diff --git a/libc/include/android/fdsan.h b/libc/include/android/fdsan.h
index ea7689c..d71e6d4 100644
--- a/libc/include/android/fdsan.h
+++ b/libc/include/android/fdsan.h
@@ -128,21 +128,21 @@
 /*
  * Create an owner tag with the specified type and least significant 56 bits of tag.
  */
-uint64_t android_fdsan_create_owner_tag(enum android_fdsan_owner_type type, uint64_t tag) __INTRODUCED_IN_FUTURE __attribute__((__weak__));
+uint64_t android_fdsan_create_owner_tag(enum android_fdsan_owner_type type, uint64_t tag) __INTRODUCED_IN(29) __attribute__((__weak__));
 
 /*
  * Exchange a file descriptor's tag.
  *
  * Logs and aborts if the fd's tag does not match expected_tag.
  */
-void android_fdsan_exchange_owner_tag(int fd, uint64_t expected_tag, uint64_t new_tag) __INTRODUCED_IN_FUTURE __attribute__((__weak__));
+void android_fdsan_exchange_owner_tag(int fd, uint64_t expected_tag, uint64_t new_tag) __INTRODUCED_IN(29) __attribute__((__weak__));
 
 /*
  * Close a file descriptor with a tag, and resets the tag to 0.
  *
  * Logs and aborts if the tag is incorrect.
  */
-int android_fdsan_close_with_tag(int fd, uint64_t tag) __INTRODUCED_IN_FUTURE __attribute__((__weak__));
+int android_fdsan_close_with_tag(int fd, uint64_t tag) __INTRODUCED_IN(29) __attribute__((__weak__));
 
 /*
  * Get a file descriptor's current owner tag.
@@ -180,7 +180,7 @@
 /*
  * Get the error level.
  */
-enum android_fdsan_error_level android_fdsan_get_error_level() __INTRODUCED_IN_FUTURE __attribute__((__weak__));
+enum android_fdsan_error_level android_fdsan_get_error_level() __INTRODUCED_IN(29) __attribute__((__weak__));
 
 /*
  * Set the error level and return the previous state.
@@ -195,6 +195,6 @@
  * value, and so should probably only be called in single-threaded contexts
  * (e.g. postfork).
  */
-enum android_fdsan_error_level android_fdsan_set_error_level(enum android_fdsan_error_level new_level) __INTRODUCED_IN_FUTURE __attribute__((__weak__));
+enum android_fdsan_error_level android_fdsan_set_error_level(enum android_fdsan_error_level new_level) __INTRODUCED_IN(29) __attribute__((__weak__));
 
 __END_DECLS
diff --git a/libc/include/resolv.h b/libc/include/resolv.h
index 1518475..6318d00 100644
--- a/libc/include/resolv.h
+++ b/libc/include/resolv.h
@@ -60,7 +60,7 @@
 int res_search(const char* __name, int __class, int __type, u_char* __answer, int __answer_size);
 
 #define res_randomid __res_randomid
-u_int __res_randomid(void) __INTRODUCED_IN_FUTURE;
+u_int __res_randomid(void) __INTRODUCED_IN(29);
 
 __END_DECLS
 
diff --git a/libc/include/stdlib.h b/libc/include/stdlib.h
index 96a77a7..d5b8619 100644
--- a/libc/include/stdlib.h
+++ b/libc/include/stdlib.h
@@ -154,7 +154,7 @@
  *
  * Returns the number of samples written to `__averages` (at most 3), and returns -1 on failure.
  */
-int getloadavg(double __averages[], int __n) __INTRODUCED_IN_FUTURE;
+int getloadavg(double __averages[], int __n) __INTRODUCED_IN(29);
 
 /* BSD compatibility. */
 const char* getprogname(void) __INTRODUCED_IN(21);
diff --git a/libc/include/time.h b/libc/include/time.h
index ea41fda..48c5efc 100644
--- a/libc/include/time.h
+++ b/libc/include/time.h
@@ -109,7 +109,7 @@
 time_t timegm(struct tm* __tm) __INTRODUCED_IN(12);
 
 #define TIME_UTC 1
-int timespec_get(struct timespec* __ts, int __base) __INTRODUCED_IN_FUTURE;
+int timespec_get(struct timespec* __ts, int __base) __INTRODUCED_IN(29);
 
 __END_DECLS