tensorchord · usamoi · Mar 19, 2026 · Mar 19, 2026
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
@@ -58,7 +58,7 @@ jobs:
           regarding the licenses, please contact us at:
           vectorchord-inquiry@tensorchord.ai
 
-          Copyright (c) 2025 TensorChord Inc.
+          Copyright (c) 2025-2026 TensorChord Inc.
           EOF
           )
           COUNT=$(echo "$HEADER" | wc -l)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
@@ -98,6 +98,22 @@ jobs:
           VERSION: ${{ matrix.version }}
         run: |
           make DESTDIR="~/debian" install
+          mkdir -p ~/debian/usr/share/doc/postgresql-${VERSION}-vchord/
+          echo "Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+          Upstream-Name: VectorChord
+          Source: https://github.com/tensorchord/VectorChord
+
+          Files: *
+          Copyright: Copyright (c) 2025-2026 TensorChord Inc.
+          License: AGPL-3.0-only OR Elastic-2.0
+
+          License: AGPL-3.0-only
+           $(cat ./licenses/LICENSE.AGPLv3 | sed 's/^$/./' | sed 's/^/ /')
+
+          License: Elastic-2.0
+            $(cat ./licenses/LICENSE.ELv2 | sed 's/^$/./' | sed 's/^/ /')
+          " \
+          >> ~/debian/usr/share/doc/postgresql-${VERSION}-vchord/copyright
           ARCH=$(uname -m)
           PLATFORM=$(dpkg --print-architecture)
           mkdir -p ~/debian/DEBIAN
@@ -108,9 +124,11 @@ jobs:
           Priority: optional
           Architecture: ${PLATFORM}
           Maintainer: Tensorchord <support@tensorchord.ai>
-          Description: Vector database plugin for Postgres, written in Rust, specifically designed for LLM
-          Homepage: https://vectorchord.ai/
-          License: AGPL-3.0-only OR Elastic-2.0" \
+          Description: Scalable, fast, and disk-friendly vector search in Postgres
+           VectorChord is a PostgreSQL extension designed for scalable,
+           high-performance, and disk-efficient vector similarity search. It
+           supports L2 distance, inner product, cosine distance and maxsim.
+          Homepage: https://vectorchord.ai/" \
           > ~/debian/DEBIAN/control
           (cd ~/debian && find usr -type f -print0 | xargs -0 md5sum) > ~/debian/DEBIAN/md5sums
           dpkg-deb --root-owner-group -Zxz --build ~/debian ~/postgresql-${VERSION}-vchord_${SEMVER}-1_${PLATFORM}.deb

diff --git a/build.rs b/build.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use std::collections::HashMap;
 use std::env::{var, var_os};

diff --git a/crates/always_equal/src/lib.rs b/crates/always_equal/src/lib.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use std::cmp::Ordering;
 use std::hash::Hash;

diff --git a/crates/distance/src/lib.rs b/crates/distance/src/lib.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use zerocopy::{FromBytes, Immutable, IntoBytes, KnownLayout};
 

diff --git a/crates/feistel/src/lib.rs b/crates/feistel/src/lib.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 pub fn feistel<I>(width: u32, x: I, round: u32, secret: impl Fn(u32, I) -> I) -> I
 where

diff --git a/crates/index/src/accessor.rs b/crates/index/src/accessor.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use distance::Distance;
 use rabitq::byte::CodeMetadata;

diff --git a/crates/index/src/bump.rs b/crates/index/src/bump.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 pub trait Bump: 'static {
     #[allow(clippy::mut_from_ref)]

diff --git a/crates/index/src/fetch.rs b/crates/index/src/fetch.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use crate::packed::PackedRefMut;
 use always_equal::AlwaysEqual;

diff --git a/crates/index/src/lib.rs b/crates/index/src/lib.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 // pub mod accessor;
 pub mod bump;

diff --git a/crates/index/src/packed.rs b/crates/index/src/packed.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 pub trait PackedRefMut {
     type T;

diff --git a/crates/index/src/prefetcher.rs b/crates/index/src/prefetcher.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use crate::fetch::Fetch;
 use crate::relation::{

diff --git a/crates/index/src/relation.rs b/crates/index/src/relation.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use crate::fetch::Fetch;
 use std::ops::{Deref, DerefMut};

diff --git a/crates/index/src/tuples.rs b/crates/index/src/tuples.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use std::marker::PhantomData;
 use std::num::NonZero;

diff --git a/crates/k_means/src/flat.rs b/crates/k_means/src/flat.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use crate::index::{flat_index as prefect_index, flat_index as index};
 use crate::square::{Square, SquareMut};

diff --git a/crates/k_means/src/hierarchical.rs b/crates/k_means/src/hierarchical.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use crate::square::{Square, SquareMut};
 use crate::{KMeans, This};

diff --git a/crates/k_means/src/index.rs b/crates/k_means/src/index.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use crate::This;
 use crate::square::{Square, SquareMut};

diff --git a/crates/k_means/src/lib.rs b/crates/k_means/src/lib.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 mod flat;
 mod hierarchical;

diff --git a/crates/k_means/src/quick.rs b/crates/k_means/src/quick.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use crate::KMeans;
 use crate::index::flat_index as prefect_index;

diff --git a/crates/k_means/src/rabitq.rs b/crates/k_means/src/rabitq.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use crate::index::{flat_index as prefect_index, rabitq_index as index};
 use crate::square::{Square, SquareMut};

diff --git a/crates/k_means/src/square.rs b/crates/k_means/src/square.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 #[derive(Debug, Clone)]
 pub struct Square {

diff --git a/crates/rabitq/build.rs b/crates/rabitq/build.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use std::env::var;
 use std::error::Error;

diff --git a/crates/rabitq/src/bit.rs b/crates/rabitq/src/bit.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use binary::BinaryLut;
 use block::BlockLut;

diff --git a/crates/rabitq/src/bits.rs b/crates/rabitq/src/bits.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 pub use crate::extended::{Code, CodeMetadata};
 

diff --git a/crates/rabitq/src/byte.rs b/crates/rabitq/src/byte.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 pub use crate::extended::{Code, CodeMetadata};
 

diff --git a/crates/rabitq/src/extended.rs b/crates/rabitq/src/extended.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use simd::Floating;
 

diff --git a/crates/rabitq/src/halfbyte.rs b/crates/rabitq/src/halfbyte.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 pub use crate::extended::{Code, CodeMetadata};
 

diff --git a/crates/rabitq/src/lib.rs b/crates/rabitq/src/lib.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 pub mod bit;
 pub mod bits;

diff --git a/crates/rabitq/src/packing.rs b/crates/rabitq/src/packing.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 pub fn pack(x: [&[u8]; 32]) -> Vec<[u8; 16]> {
     let n = {

diff --git a/crates/rabitq/src/rotate.rs b/crates/rabitq/src/rotate.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 const BITS: &[u8; 262144] = include_bytes!(concat!(env!("OUT_DIR"), "/bits"));
 

diff --git a/crates/simd/benches/bench.rs b/crates/simd/benches/bench.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 #![allow(unsafe_code)]
 

diff --git a/crates/simd/build.rs b/crates/simd/build.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 use std::env::var;
 use std::error::Error;

diff --git a/crates/simd/cshim/aarch64_byte.c b/crates/simd/cshim/aarch64_byte.c
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 #if defined(__clang__)
 #if !(__clang_major__ >= 16)

diff --git a/crates/simd/cshim/aarch64_halfbyte.c b/crates/simd/cshim/aarch64_halfbyte.c
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 #if defined(__clang__)
 #if !(__clang_major__ >= 16)

diff --git a/crates/simd/cshim/aarch64_sve_fp16.c b/crates/simd/cshim/aarch64_sve_fp16.c
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 #if defined(__clang__)
 #if !(__clang_major__ >= 16)

diff --git a/crates/simd/cshim/aarch64_sve_fp32.c b/crates/simd/cshim/aarch64_sve_fp32.c
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 #if defined(__clang__)
 #if !(__clang_major__ >= 16)

diff --git a/crates/simd/src/aligned.rs b/crates/simd/src/aligned.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 #[allow(dead_code)]
 #[derive(Debug, Clone, Copy)]

diff --git a/crates/simd/src/bit.rs b/crates/simd/src/bit.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 #[inline(always)]
 pub fn reduce_sum_of_and(lhs: &[u64], rhs: &[u64]) -> u32 {

diff --git a/crates/simd/src/byte.rs b/crates/simd/src/byte.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 #[cfg_attr(feature = "internal", simd_macros::public)]
 mod reduce_sum_of_xy {

diff --git a/crates/simd/src/emulate.rs b/crates/simd/src/emulate.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 #[allow(unused_macros)]
 macro_rules! partial_load {

diff --git a/crates/simd/src/fast_scan.rs b/crates/simd/src/fast_scan.rs
@@ -10,7 +10,7 @@
 // regarding the licenses, please contact us at:
 // vectorchord-inquiry@tensorchord.ai
 //
-// Copyright (c) 2025 TensorChord Inc.
+// Copyright (c) 2025-2026 TensorChord Inc.
 
 /*