LZMA+zstd are optional but would be nice to have.
https://gitweb.torproject.org/torspec.git/plain/proposals/278-directory-compression-scheme-negotiation.txt
--- a/APKBUILD
+++ b/APKBUILD
@@ -1,7 +1,7 @@
  # Contributor: Christine Dodrill <me@christine.website>
  # Maintainer: Christine Dodrill <me@christine.website>
  pkgname=tor
-pkgver=0.4.1.7
+pkgver=0.4.2.5
  pkgrel=0
  pkgdesc="Anonymous network connectivity"
  url="https://www.torproject.org/"
@@ -9,7 +9,7 @@
  license="BSD-3-Clause"
  pkgusers="tor"
  makedepends="linux-headers bash libevent-dev openssl-dev ca-certificates
-    zlib-dev"
+    zlib-dev xz-dev zstd-dev"
  install="$pkgname.post-upgrade $pkgname.pre-install"
  subpackages="$pkgname-doc $pkgname-openrc"
  source="https://www.torproject.org/dist/$pkgname-$pkgver.tar.gz
@@ -65,7 +65,7 @@
          "$pkgdir"/etc/conf.d/$pkgname
  }

-sha512sums="f6ead1412d23516a16f31e1157b4538071752ae09a421d9dceaa7cf76599c01490f9bfcb8e26f1a75e888359adf6adcd029ca64cf48e3b45b07e2d62482c9541 
tor-0.4.1.7.tar.gz
+sha512sums="e63157713caa3590324f652f17c5c5634bab015dcde5c7832eb725351c3a91c1051dd8a95650502703e9c3dd5daefc2867ff3d20530dfec17310bb3dd4bb5b7d 
tor-0.4.2.5.tar.gz
  6de4ada16ba58264a247da70343eabd763e992d6b6683977fc1c67b7b4a9731748a7ec9751e869ad4b4ae9c72cf71b2e12dc289bb6e2aee499917f7663f4a735 tor.initd
  2b0de119bfdf9eb57e13317b7392190b1b8272c8f96023c71d3fc29215d887e9a3d0ffcef37cdb50b18d34e4b2251f75a739e258e0bb72aabd3339418b22fd67 tor.confd
  da386ff7e387312e647f04d360517a1f4cb1efbee36f4a3a6feb89a979bb12fa350fe6dfed49af0cb076ae30bb0c527b5d54127683eaa5aa45d6940dddd89dfb torrc.sample.patch"