diff --git a/libc/libc.arm.map b/libc/libc.arm.map
index 0e1c988..7500742 100644
--- a/libc/libc.arm.map
+++ b/libc/libc.arm.map
@@ -1261,58 +1261,58 @@
 
 LIBC_O {
   global:
-    __sendto_chk; # future
-    __system_property_read_callback; # future
-    __system_property_wait; # future
+    __sendto_chk; # introduced=26
+    __system_property_read_callback; # introduced=26
+    __system_property_wait; # introduced=26
     bsd_signal; # arm x86 mips versioned=26
-    catclose; # future
-    catgets; # future
-    catopen; # future
-    ctermid; # future
-    endgrent; # future
-    endpwent; # future
-    futimes; # future
-    futimesat; # future
-    getdomainname; # future
-    getgrent; # future
-    getpwent; # future
-    getsubopt; # future
-    hasmntopt; # future
-    lutimes; # future
-    mblen; # future
-    msgctl; # future
-    msgget; # future
-    msgrcv; # future
-    msgsnd; # future
-    nl_langinfo; # future
-    nl_langinfo_l; # future
-    pthread_getname_np; # future
-    quotactl; # future
-    semctl; # future
-    semget; # future
-    semop; # future
-    semtimedop; # future
-    setdomainname; # future
-    setgrent; # future
-    setpwent; # future
-    shmat; # future
-    shmctl; # future
-    shmdt; # future
-    shmget; # future
-    sighold; # future
-    sigignore; # future
-    sigpause; # future
-    sigrelse; # future
-    sigset; # future
-    strtod_l; # future
-    strtof_l; # future
-    strtol_l; # future
-    strtoul_l; # future
-    sync_file_range; # future
-    towctrans; # future
-    towctrans_l; # future
-    wctrans; # future
-    wctrans_l; # future
+    catclose; # introduced=26
+    catgets; # introduced=26
+    catopen; # introduced=26
+    ctermid; # introduced=26
+    endgrent; # introduced=26
+    endpwent; # introduced=26
+    futimes; # introduced=26
+    futimesat; # introduced=26
+    getdomainname; # introduced=26
+    getgrent; # introduced=26
+    getpwent; # introduced=26
+    getsubopt; # introduced=26
+    hasmntopt; # introduced=26
+    lutimes; # introduced=26
+    mblen; # introduced=26
+    msgctl; # introduced=26
+    msgget; # introduced=26
+    msgrcv; # introduced=26
+    msgsnd; # introduced=26
+    nl_langinfo; # introduced=26
+    nl_langinfo_l; # introduced=26
+    pthread_getname_np; # introduced=26
+    quotactl; # introduced=26
+    semctl; # introduced=26
+    semget; # introduced=26
+    semop; # introduced=26
+    semtimedop; # introduced=26
+    setdomainname; # introduced=26
+    setgrent; # introduced=26
+    setpwent; # introduced=26
+    shmat; # introduced=26
+    shmctl; # introduced=26
+    shmdt; # introduced=26
+    shmget; # introduced=26
+    sighold; # introduced=26
+    sigignore; # introduced=26
+    sigpause; # introduced=26
+    sigrelse; # introduced=26
+    sigset; # introduced=26
+    strtod_l; # introduced=26
+    strtof_l; # introduced=26
+    strtol_l; # introduced=26
+    strtoul_l; # introduced=26
+    sync_file_range; # introduced=26
+    towctrans; # introduced=26
+    towctrans_l; # introduced=26
+    wctrans; # introduced=26
+    wctrans_l; # introduced=26
 } LIBC_N;
 
 LIBC_PRIVATE {
diff --git a/libc/libc.arm64.map b/libc/libc.arm64.map
index 34b8b19..9875eda 100644
--- a/libc/libc.arm64.map
+++ b/libc/libc.arm64.map
@@ -1184,57 +1184,57 @@
 
 LIBC_O {
   global:
-    __sendto_chk; # future
-    __system_property_read_callback; # future
-    __system_property_wait; # future
-    catclose; # future
-    catgets; # future
-    catopen; # future
-    ctermid; # future
-    endgrent; # future
-    endpwent; # future
-    futimes; # future
-    futimesat; # future
-    getdomainname; # future
-    getgrent; # future
-    getpwent; # future
-    getsubopt; # future
-    hasmntopt; # future
-    lutimes; # future
-    mblen; # future
-    msgctl; # future
-    msgget; # future
-    msgrcv; # future
-    msgsnd; # future
-    nl_langinfo; # future
-    nl_langinfo_l; # future
-    pthread_getname_np; # future
-    quotactl; # future
-    semctl; # future
-    semget; # future
-    semop; # future
-    semtimedop; # future
-    setdomainname; # future
-    setgrent; # future
-    setpwent; # future
-    shmat; # future
-    shmctl; # future
-    shmdt; # future
-    shmget; # future
-    sighold; # future
-    sigignore; # future
-    sigpause; # future
-    sigrelse; # future
-    sigset; # future
-    strtod_l; # future
-    strtof_l; # future
-    strtol_l; # future
-    strtoul_l; # future
-    sync_file_range; # future
-    towctrans; # future
-    towctrans_l; # future
-    wctrans; # future
-    wctrans_l; # future
+    __sendto_chk; # introduced=26
+    __system_property_read_callback; # introduced=26
+    __system_property_wait; # introduced=26
+    catclose; # introduced=26
+    catgets; # introduced=26
+    catopen; # introduced=26
+    ctermid; # introduced=26
+    endgrent; # introduced=26
+    endpwent; # introduced=26
+    futimes; # introduced=26
+    futimesat; # introduced=26
+    getdomainname; # introduced=26
+    getgrent; # introduced=26
+    getpwent; # introduced=26
+    getsubopt; # introduced=26
+    hasmntopt; # introduced=26
+    lutimes; # introduced=26
+    mblen; # introduced=26
+    msgctl; # introduced=26
+    msgget; # introduced=26
+    msgrcv; # introduced=26
+    msgsnd; # introduced=26
+    nl_langinfo; # introduced=26
+    nl_langinfo_l; # introduced=26
+    pthread_getname_np; # introduced=26
+    quotactl; # introduced=26
+    semctl; # introduced=26
+    semget; # introduced=26
+    semop; # introduced=26
+    semtimedop; # introduced=26
+    setdomainname; # introduced=26
+    setgrent; # introduced=26
+    setpwent; # introduced=26
+    shmat; # introduced=26
+    shmctl; # introduced=26
+    shmdt; # introduced=26
+    shmget; # introduced=26
+    sighold; # introduced=26
+    sigignore; # introduced=26
+    sigpause; # introduced=26
+    sigrelse; # introduced=26
+    sigset; # introduced=26
+    strtod_l; # introduced=26
+    strtof_l; # introduced=26
+    strtol_l; # introduced=26
+    strtoul_l; # introduced=26
+    sync_file_range; # introduced=26
+    towctrans; # introduced=26
+    towctrans_l; # introduced=26
+    wctrans; # introduced=26
+    wctrans_l; # introduced=26
 } LIBC_N;
 
 LIBC_PRIVATE {
diff --git a/libc/libc.mips.map b/libc/libc.mips.map
index d80e659..93d31a7 100644
--- a/libc/libc.mips.map
+++ b/libc/libc.mips.map
@@ -1245,58 +1245,58 @@
 
 LIBC_O {
   global:
-    __sendto_chk; # future
-    __system_property_read_callback; # future
-    __system_property_wait; # future
+    __sendto_chk; # introduced=26
+    __system_property_read_callback; # introduced=26
+    __system_property_wait; # introduced=26
     bsd_signal; # arm x86 mips versioned=26
-    catclose; # future
-    catgets; # future
-    catopen; # future
-    ctermid; # future
-    endgrent; # future
-    endpwent; # future
-    futimes; # future
-    futimesat; # future
-    getdomainname; # future
-    getgrent; # future
-    getpwent; # future
-    getsubopt; # future
-    hasmntopt; # future
-    lutimes; # future
-    mblen; # future
-    msgctl; # future
-    msgget; # future
-    msgrcv; # future
-    msgsnd; # future
-    nl_langinfo; # future
-    nl_langinfo_l; # future
-    pthread_getname_np; # future
-    quotactl; # future
-    semctl; # future
-    semget; # future
-    semop; # future
-    semtimedop; # future
-    setdomainname; # future
-    setgrent; # future
-    setpwent; # future
-    shmat; # future
-    shmctl; # future
-    shmdt; # future
-    shmget; # future
-    sighold; # future
-    sigignore; # future
-    sigpause; # future
-    sigrelse; # future
-    sigset; # future
-    strtod_l; # future
-    strtof_l; # future
-    strtol_l; # future
-    strtoul_l; # future
-    sync_file_range; # future
-    towctrans; # future
-    towctrans_l; # future
-    wctrans; # future
-    wctrans_l; # future
+    catclose; # introduced=26
+    catgets; # introduced=26
+    catopen; # introduced=26
+    ctermid; # introduced=26
+    endgrent; # introduced=26
+    endpwent; # introduced=26
+    futimes; # introduced=26
+    futimesat; # introduced=26
+    getdomainname; # introduced=26
+    getgrent; # introduced=26
+    getpwent; # introduced=26
+    getsubopt; # introduced=26
+    hasmntopt; # introduced=26
+    lutimes; # introduced=26
+    mblen; # introduced=26
+    msgctl; # introduced=26
+    msgget; # introduced=26
+    msgrcv; # introduced=26
+    msgsnd; # introduced=26
+    nl_langinfo; # introduced=26
+    nl_langinfo_l; # introduced=26
+    pthread_getname_np; # introduced=26
+    quotactl; # introduced=26
+    semctl; # introduced=26
+    semget; # introduced=26
+    semop; # introduced=26
+    semtimedop; # introduced=26
+    setdomainname; # introduced=26
+    setgrent; # introduced=26
+    setpwent; # introduced=26
+    shmat; # introduced=26
+    shmctl; # introduced=26
+    shmdt; # introduced=26
+    shmget; # introduced=26
+    sighold; # introduced=26
+    sigignore; # introduced=26
+    sigpause; # introduced=26
+    sigrelse; # introduced=26
+    sigset; # introduced=26
+    strtod_l; # introduced=26
+    strtof_l; # introduced=26
+    strtol_l; # introduced=26
+    strtoul_l; # introduced=26
+    sync_file_range; # introduced=26
+    towctrans; # introduced=26
+    towctrans_l; # introduced=26
+    wctrans; # introduced=26
+    wctrans_l; # introduced=26
 } LIBC_N;
 
 LIBC_PRIVATE {
diff --git a/libc/libc.mips64.map b/libc/libc.mips64.map
index 34b8b19..9875eda 100644
--- a/libc/libc.mips64.map
+++ b/libc/libc.mips64.map
@@ -1184,57 +1184,57 @@
 
 LIBC_O {
   global:
-    __sendto_chk; # future
-    __system_property_read_callback; # future
-    __system_property_wait; # future
-    catclose; # future
-    catgets; # future
-    catopen; # future
-    ctermid; # future
-    endgrent; # future
-    endpwent; # future
-    futimes; # future
-    futimesat; # future
-    getdomainname; # future
-    getgrent; # future
-    getpwent; # future
-    getsubopt; # future
-    hasmntopt; # future
-    lutimes; # future
-    mblen; # future
-    msgctl; # future
-    msgget; # future
-    msgrcv; # future
-    msgsnd; # future
-    nl_langinfo; # future
-    nl_langinfo_l; # future
-    pthread_getname_np; # future
-    quotactl; # future
-    semctl; # future
-    semget; # future
-    semop; # future
-    semtimedop; # future
-    setdomainname; # future
-    setgrent; # future
-    setpwent; # future
-    shmat; # future
-    shmctl; # future
-    shmdt; # future
-    shmget; # future
-    sighold; # future
-    sigignore; # future
-    sigpause; # future
-    sigrelse; # future
-    sigset; # future
-    strtod_l; # future
-    strtof_l; # future
-    strtol_l; # future
-    strtoul_l; # future
-    sync_file_range; # future
-    towctrans; # future
-    towctrans_l; # future
-    wctrans; # future
-    wctrans_l; # future
+    __sendto_chk; # introduced=26
+    __system_property_read_callback; # introduced=26
+    __system_property_wait; # introduced=26
+    catclose; # introduced=26
+    catgets; # introduced=26
+    catopen; # introduced=26
+    ctermid; # introduced=26
+    endgrent; # introduced=26
+    endpwent; # introduced=26
+    futimes; # introduced=26
+    futimesat; # introduced=26
+    getdomainname; # introduced=26
+    getgrent; # introduced=26
+    getpwent; # introduced=26
+    getsubopt; # introduced=26
+    hasmntopt; # introduced=26
+    lutimes; # introduced=26
+    mblen; # introduced=26
+    msgctl; # introduced=26
+    msgget; # introduced=26
+    msgrcv; # introduced=26
+    msgsnd; # introduced=26
+    nl_langinfo; # introduced=26
+    nl_langinfo_l; # introduced=26
+    pthread_getname_np; # introduced=26
+    quotactl; # introduced=26
+    semctl; # introduced=26
+    semget; # introduced=26
+    semop; # introduced=26
+    semtimedop; # introduced=26
+    setdomainname; # introduced=26
+    setgrent; # introduced=26
+    setpwent; # introduced=26
+    shmat; # introduced=26
+    shmctl; # introduced=26
+    shmdt; # introduced=26
+    shmget; # introduced=26
+    sighold; # introduced=26
+    sigignore; # introduced=26
+    sigpause; # introduced=26
+    sigrelse; # introduced=26
+    sigset; # introduced=26
+    strtod_l; # introduced=26
+    strtof_l; # introduced=26
+    strtol_l; # introduced=26
+    strtoul_l; # introduced=26
+    sync_file_range; # introduced=26
+    towctrans; # introduced=26
+    towctrans_l; # introduced=26
+    wctrans; # introduced=26
+    wctrans_l; # introduced=26
 } LIBC_N;
 
 LIBC_PRIVATE {
diff --git a/libc/libc.x86.map b/libc/libc.x86.map
index 8ba5e69..08ef8be 100644
--- a/libc/libc.x86.map
+++ b/libc/libc.x86.map
@@ -1243,58 +1243,58 @@
 
 LIBC_O {
   global:
-    __sendto_chk; # future
-    __system_property_read_callback; # future
-    __system_property_wait; # future
+    __sendto_chk; # introduced=26
+    __system_property_read_callback; # introduced=26
+    __system_property_wait; # introduced=26
     bsd_signal; # arm x86 mips versioned=26
-    catclose; # future
-    catgets; # future
-    catopen; # future
-    ctermid; # future
-    endgrent; # future
-    endpwent; # future
-    futimes; # future
-    futimesat; # future
-    getdomainname; # future
-    getgrent; # future
-    getpwent; # future
-    getsubopt; # future
-    hasmntopt; # future
-    lutimes; # future
-    mblen; # future
-    msgctl; # future
-    msgget; # future
-    msgrcv; # future
-    msgsnd; # future
-    nl_langinfo; # future
-    nl_langinfo_l; # future
-    pthread_getname_np; # future
-    quotactl; # future
-    semctl; # future
-    semget; # future
-    semop; # future
-    semtimedop; # future
-    setdomainname; # future
-    setgrent; # future
-    setpwent; # future
-    shmat; # future
-    shmctl; # future
-    shmdt; # future
-    shmget; # future
-    sighold; # future
-    sigignore; # future
-    sigpause; # future
-    sigrelse; # future
-    sigset; # future
-    strtod_l; # future
-    strtof_l; # future
-    strtol_l; # future
-    strtoul_l; # future
-    sync_file_range; # future
-    towctrans; # future
-    towctrans_l; # future
-    wctrans; # future
-    wctrans_l; # future
+    catclose; # introduced=26
+    catgets; # introduced=26
+    catopen; # introduced=26
+    ctermid; # introduced=26
+    endgrent; # introduced=26
+    endpwent; # introduced=26
+    futimes; # introduced=26
+    futimesat; # introduced=26
+    getdomainname; # introduced=26
+    getgrent; # introduced=26
+    getpwent; # introduced=26
+    getsubopt; # introduced=26
+    hasmntopt; # introduced=26
+    lutimes; # introduced=26
+    mblen; # introduced=26
+    msgctl; # introduced=26
+    msgget; # introduced=26
+    msgrcv; # introduced=26
+    msgsnd; # introduced=26
+    nl_langinfo; # introduced=26
+    nl_langinfo_l; # introduced=26
+    pthread_getname_np; # introduced=26
+    quotactl; # introduced=26
+    semctl; # introduced=26
+    semget; # introduced=26
+    semop; # introduced=26
+    semtimedop; # introduced=26
+    setdomainname; # introduced=26
+    setgrent; # introduced=26
+    setpwent; # introduced=26
+    shmat; # introduced=26
+    shmctl; # introduced=26
+    shmdt; # introduced=26
+    shmget; # introduced=26
+    sighold; # introduced=26
+    sigignore; # introduced=26
+    sigpause; # introduced=26
+    sigrelse; # introduced=26
+    sigset; # introduced=26
+    strtod_l; # introduced=26
+    strtof_l; # introduced=26
+    strtol_l; # introduced=26
+    strtoul_l; # introduced=26
+    sync_file_range; # introduced=26
+    towctrans; # introduced=26
+    towctrans_l; # introduced=26
+    wctrans; # introduced=26
+    wctrans_l; # introduced=26
 } LIBC_N;
 
 LIBC_PRIVATE {
diff --git a/libc/libc.x86_64.map b/libc/libc.x86_64.map
index 34b8b19..9875eda 100644
--- a/libc/libc.x86_64.map
+++ b/libc/libc.x86_64.map
@@ -1184,57 +1184,57 @@
 
 LIBC_O {
   global:
-    __sendto_chk; # future
-    __system_property_read_callback; # future
-    __system_property_wait; # future
-    catclose; # future
-    catgets; # future
-    catopen; # future
-    ctermid; # future
-    endgrent; # future
-    endpwent; # future
-    futimes; # future
-    futimesat; # future
-    getdomainname; # future
-    getgrent; # future
-    getpwent; # future
-    getsubopt; # future
-    hasmntopt; # future
-    lutimes; # future
-    mblen; # future
-    msgctl; # future
-    msgget; # future
-    msgrcv; # future
-    msgsnd; # future
-    nl_langinfo; # future
-    nl_langinfo_l; # future
-    pthread_getname_np; # future
-    quotactl; # future
-    semctl; # future
-    semget; # future
-    semop; # future
-    semtimedop; # future
-    setdomainname; # future
-    setgrent; # future
-    setpwent; # future
-    shmat; # future
-    shmctl; # future
-    shmdt; # future
-    shmget; # future
-    sighold; # future
-    sigignore; # future
-    sigpause; # future
-    sigrelse; # future
-    sigset; # future
-    strtod_l; # future
-    strtof_l; # future
-    strtol_l; # future
-    strtoul_l; # future
-    sync_file_range; # future
-    towctrans; # future
-    towctrans_l; # future
-    wctrans; # future
-    wctrans_l; # future
+    __sendto_chk; # introduced=26
+    __system_property_read_callback; # introduced=26
+    __system_property_wait; # introduced=26
+    catclose; # introduced=26
+    catgets; # introduced=26
+    catopen; # introduced=26
+    ctermid; # introduced=26
+    endgrent; # introduced=26
+    endpwent; # introduced=26
+    futimes; # introduced=26
+    futimesat; # introduced=26
+    getdomainname; # introduced=26
+    getgrent; # introduced=26
+    getpwent; # introduced=26
+    getsubopt; # introduced=26
+    hasmntopt; # introduced=26
+    lutimes; # introduced=26
+    mblen; # introduced=26
+    msgctl; # introduced=26
+    msgget; # introduced=26
+    msgrcv; # introduced=26
+    msgsnd; # introduced=26
+    nl_langinfo; # introduced=26
+    nl_langinfo_l; # introduced=26
+    pthread_getname_np; # introduced=26
+    quotactl; # introduced=26
+    semctl; # introduced=26
+    semget; # introduced=26
+    semop; # introduced=26
+    semtimedop; # introduced=26
+    setdomainname; # introduced=26
+    setgrent; # introduced=26
+    setpwent; # introduced=26
+    shmat; # introduced=26
+    shmctl; # introduced=26
+    shmdt; # introduced=26
+    shmget; # introduced=26
+    sighold; # introduced=26
+    sigignore; # introduced=26
+    sigpause; # introduced=26
+    sigrelse; # introduced=26
+    sigset; # introduced=26
+    strtod_l; # introduced=26
+    strtof_l; # introduced=26
+    strtol_l; # introduced=26
+    strtoul_l; # introduced=26
+    sync_file_range; # introduced=26
+    towctrans; # introduced=26
+    towctrans_l; # introduced=26
+    wctrans; # introduced=26
+    wctrans_l; # introduced=26
 } LIBC_N;
 
 LIBC_PRIVATE {