Restrict the set of tested compiler versions to the latest 4 + the oldest supported.

.travis.yml

@@ -11,17 +11,10 @@ d:
   - ldc-1.15.0
   - ldc-1.14.0
   - ldc-1.13.0
-  - ldc-1.12.0
-  - ldc-1.11.0
-  - ldc-1.10.0
   - ldc-1.9.0
   - dmd-2.086.1
   - dmd-2.085.1
   - dmd-2.084.1
-  - dmd-2.083.1
-  - dmd-2.082.1
-  - dmd-2.081.2
-  - dmd-2.080.1
   - dmd-2.079.0
   - dmd-beta
 

README.md

@@ -30,18 +30,11 @@ The following compilers are tested and supported:
 - DMD 2.086.1
 - DMD 2.085.1
 - DMD 2.084.1
-- DMD 2.083.1
-- DMD 2.082.1
-- DMD 2.081.2
-- DMD 2.080.1
 - DMD 2.079.0
 - LDC 1.16.0
 - LDC 1.15.0
 - LDC 1.14.0
 - LDC 1.13.0
-- LDC 1.12.0
-- LDC 1.11.0
-- LDC 1.10.0
 - LDC 1.9.0
 
 Supported up to 1.6.2:

appveyor.yml

@@ -19,18 +19,6 @@ environment:
   - DC: dmd
     DVersion: 2.084.1
     arch: x86
-  - DC: dmd
-    DVersion: 2.083.1
-    arch: x86_mscoff
-  - DC: dmd
-    DVersion: 2.082.1
-    arch: x86_mscoff
-  - DC: dmd
-    DVersion: 2.081.2
-    arch: x86_mscoff
-  - DC: dmd
-    DVersion: 2.080.1
-    arch: x86_mscoff
   - DC: dmd
     DVersion: 2.079.0
     arch: x86_mscoff
@@ -46,15 +34,6 @@ environment:
   - DC: ldc
     DVersion: 1.13.0
     arch: x64
-  - DC: ldc
-    DVersion: 1.12.0
-    arch: x64
-  - DC: ldc
-    DVersion: 1.11.0
-    arch: x64
-  - DC: ldc
-    DVersion: 1.10.0
-    arch: x64
   - DC: ldc
     DVersion: 1.9.0
     arch: x64