diff --git a/config/config.json b/config/config.json
index 58f4bfe..4c0c93f 100644
--- a/config/config.json
+++ b/config/config.json
@@ -496,12 +496,13 @@
 				"v1.2.3-pre.2",
 				"v1.2.3-pre.3",
 				"v1.2.3-pre.4",
-				"v1.2.3"
+				"v1.2.3",
+				"devel"
 			],
 			"Counters": [
 				{
 					"Name": "gopls/client:{vscode,vscodium,code-server,eglot,govim,neovim,coc.nvim,sublimetext,other}",
-					"Rate": 0.1
+					"Rate": 1
 				}
 			]
 		}
diff --git a/config/doc.go b/config/doc.go
index 96c75c9..6c5f520 100644
--- a/config/doc.go
+++ b/config/doc.go
@@ -6,4 +6,6 @@
 //
 // This package contains no actual Go code, and exists only so the config.json
 // file can be served by module proxies.
+//
+// The config.json is generated by golang.org/x/telemetry/internal/configgen.
 package config
diff --git a/internal/configgen/main.go b/internal/configgen/main.go
index 563115a..d31629e 100644
--- a/internal/configgen/main.go
+++ b/internal/configgen/main.go
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:generate go run . -w
+
 //go:build go1.21
 
 // Package configgen generates the upload config file stored in the config.json
@@ -174,7 +176,7 @@
 		minVersions[gcfg.Program] = minVersion(minVersions[gcfg.Program], gcfg.Version)
 		ccfg := telemetry.CounterConfig{
 			Name:  gcfg.Counter,
-			Rate:  0.1, // TODO(rfindley): how should rate be configured?
+			Rate:  1.0, // TODO(rfindley): how should rate be configured?
 			Depth: gcfg.Depth,
 		}
 		if gcfg.Depth > 0 {
@@ -205,6 +207,10 @@
 			}
 		}
 		p.Versions = padVersions(versions[:i], prereleasesForProgram(p.Name), padding)
+		// TODO(hakim): allow to collect counters from gopls@devel. go.dev/issues/62271
+		if p.Name == "golang.org/x/tools/gopls" {
+			p.Versions = append(p.Versions, "devel") // added at the end.
+		}
 		ucfg.Programs = append(ucfg.Programs, p)
 	}
 	sort.Slice(ucfg.Programs, func(i, j int) bool {
diff --git a/internal/configgen/main_test.go b/internal/configgen/main_test.go
index 67f1fa8..9fc4cda 100644
--- a/internal/configgen/main_test.go
+++ b/internal/configgen/main_test.go
@@ -64,10 +64,11 @@
 				"v1.0.1-pre.1",
 				"v1.0.1-pre.2",
 				"v1.0.1",
+				"devel", // Added for go.dev/issues/62271,
 			},
 			Counters: []telemetry.CounterConfig{{
 				Name: "gopls/editor:{emacs,vim,vscode,other}",
-				Rate: 0.1,
+				Rate: 1.0,
 			}},
 		}},
 	}
@@ -125,10 +126,11 @@
 					"v0.15.1-pre.1",
 					"v0.15.1-pre.2",
 					"v0.15.1",
+					"devel", // Added for go.dev/issues/62271,
 				},
 				Counters: []telemetry.CounterConfig{{
 					Name: "gopls/editor:{emacs,vim,vscode,other}",
-					Rate: 0.1,
+					Rate: 1.0,
 				}},
 			}},
 		}
diff --git a/internal/configgen/syslist.go b/internal/configgen/syslist.go
index 771f40c..6db902c 100644
--- a/internal/configgen/syslist.go
+++ b/internal/configgen/syslist.go
@@ -30,25 +30,6 @@
 	"zos":       true,
 }
 
-// unixOS is the set of GOOS values matched by the "unix" build tag.
-// This is not used for filename matching.
-// This list also appears in cmd/dist/build.go and
-// cmd/go/internal/imports/build.go.
-var unixOS = map[string]bool{
-	"aix":       true,
-	"android":   true,
-	"darwin":    true,
-	"dragonfly": true,
-	"freebsd":   true,
-	"hurd":      true,
-	"illumos":   true,
-	"ios":       true,
-	"linux":     true,
-	"netbsd":    true,
-	"openbsd":   true,
-	"solaris":   true,
-}
-
 // knownArch is the list of past, present, and future known GOARCH values.
 // Do not remove from this list, as it is used for filename matching.
 var knownArch = map[string]bool{