chore: Random only if the certificate and private-key are empty

# Conflicts:
#	.github/workflows/docker.yaml
#	.github/workflows/prerelease.yml

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,82 @@
+name: Bug report
+description: Create a report to help us improve
+title: "[Bug] "
+body:
+  - type: checkboxes
+    id: ensure
+    attributes:
+      label: Verify steps
+      description: "
+在提交之前，请确认
+Please verify that you've followed these steps
+"
+      options:
+        - label: "
+确保你使用的是**本仓库**最新的的 clash 或 clash Alpha 版本
+Ensure you are using the latest version of Clash or Clash Premium from **this repository**.
+"
+          required: true
+        - label: "
+如果你可以自己 debug 并解决的话，提交 PR 吧
+Is this something you can **debug and fix**? Send a pull request! Bug fixes and documentation fixes are welcome.
+"
+          required: false
+        - label: "
+我已经在 [Issue Tracker](……/) 中找过我要提出的问题
+I have searched on the [issue tracker](……/) for a related issue.
+"
+          required: true
+        - label: "
+我已经使用 Alpha 分支版本测试过，问题依旧存在
+I have tested using the dev branch, and the issue still exists.
+"
+          required: true
+        - label: "
+我已经仔细看过 [Documentation](https://wiki.metacubex.one/) 并无法自行解决问题
+I have read the [documentation](https://wiki.metacubex.one/) and was unable to solve the issue.
+"
+          required: true
+        - label: "
+这是 Clash 核心的问题，并非我所使用的 Clash 衍生版本（如 OpenClash、KoolClash 等）的特定问题
+This is an issue of the Clash core *per se*, not to the derivatives of Clash, like OpenClash or KoolClash.
+"
+          required: true
+  - type: input
+    attributes:
+      label: Clash version
+      description: "use `clash -v`"
+    validations:
+      required: true
+  - type: dropdown
+    id: os
+    attributes:
+      label: What OS are you seeing the problem on?
+      multiple: true
+      options:
+        - macOS
+        - Windows
+        - Linux
+        - OpenBSD/FreeBSD
+  - type: textarea
+    attributes:
+      render: yaml
+      label: "Clash config"
+      description: "
+在下方附上 Clash core 配置文件，请确保配置文件中没有敏感信息（比如：服务器地址，密码，端口等）
+Paste the Clash core configuration file below, please make sure that there is no sensitive information in the configuration file (e.g., server address/url, password, port)
+"
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      render: shell
+      label: Clash log
+      description: "
+在下方附上 Clash Core 的日志，log level 使用 DEBUG
+Paste the Clash core log below with the log level set to `DEBUG`.
+"
+  - type: textarea
+    attributes:
+      label: Description
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,36 @@
+name: Feature request
+description: Suggest an idea for this project
+title: "[Feature] "
+body:
+  - type: checkboxes
+    id: ensure
+    attributes:
+      label: Verify steps
+      description: "
+在提交之前，请确认
+Please verify that you've followed these steps
+"
+      options:
+        - label: "
+我已经在 [Issue Tracker](……/) 中找过我要提出的请求
+I have searched on the [issue tracker](……/) for a related feature request.
+"
+          required: true
+        - label: "
+我已经仔细看过 [Documentation](https://wiki.metacubex.one/) 并无法找到这个功能
+I have read the [documentation](https://wiki.metacubex.one/) and was unable to solve the issue.
+"
+          required: true
+  - type: textarea
+    attributes:
+      label: Description
+      description: 请详细、清晰地表达你要提出的论述，例如这个问题如何影响到你？你想实现什么功能？目前 Clash Core 的行为是什麽？
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Possible Solution
+      description: "
+此项非必须，但是如果你有想法的话欢迎提出。
+Not obligatory, but suggest a fix/reason for the bug, or ideas how to implement the addition or change
+"

.github/genReleaseNote.sh

@@ -0,0 +1 @@
+git log --pretty=format:"* %s by @%an" v1.14.x..v1.14.y | sort -f | uniq > release.md

.github/workflows/delete.yml

@@ -0,0 +1,15 @@
+name: Delete old workflow runs
+on:
+  schedule:
+    - cron: "0 0 * * SUN"
+
+jobs:
+  del_runs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Delete workflow runs
+        uses: GitRML/delete-workflow-runs@main
+        with:
+          token: ${{ secrets.AUTH_PAT }}
+          repository: ${{ github.repository }}
+          retain_days: 30

adapter/outbound/reject.go

@@ -78,8 +78,11 @@ type nopPacketConn struct{}
 
 func (npc nopPacketConn) WriteTo(b []byte, addr net.Addr) (n int, err error) { return len(b), nil }
 func (npc nopPacketConn) ReadFrom(b []byte) (int, net.Addr, error)           { return 0, nil, io.EOF }
-func (npc nopPacketConn) Close() error                                       { return nil }
-func (npc nopPacketConn) LocalAddr() net.Addr                                { return udpAddrIPv4Unspecified }
-func (npc nopPacketConn) SetDeadline(time.Time) error                        { return nil }
-func (npc nopPacketConn) SetReadDeadline(time.Time) error                    { return nil }
-func (npc nopPacketConn) SetWriteDeadline(time.Time) error                   { return nil }
+func (npc nopPacketConn) WaitReadFrom() ([]byte, func(), net.Addr, error) {
+	return nil, nil, nil, io.EOF
+}
+func (npc nopPacketConn) Close() error                     { return nil }
+func (npc nopPacketConn) LocalAddr() net.Addr              { return udpAddrIPv4Unspecified }
+func (npc nopPacketConn) SetDeadline(time.Time) error      { return nil }
+func (npc nopPacketConn) SetReadDeadline(time.Time) error  { return nil }
+func (npc nopPacketConn) SetWriteDeadline(time.Time) error { return nil }

adapter/outboundgroup/urltest.go

@@ -96,25 +96,30 @@ func (u *URLTest) Unwrap(metadata *C.Metadata, touch bool) C.Proxy {
 }
 
 func (u *URLTest) fast(touch bool) C.Proxy {
-	elm, _, shared := u.fastSingle.Do(func() (C.Proxy, error) {
-		var s C.Proxy
-		proxies := u.GetProxies(touch)
-		fast := proxies[0]
-		if fast.Name() == u.selected {
-			s = fast
+
+	proxies := u.GetProxies(touch)
+	if u.selected != "" {
+		for _, proxy := range proxies {
+			if !proxy.Alive() {
+				continue
+			}
+			if proxy.Name() == u.selected {
+				u.fastNode = proxy
+				return proxy
+			}
 		}
+	}
+
+	elm, _, shared := u.fastSingle.Do(func() (C.Proxy, error) {
+		fast := proxies[0]
 		min := fast.LastDelay()
 		fastNotExist := true
 
 		for _, proxy := range proxies[1:] {
-
 			if u.fastNode != nil && proxy.Name() == u.fastNode.Name() {
 				fastNotExist = false
 			}
 
-			if proxy.Name() == u.selected {
-				s = proxy
-			}
 			if !proxy.Alive() {
 				continue
 			}
@@ -124,16 +129,12 @@ func (u *URLTest) fast(touch bool) C.Proxy {
 				fast = proxy
 				min = delay
 			}
+
 		}
 		// tolerance
 		if u.fastNode == nil || fastNotExist || !u.fastNode.Alive() || u.fastNode.LastDelay() > fast.LastDelay()+u.tolerance {
 			u.fastNode = fast
 		}
-		if s != nil {
-			if s.Alive() && s.LastDelay() < fast.LastDelay()+u.tolerance {
-				u.fastNode = s
-			}
-		}
 		return u.fastNode, nil
 	})
 	if shared && touch { // a shared fastSingle.Do() may cause providers untouched, so we touch them again

common/net/tls.go

@@ -11,7 +11,7 @@ import (
 )
 
 func ParseCert(certificate, privateKey string) (tls.Certificate, error) {
-	if certificate == "" || privateKey == "" {
+	if certificate == "" && privateKey == "" {
 		return newRandomTLSKeyPair()
 	}
 	cert, painTextErr := tls.X509KeyPair([]byte(certificate), []byte(privateKey))