diff --git a/dev-haskell/tree-diff/Manifest b/dev-haskell/tree-diff/Manifest
index 002d9d174793d..3fef1bbcbf117 100644
--- a/dev-haskell/tree-diff/Manifest
+++ b/dev-haskell/tree-diff/Manifest
@@ -1,3 +1,4 @@
 DIST tree-diff-0.2.1.1.tar.gz 26042 BLAKE2B c136094949b96069996ae2a68c49ca3476f75909138135a138b1c1f07b833413472d2c497418a8bb6c0c17164e78cf180b548c0d4ab5806269e7348aa86467ba SHA512 07bd947b145ebf894a5f830601529517d003bf4b0ffc9581c8204d710ed8d3941f764376add84ab1757c7d3544e984166115f37c1348a32123d99aea816a0686
 DIST tree-diff-0.3.0.1-rev3.cabal 5422 BLAKE2B 1e0edff3db263a9b1929cc8e9115a8cd226a40327a61c1d1e2f49500da72292d324bc232aa6a2b0499f2c4f995ae02d20e86d2d21d38ae358f53e0fa2a4c3a66 SHA512 a33fcfc3a3a312ac3a3d11c4280e01ccc3664da52fd8f11ef51ae2c5fab86500557d890d7ef0cbd654af30552fa88e3b15d78d7310a18c8c32c9bcacea324187
 DIST tree-diff-0.3.0.1.tar.gz 26603 BLAKE2B 2456836d111e689c5101703a617a384b31eb46f12d9a6ef54e863d9e537345729432f2784f2f33be681e413fd400979cbe81d3fb50e49b0627d2a7edefa7eed3 SHA512 69244dcf5bca996e6c08500cf1841e68fda2a304fb811d788d2dd03e79076496bc12bfb1d3ac3f30c01929bbd617f009e2a78c1a7b23284cd41d1f78d8e6d20e
+DIST tree-diff-0.3.4.tar.gz 26431 BLAKE2B acfc9092d52c38f702c2e15c9f22a675d2539031d143c46d00c4f50ade8a54e7ab31303d781c6d16239b74e092607a6f7b58951850d583286c97b70e04e1650d SHA512 a43ae447715b42efb7b18e83398bfd349fd74ac3126e4ee108831cfb36d28836c245c2ad916dede2f9ac17a71aa04ea30a190b0cd4559e418125b74d28dc0fb8
diff --git a/dev-haskell/tree-diff/tree-diff-0.3.4.ebuild b/dev-haskell/tree-diff/tree-diff-0.3.4.ebuild
new file mode 100644
index 0000000000000..e8dcc049d7bec
--- /dev/null
+++ b/dev-haskell/tree-diff/tree-diff-0.3.4.ebuild
@@ -0,0 +1,60 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# ebuild generated by hackport 0.9.0.0.9999
+
+CABAL_FEATURES="lib profile haddock hoogle hscolour" # test-suite"
+inherit haskell-cabal
+
+DESCRIPTION="Diffing of (expression) trees"
+HOMEPAGE="https://github.com/phadej/tree-diff"
+
+LICENSE="GPL-2+"
+SLOT="0/${PV}"
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~riscv ~x86"
+
+RESTRICT=test # tasty, tasty-quickcheck versions too new.
+
+CABAL_CHDEPS=(
+	'base        >=4.12.0.0  && <4.21' 'base >=4.12'
+	'time        ^>=1.8.0.2  || ^>=1.9.3    || ^>=1.10     || ^>=1.11 || ^>=1.12' 'time ^>=1.8.0.2 || >=1.9.3'
+)
+
+RDEPEND="
+	>=dev-haskell/aeson-2.2.0.0:=[profile?] <dev-haskell/aeson-2.3:=[profile?]
+	>=dev-haskell/ansi-terminal-1.1:=[profile?] <dev-haskell/ansi-terminal-1.2:=[profile?]
+	>=dev-haskell/ansi-wl-pprint-1.0.2:=[profile?] <dev-haskell/ansi-wl-pprint-1.1:=[profile?]
+	>=dev-haskell/data-array-byte-0.1.0.1:=[profile?] <dev-haskell/data-array-byte-0.2:=[profile?]
+	>=dev-haskell/parsec-3.1.13.0:=[profile?] <dev-haskell/parsec-3.2:=[profile?]
+	>=dev-haskell/hashable-1.4.4.0:=[profile?] <dev-haskell/hashable-1.6:=[profile?]
+	>=dev-haskell/parsers-0.12.11:=[profile?] <dev-haskell/parsers-0.13:=[profile?]
+	>=dev-haskell/primitive-0.9.0.0:=[profile?] <dev-haskell/primitive-0.10:=[profile?]
+	>=dev-haskell/quickcheck-2.14.2:=[profile?] <dev-haskell/quickcheck-2.16:=[profile?]
+	>=dev-haskell/scientific-0.3.8.0:=[profile?] <dev-haskell/scientific-0.4:=[profile?]
+	>=dev-haskell/semialign-1.3.1:=[profile?] <dev-haskell/semialign-1.4:=[profile?]
+	>=dev-haskell/strict-0.5:=[profile?] <dev-haskell/strict-0.6:=[profile?]
+	>=dev-haskell/tagged-0.8.8:=[profile?] <dev-haskell/tagged-0.9:=[profile?]
+	>=dev-haskell/these-1.2.1:=[profile?] <dev-haskell/these-1.3:=[profile?]
+	>=dev-haskell/unordered-containers-0.2.20:=[profile?] <dev-haskell/unordered-containers-0.3:=[profile?]
+	>=dev-haskell/uuid-types-1.0.6:=[profile?] <dev-haskell/uuid-types-1.1:=[profile?]
+	>=dev-haskell/vector-0.13.1.0:=[profile?] <dev-haskell/vector-0.14:=[profile?]
+	>=dev-lang/ghc-9.0.2:=
+	|| (
+		( >=dev-haskell/text-1.2.3.0 <dev-haskell/text-1.3 )
+		( >=dev-haskell/text-2.0 <dev-haskell/text-2.2 )
+	)
+	dev-haskell/text:=[profile?]
+"
+DEPEND="${RDEPEND}
+	>=dev-haskell/cabal-3.4.1.0
+"
+# test? (
+# 		dev-haskell/quickcheck
+# 		>=dev-haskell/tasty-1.5 <dev-haskell/tasty-1.6
+# 		>=dev-haskell/tasty-golden-2.3.5 <dev-haskell/tasty-golden-2.4
+# 		>=dev-haskell/tasty-quickcheck-0.10.3 <dev-haskell/tasty-quickcheck-0.12
+# 		>=dev-haskell/trifecta-2.1.4 <dev-haskell/trifecta-2.2
+# 	)
+# "