diff --git a/doc/changes/auxiliary/mr.2062.1.md b/doc/changes/auxiliary/mr.2062.1.md
new file mode 100644
index 000000000..659e3cffc
--- /dev/null
+++ b/doc/changes/auxiliary/mr.2062.1.md
@@ -0,0 +1 @@
+u/system: Add helper to implement `xrt_system`.
\ No newline at end of file
diff --git a/doc/changes/auxiliary/mr.2062.2.md b/doc/changes/auxiliary/mr.2062.2.md
new file mode 100644
index 000000000..b945e1111
--- /dev/null
+++ b/doc/changes/auxiliary/mr.2062.2.md
@@ -0,0 +1 @@
+u/session: Add helper to implement `xrt_session`.
diff --git a/doc/changes/compositor/mr.2062.1.md b/doc/changes/compositor/mr.2062.1.md
new file mode 100644
index 000000000..1f237f73f
--- /dev/null
+++ b/doc/changes/compositor/mr.2062.1.md
@@ -0,0 +1 @@
+main: Remove events code, no longer needed.
diff --git a/doc/changes/compositor/mr.2062.2.md b/doc/changes/compositor/mr.2062.2.md
new file mode 100644
index 000000000..e067e5d1e
--- /dev/null
+++ b/doc/changes/compositor/mr.2062.2.md
@@ -0,0 +1 @@
+null: Remove events code, no longer needed.
diff --git a/doc/changes/compositor/mr.2062.3.md b/doc/changes/compositor/mr.2062.3.md
new file mode 100644
index 000000000..f847686ce
--- /dev/null
+++ b/doc/changes/compositor/mr.2062.3.md
@@ -0,0 +1 @@
+multi: Switch to use `xrt_session_event` and `xrt_session_event_sink`.
diff --git a/doc/changes/compositor/mr.2062.4.md b/doc/changes/compositor/mr.2062.4.md
new file mode 100644
index 000000000..ad277b7c0
--- /dev/null
+++ b/doc/changes/compositor/mr.2062.4.md
@@ -0,0 +1 @@
+client: Remove event functions.
diff --git a/doc/changes/ipc/mr.2062.md b/doc/changes/ipc/mr.2062.md
new file mode 100644
index 000000000..c701d2512
--- /dev/null
+++ b/doc/changes/ipc/mr.2062.md
@@ -0,0 +1 @@
+all: Add support for the new `xrt_system` and `xrt_session` objects.
diff --git a/doc/changes/misc_features/mr.2062.1.md b/doc/changes/misc_features/mr.2062.1.md
new file mode 100644
index 000000000..f09d9991c
--- /dev/null
+++ b/doc/changes/misc_features/mr.2062.1.md
@@ -0,0 +1 @@
+t/common: Add support for `xrt_system` and `xrt_session`.
diff --git a/doc/changes/misc_features/mr.2062.2.md b/doc/changes/misc_features/mr.2062.2.md
new file mode 100644
index 000000000..7ad80903e
--- /dev/null
+++ b/doc/changes/misc_features/mr.2062.2.md
@@ -0,0 +1 @@
+t/cli: Add support for `xrt_system`.
diff --git a/doc/changes/misc_features/mr.2062.3.md b/doc/changes/misc_features/mr.2062.3.md
new file mode 100644
index 000000000..4ae65b902
--- /dev/null
+++ b/doc/changes/misc_features/mr.2062.3.md
@@ -0,0 +1,2 @@
+t/sdl_test: Add support for `xrt_system` and `xrt_session`, also remove old
+events code.
diff --git a/doc/changes/state_trackers/mr.2062.1.md b/doc/changes/state_trackers/mr.2062.1.md
new file mode 100644
index 000000000..07798f85c
--- /dev/null
+++ b/doc/changes/state_trackers/mr.2062.1.md
@@ -0,0 +1 @@
+OpenXR: Add support for the new `xrt_system` and `xrt_session` objects.
diff --git a/doc/changes/state_trackers/mr.2062.2.md b/doc/changes/state_trackers/mr.2062.2.md
new file mode 100644
index 000000000..3e83fb065
--- /dev/null
+++ b/doc/changes/state_trackers/mr.2062.2.md
@@ -0,0 +1 @@
+steamvr_drv: Add support for the new `xrt_system` and `xrt_session` objects.
diff --git a/doc/changes/xrt/mr.2062.md b/doc/changes/xrt/mr.2062.md
new file mode 100644
index 000000000..137d24562
--- /dev/null
+++ b/doc/changes/xrt/mr.2062.md
@@ -0,0 +1,4 @@
+Introduce two new objects `xrt_system`, `xrt_session`, `xrt_session_event` and
+`xrt_session_event_sink`. Along with two new error returns
+`XRT_ERROR_IPC_COMPOSITOR_NOT_CREATED` and `XRT_ERROR_COMPOSITOR_NOT_SUPPORTED`.
+Also moves the compositor events to the session.