!-- compat ends -->
 
 **Note:** Intel's `ifx` compiler is not supported on macOS, so the `intel` option redirects to `intel-classic` (`ifort`).