diff --git a/CITATION.cff b/CITATION.cff
index 5d8f2c1d4cc..1938b78e614 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -4,8 +4,8 @@ title: SageMath
 abstract: SageMath is a free open-source mathematics software system.
 authors:
 - name: "The SageMath Developers"
-version: 10.6.rc0
+version: 10.6.rc1
 doi: 10.5281/zenodo.8042260
-date-released: 2025-03-22
+date-released: 2025-03-27
 repository-code: "https://github.com/sagemath/sage"
 url: "https://www.sagemath.org/"
diff --git a/VERSION.txt b/VERSION.txt
index e757d571441..e2f92363ce9 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-SageMath version 10.6.rc0, Release Date: 2025-03-22
+SageMath version 10.6.rc1, Release Date: 2025-03-27
diff --git a/build/pkgs/configure/checksums.ini b/build/pkgs/configure/checksums.ini
index ec563841043..2c5ceb8574e 100644
--- a/build/pkgs/configure/checksums.ini
+++ b/build/pkgs/configure/checksums.ini
@@ -1,3 +1,3 @@
 tarball=configure-VERSION.tar.gz
-sha1=9743f84f12c5cef218137fc45ee258620ded9fe5
-sha256=7b2b9d2fef25fa69918ecb1f5b6eca1fccf22960ce2a235e0baf99d096e625b7
+sha1=b864ca0eb94c01c9e724699ac6d797a65b5acbb0
+sha256=5aa6946e6a99eeac2b829f2146338eeef8537a3134b4289078c8417092ecaaf2
diff --git a/build/pkgs/configure/package-version.txt b/build/pkgs/configure/package-version.txt
index 6ca8eef6be3..efc4b892210 100644
--- a/build/pkgs/configure/package-version.txt
+++ b/build/pkgs/configure/package-version.txt
@@ -1 +1 @@
-9320452a3de4e261d779f159315c25d3dbe8f57d
+8dab37468c9feb4a5a1fcc22bbccc12321aaa475
diff --git a/build/pkgs/sage_conf/version_requirements.txt b/build/pkgs/sage_conf/version_requirements.txt
index e2711cf425e..d3b1f01678d 100644
--- a/build/pkgs/sage_conf/version_requirements.txt
+++ b/build/pkgs/sage_conf/version_requirements.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sage-conf ~= 10.6rc0
+sage-conf ~= 10.6rc1
diff --git a/build/pkgs/sage_docbuild/version_requirements.txt b/build/pkgs/sage_docbuild/version_requirements.txt
index ddce0ddc128..c9d29949628 100644
--- a/build/pkgs/sage_docbuild/version_requirements.txt
+++ b/build/pkgs/sage_docbuild/version_requirements.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sage-docbuild ~= 10.6rc0
+sage-docbuild ~= 10.6rc1
diff --git a/build/pkgs/sage_setup/version_requirements.txt b/build/pkgs/sage_setup/version_requirements.txt
index d69fafac7d7..e2827abd3e3 100644
--- a/build/pkgs/sage_setup/version_requirements.txt
+++ b/build/pkgs/sage_setup/version_requirements.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sage-setup ~= 10.6rc0
+sage-setup ~= 10.6rc1
diff --git a/build/pkgs/sage_sws2rst/version_requirements.txt b/build/pkgs/sage_sws2rst/version_requirements.txt
index 4789e75e9a5..a399eab717c 100644
--- a/build/pkgs/sage_sws2rst/version_requirements.txt
+++ b/build/pkgs/sage_sws2rst/version_requirements.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sage-sws2rst ~= 10.6rc0
+sage-sws2rst ~= 10.6rc1
diff --git a/build/pkgs/sagelib/version_requirements.txt b/build/pkgs/sagelib/version_requirements.txt
index ae785c81a8a..18a520aa379 100644
--- a/build/pkgs/sagelib/version_requirements.txt
+++ b/build/pkgs/sagelib/version_requirements.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-standard ~= 10.6rc0
+sagemath-standard ~= 10.6rc1
diff --git a/build/pkgs/sagemath_bliss/version_requirements.txt b/build/pkgs/sagemath_bliss/version_requirements.txt
index 3e41b50fb42..681278704e0 100644
--- a/build/pkgs/sagemath_bliss/version_requirements.txt
+++ b/build/pkgs/sagemath_bliss/version_requirements.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-bliss ~= 10.6rc0
+sagemath-bliss ~= 10.6rc1
diff --git a/build/pkgs/sagemath_categories/version_requirements.txt b/build/pkgs/sagemath_categories/version_requirements.txt
index ec07d2ea86a..70814dcc35a 100644
--- a/build/pkgs/sagemath_categories/version_requirements.txt
+++ b/build/pkgs/sagemath_categories/version_requirements.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-categories ~= 10.6rc0
+sagemath-categories ~= 10.6rc1
diff --git a/build/pkgs/sagemath_coxeter3/version_requirements.txt b/build/pkgs/sagemath_coxeter3/version_requirements.txt
index 2e6c0075ff1..4b5ac58eeea 100644
--- a/build/pkgs/sagemath_coxeter3/version_requirements.txt
+++ b/build/pkgs/sagemath_coxeter3/version_requirements.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-coxeter3 ~= 10.6rc0
+sagemath-coxeter3 ~= 10.6rc1
diff --git a/build/pkgs/sagemath_environment/version_requirements.txt b/build/pkgs/sagemath_environment/version_requirements.txt
index fb8ae58457c..e2430199cac 100644
--- a/build/pkgs/sagemath_environment/version_requirements.txt
+++ b/build/pkgs/sagemath_environment/version_requirements.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-environment ~= 10.6rc0
+sagemath-environment ~= 10.6rc1
diff --git a/build/pkgs/sagemath_mcqd/version_requirements.txt b/build/pkgs/sagemath_mcqd/version_requirements.txt
index 00ed77bfc0e..f7db6aaec4b 100644
--- a/build/pkgs/sagemath_mcqd/version_requirements.txt
+++ b/build/pkgs/sagemath_mcqd/version_requirements.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-mcqd ~= 10.6rc0
+sagemath-mcqd ~= 10.6rc1
diff --git a/build/pkgs/sagemath_meataxe/version_requirements.txt b/build/pkgs/sagemath_meataxe/version_requirements.txt
index 9f1aebfd956..27ad3837234 100644
--- a/build/pkgs/sagemath_meataxe/version_requirements.txt
+++ b/build/pkgs/sagemath_meataxe/version_requirements.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-meataxe ~= 10.6rc0
+sagemath-meataxe ~= 10.6rc1
diff --git a/build/pkgs/sagemath_objects/version_requirements.txt b/build/pkgs/sagemath_objects/version_requirements.txt
index 66688600375..55aec53afc7 100644
--- a/build/pkgs/sagemath_objects/version_requirements.txt
+++ b/build/pkgs/sagemath_objects/version_requirements.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-objects ~= 10.6rc0
+sagemath-objects ~= 10.6rc1
diff --git a/build/pkgs/sagemath_repl/version_requirements.txt b/build/pkgs/sagemath_repl/version_requirements.txt
index 0c3f1708ccc..173877b4ac3 100644
--- a/build/pkgs/sagemath_repl/version_requirements.txt
+++ b/build/pkgs/sagemath_repl/version_requirements.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-repl ~= 10.6rc0
+sagemath-repl ~= 10.6rc1
diff --git a/build/pkgs/sagemath_sirocco/version_requirements.txt b/build/pkgs/sagemath_sirocco/version_requirements.txt
index 1b83b59f302..d4a5073ec18 100644
--- a/build/pkgs/sagemath_sirocco/version_requirements.txt
+++ b/build/pkgs/sagemath_sirocco/version_requirements.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-sirocco ~= 10.6rc0
+sagemath-sirocco ~= 10.6rc1
diff --git a/build/pkgs/sagemath_tdlib/version_requirements.txt b/build/pkgs/sagemath_tdlib/version_requirements.txt
index 26b16231fcc..f1cb914df46 100644
--- a/build/pkgs/sagemath_tdlib/version_requirements.txt
+++ b/build/pkgs/sagemath_tdlib/version_requirements.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-tdlib ~= 10.6rc0
+sagemath-tdlib ~= 10.6rc1
diff --git a/pkgs/sage-conf/VERSION.txt b/pkgs/sage-conf/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/pkgs/sage-conf/VERSION.txt
+++ b/pkgs/sage-conf/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/pkgs/sage-conf_conda/VERSION.txt b/pkgs/sage-conf_conda/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/pkgs/sage-conf_conda/VERSION.txt
+++ b/pkgs/sage-conf_conda/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/pkgs/sage-conf_pypi/VERSION.txt b/pkgs/sage-conf_pypi/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/pkgs/sage-conf_pypi/VERSION.txt
+++ b/pkgs/sage-conf_pypi/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/pkgs/sage-docbuild/VERSION.txt b/pkgs/sage-docbuild/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/pkgs/sage-docbuild/VERSION.txt
+++ b/pkgs/sage-docbuild/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/pkgs/sage-setup/VERSION.txt b/pkgs/sage-setup/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/pkgs/sage-setup/VERSION.txt
+++ b/pkgs/sage-setup/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/pkgs/sage-sws2rst/VERSION.txt b/pkgs/sage-sws2rst/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/pkgs/sage-sws2rst/VERSION.txt
+++ b/pkgs/sage-sws2rst/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/pkgs/sagemath-bliss/VERSION.txt b/pkgs/sagemath-bliss/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/pkgs/sagemath-bliss/VERSION.txt
+++ b/pkgs/sagemath-bliss/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/pkgs/sagemath-categories/VERSION.txt b/pkgs/sagemath-categories/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/pkgs/sagemath-categories/VERSION.txt
+++ b/pkgs/sagemath-categories/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/pkgs/sagemath-coxeter3/VERSION.txt b/pkgs/sagemath-coxeter3/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/pkgs/sagemath-coxeter3/VERSION.txt
+++ b/pkgs/sagemath-coxeter3/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/pkgs/sagemath-environment/VERSION.txt b/pkgs/sagemath-environment/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/pkgs/sagemath-environment/VERSION.txt
+++ b/pkgs/sagemath-environment/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/pkgs/sagemath-mcqd/VERSION.txt b/pkgs/sagemath-mcqd/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/pkgs/sagemath-mcqd/VERSION.txt
+++ b/pkgs/sagemath-mcqd/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/pkgs/sagemath-meataxe/VERSION.txt b/pkgs/sagemath-meataxe/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/pkgs/sagemath-meataxe/VERSION.txt
+++ b/pkgs/sagemath-meataxe/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/pkgs/sagemath-objects/VERSION.txt b/pkgs/sagemath-objects/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/pkgs/sagemath-objects/VERSION.txt
+++ b/pkgs/sagemath-objects/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/pkgs/sagemath-repl/VERSION.txt b/pkgs/sagemath-repl/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/pkgs/sagemath-repl/VERSION.txt
+++ b/pkgs/sagemath-repl/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/pkgs/sagemath-sirocco/VERSION.txt b/pkgs/sagemath-sirocco/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/pkgs/sagemath-sirocco/VERSION.txt
+++ b/pkgs/sagemath-sirocco/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/pkgs/sagemath-tdlib/VERSION.txt b/pkgs/sagemath-tdlib/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/pkgs/sagemath-tdlib/VERSION.txt
+++ b/pkgs/sagemath-tdlib/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/src/VERSION.txt b/src/VERSION.txt
index b3787f5e0d6..672aeee174f 100644
--- a/src/VERSION.txt
+++ b/src/VERSION.txt
@@ -1 +1 @@
-10.6.rc0
+10.6.rc1
diff --git a/src/bin/sage-version.sh b/src/bin/sage-version.sh
index b2ef68ab3f6..12cde0e99e6 100644
--- a/src/bin/sage-version.sh
+++ b/src/bin/sage-version.sh
@@ -4,6 +4,6 @@
 # which stops "setup.py develop" from rewriting it as a Python file.
 :
 # This file is auto-generated by the sage-update-version script, do not edit!
-SAGE_VERSION='10.6.rc0'
-SAGE_RELEASE_DATE='2025-03-22'
-SAGE_VERSION_BANNER='SageMath version 10.6.rc0, Release Date: 2025-03-22'
+SAGE_VERSION='10.6.rc1'
+SAGE_RELEASE_DATE='2025-03-27'
+SAGE_VERSION_BANNER='SageMath version 10.6.rc1, Release Date: 2025-03-27'
diff --git a/src/sage/algebras/quatalg/quaternion_algebra.py b/src/sage/algebras/quatalg/quaternion_algebra.py
index 5bfa1bb2d22..8a12d9a8dc2 100644
--- a/src/sage/algebras/quatalg/quaternion_algebra.py
+++ b/src/sage/algebras/quatalg/quaternion_algebra.py
@@ -2934,7 +2934,7 @@ def isomorphism_to(self, other, *, conjugator=False, B=10):
         ALGORITHM:
 
         Find a generator of the principal lattice `N\cdot O\cdot O'`
-        where `N = [O : O cap O']` using
+        where `N = [O : O \cap O']` using
         :meth:`QuaternionFractionalIdeal_rational.minimal_element()`.
         An isomorphism is given by conjugation by such an element.
         Works providing reduced norm of conjugation element is not
diff --git a/src/sage/version.py b/src/sage/version.py
index e0f3dc25087..aca8b9a4bf7 100644
--- a/src/sage/version.py
+++ b/src/sage/version.py
@@ -1,5 +1,5 @@
 # Sage version information for Python scripts
 # This file is auto-generated by the sage-update-version script, do not edit!
-version = '10.6.rc0'
-date = '2025-03-22'
-banner = 'SageMath version 10.6.rc0, Release Date: 2025-03-22'
+version = '10.6.rc1'
+date = '2025-03-27'
+banner = 'SageMath version 10.6.rc1, Release Date: 2025-03-27'