diff --git a/go.mod b/go.mod
index ce6d2cc..bf0165d 100644
--- a/go.mod
+++ b/go.mod
@@ -13,8 +13,8 @@ require (
 	github.com/BurntSushi/toml v1.6.0
 	github.com/alecthomas/chroma/v2 v2.27.0
 	github.com/andybalholm/brotli v1.2.2
-	github.com/ayn2op/arikawa/v3 v3.0.0-20260818073432-f49cfbdeaecd
-	github.com/ayn2op/ningen/v3 v3.0.1-0.20260818073850-83e35312c6cc
+	github.com/ayn2op/arikawa/v3 v3.0.0-20260818212803-ea226484f0f9
+	github.com/ayn2op/ningen/v3 v3.0.1-0.20260818214204-4e9ec3f35437
 	github.com/ayn2op/tview v0.0.0-20260812042550-0532d50b709f
 	github.com/bogdanfinn/fhttp v0.6.8
 	github.com/bogdanfinn/tls-client v1.15.1
@@ -61,7 +61,7 @@ require (
 	golang.org/x/crypto v0.55.0 // indirect
 	golang.org/x/exp/shiny v0.0.0-20260813180055-c1d0aacb2297 // indirect
 	golang.org/x/image v0.45.0 // indirect
-	golang.org/x/mobile v0.0.0-20260816165457-f98cc9b3c733 // indirect
+	golang.org/x/mobile v0.0.0-20260818145002-f020ddb2de58 // indirect
 	golang.org/x/net v0.58.0 // indirect
 	golang.org/x/sys v0.47.0 // indirect
 	golang.org/x/term v0.45.0 // indirect
diff --git a/go.sum b/go.sum
index 8280b4e..86f2359 100644
--- a/go.sum
+++ b/go.sum
@@ -10,10 +10,10 @@ github.com/alecthomas/repr v0.5.2 h1:SU73FTI9D1P5UNtvseffFSGmdNci/O6RsqzeXJtP0Qs
 github.com/alecthomas/repr v0.5.2/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
 github.com/andybalholm/brotli v1.2.2 h1:HzTuoo2ErYQqf5qvcJInB8uvqSVxRttzkFexPWtnceM=
 github.com/andybalholm/brotli v1.2.2/go.mod h1:rzTDkvFWvIrjDXZHkuS16NPggd91W3kUSvPlQ1pLaKY=
-github.com/ayn2op/arikawa/v3 v3.0.0-20260818073432-f49cfbdeaecd h1:uXVZPx8arfvYQAHSfgjBo6zy2Yrn2eFi+VTRgPQQ/qA=
-github.com/ayn2op/arikawa/v3 v3.0.0-20260818073432-f49cfbdeaecd/go.mod h1:O0QAm4VBLKBF01sofDEsAHGfD8+Tk8iWNYWksojTt6A=
-github.com/ayn2op/ningen/v3 v3.0.1-0.20260818073850-83e35312c6cc h1:B5QnZxF5Ukm1nzdUzQlcL8H/1WUV7moAGdg5xi95ULA=
-github.com/ayn2op/ningen/v3 v3.0.1-0.20260818073850-83e35312c6cc/go.mod h1:XhtckMjvipRb0JyG6nDpfoGu0p8jxxrHqjAlwAewejE=
+github.com/ayn2op/arikawa/v3 v3.0.0-20260818212803-ea226484f0f9 h1:aCFnS+/kF7Yv/Vqb/Ax+1ZQ7l9OT7LB2Q3r7KHBqJf0=
+github.com/ayn2op/arikawa/v3 v3.0.0-20260818212803-ea226484f0f9/go.mod h1:O0QAm4VBLKBF01sofDEsAHGfD8+Tk8iWNYWksojTt6A=
+github.com/ayn2op/ningen/v3 v3.0.1-0.20260818214204-4e9ec3f35437 h1:hM4rXx8orr+kMEwCKtEq25m5GFih5ziW8lCJuwqr/Xs=
+github.com/ayn2op/ningen/v3 v3.0.1-0.20260818214204-4e9ec3f35437/go.mod h1:XhtckMjvipRb0JyG6nDpfoGu0p8jxxrHqjAlwAewejE=
 github.com/ayn2op/tview v0.0.0-20260812042550-0532d50b709f h1:RidxK97+mKbM25L2iIdM6i6nfdZBSd1chNCu8e0PbxE=
 github.com/ayn2op/tview v0.0.0-20260812042550-0532d50b709f/go.mod h1:l/sE5dmdvLVlv/2rvoJFcFVl6uq9w2Z62/SfGpJiquw=
 github.com/bdandy/go-errors v1.2.2 h1:WdFv/oukjTJCLa79UfkGmwX7ZxONAihKu4V0mLIs11Q=
@@ -119,8 +119,8 @@ golang.org/x/exp/shiny v0.0.0-20260813180055-c1d0aacb2297 h1:sZ6Vq+Kl3T2bzXfXU33
 golang.org/x/exp/shiny v0.0.0-20260813180055-c1d0aacb2297/go.mod h1:kR98TGmikSWxqoBFhVyUNAePSDh8mkfqULxCdDaD8nM=
 golang.org/x/image v0.45.0 h1:FMb1nTbH5H9vF55SriQHgFw5GnNL9Jg6L25BwXKzhB0=
 golang.org/x/image v0.45.0/go.mod h1:n62x/7RqlwXDvGsSU4u6IUTUf6KghUZ9Bt7cG/T9Fx4=
-golang.org/x/mobile v0.0.0-20260816165457-f98cc9b3c733 h1:XKMObIaAElmkdO+4SQh1iCfzwciZHJi1OblnX9BED9k=
-golang.org/x/mobile v0.0.0-20260816165457-f98cc9b3c733/go.mod h1:jMwjxoDSx9jqhNaZqPnr6nnKzb7cs+Dy1Czk7wdX+R8=
+golang.org/x/mobile v0.0.0-20260818145002-f020ddb2de58 h1:Ka3QB8ttuiqyuUvt2VJ2B0llDuKpshFzLn+bk97+X4M=
+golang.org/x/mobile v0.0.0-20260818145002-f020ddb2de58/go.mod h1:jMwjxoDSx9jqhNaZqPnr6nnKzb7cs+Dy1Czk7wdX+R8=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
diff --git a/internal/tls/client.go b/internal/tls/client.go
index 76f8be9..a78175a 100644
--- a/internal/tls/client.go
+++ b/internal/tls/client.go
@@ -4,12 +4,13 @@ package tls
 
 import (
 	"fmt"
+	"slices"
 
 	tls_client "github.com/bogdanfinn/tls-client"
 )
 
 func NewClient(options ...tls_client.HttpClientOption) tls_client.HttpClient {
-	options = append([]tls_client.HttpClientOption{tls_client.WithClientProfile(clientProfile), tls_client.WithRandomTLSExtensionOrder()}, options...)
+	options = slices.Concat([]tls_client.HttpClientOption{tls_client.WithClientProfile(clientProfile), tls_client.WithRandomTLSExtensionOrder()}, options)
 	client, err := tls_client.NewHttpClient(tls_client.NewNoopLogger(), options...)
 	if err != nil {
 		panic(fmt.Errorf("failed to create new tls http client: %w", err))
diff --git a/internal/ui/chat/messages_list.go b/internal/ui/chat/messages_list.go
index 0c91331..43e6667 100644
--- a/internal/ui/chat/messages_list.go
+++ b/internal/ui/chat/messages_list.go
@@ -147,7 +147,7 @@ func (ml *messagesList) deleteMessage(index int) {
 	}
 
 	delete(ml.itemByID, ml.messages[index].ID)
-	ml.messages = append(ml.messages[:index], ml.messages[index+1:]...)
+	ml.messages = slices.Delete(ml.messages, index, index+1)
 	ml.rebuildRows()
 }
 
@@ -1125,8 +1125,7 @@ func extractEmbedURLs(embeds []discord.Embed) []string {
 }
 
 func messageURLs(msg discord.Message) []string {
-	combined := extractURLs(msg.Content)
-	combined = append(combined, extractEmbedURLs(msg.Embeds)...)
+	combined := slices.Concat(extractURLs(msg.Content), extractEmbedURLs(msg.Embeds))
 
 	urls := make([]string, 0, len(combined))
 	seen := make(map[string]struct{}, len(combined))