@@ -114,7 +114,7 @@ jobs:
           enable-cache: true
 
       - name: Install xarray_sql
-        run: uv sync --dev --no-install-package xarray-sql
+        run: uv sync --dev --extra test --no-install-package xarray-sql
       - name: build rust
         run: uv run --no-project maturin develop --uv
       - name: Run the demos
 
@@ -3,7 +3,7 @@
 # dependencies = [
 #   "xarray-sql[ml,duckdb]",
 #   "ddxdb[duckdb]",
-#   "einfold[datafusion]>=0.1.0rc1",
+#   "einfold[datafusion]>=0.1.0rc2",
 #   "jax",
 # ]
 #
 
@@ -3,7 +3,7 @@
 # dependencies = [
 #   "xarray-sql[ml,duckdb]",
 #   "ddxdb[duckdb]",
-#   "einfold[datafusion]>=0.1.0rc1",
+#   "einfold[datafusion]>=0.1.0rc2",
 #   "jax",
 # ]
 #
 
@@ -195,7 +195,7 @@ with ddxdb 0.3.2, before ddx differentiated the masked product as
 `jax.grad` does.
 
 **einfold finds FlashAttention's plan.** Measured on 2026-10-29 with
-einfold 0.1.0rc1, ddxdb 0.4.6, DataFusion 55.0.0 and DuckDB 1.5.6. Both
+einfold 0.1.0rc2, ddxdb 0.4.6, DataFusion 55.0.0 and DuckDB 1.5.6. Both
 spellings of attention, and the Nadaraya–Watson control, run as one of
 einfold's fused pipelines. It computes 64 × 64 tiles of scores one at a
 time and keeps a running softmax, and it never visits a pair of tiles the
@@ -210,7 +210,7 @@ by a rule that mentions no attention. Demo 1 checks that each runs fused.
 (Each range covers the two spellings.)
 
 - **Memory:** at 32,768 tokens the scores would take 4.3 GB. The forward
-  pass takes 1.8 s, and the process's peak memory grows by 0.52 GB.
+  pass takes 1.8 s, and the process's peak memory grows by 0.42 GB.
 - **Determinism:** its results are the same bits on 1 and on 12 threads.
 - **The gradient isn't fused yet.** einfold runs ddx's backward
   contractions as array algorithms, which about halves their time, but the
 
@@ -143,7 +143,7 @@ dev = [
     "ddxdb[duckdb]>=0.4.6,<0.5; sys_platform != 'emscripten'",
     # TODO(xqlsystems/einfold#118): install einfold on Windows too, once
     # it publishes a Windows wheel; until then it would build from source.
-    "einfold[datafusion]>=0.1.0rc1,<0.2; sys_platform != 'emscripten' and sys_platform != 'win32'",
+    "einfold[datafusion]>=0.1.0rc2,<0.2; sys_platform != 'emscripten' and sys_platform != 'win32'",
     # jaxlib publishes no wheels for Intel macOS, so the demos skip there.
     "jax; sys_platform != 'darwin' or platform_machine != 'x86_64'",
 ]
Original file line number	Diff line number	Diff line change
`@@ -3,7 +3,7 @@`
`3`	`3`	`# dependencies = [`
`4`	`4`	`# "xarray-sql[ml,duckdb]",`
`5`	`5`	`# "ddxdb[duckdb]",`
`6`		`-# "einfold[datafusion]>=0.1.0rc1",`
	`6`	`+# "einfold[datafusion]>=0.1.0rc2",`
`7`	`7`	`# "jax",`
`8`	`8`	`# ]`
`9`	`9`	`#`
Original file line number	Diff line number	Diff line change
`@@ -143,7 +143,7 @@ dev = [`
`143`	`143`	`"ddxdb[duckdb]>=0.4.6,<0.5; sys_platform != 'emscripten'",`
`144`	`144`	`# TODO(xqlsystems/einfold#118): install einfold on Windows too, once`
`145`	`145`	`# it publishes a Windows wheel; until then it would build from source.`
`146`		`- "einfold[datafusion]>=0.1.0rc1,<0.2; sys_platform != 'emscripten' and sys_platform != 'win32'",`
	`146`	`+ "einfold[datafusion]>=0.1.0rc2,<0.2; sys_platform != 'emscripten' and sys_platform != 'win32'",`
`147`	`147`	`# jaxlib publishes no wheels for Intel macOS, so the demos skip there.`
`148`	`148`	`"jax; sys_platform != 'darwin' or platform_machine != 'x86_64'",`
`149`	`149`	`]`