diff --git a/docs/spec/coverage.md b/docs/spec/coverage.md
index 3f919c2..b7fa36f 100644
--- a/docs/spec/coverage.md
+++ b/docs/spec/coverage.md
@@ -3,14 +3,14 @@
 Generated 2026-06-10 by `tools/spec_coverage.py` — do not edit by hand.
 
 Surface: **694** clojure.core vars (ClojureDocs export; 648 with
-community examples). jolt interns 534 of them.
+community examples). jolt interns 550 of them.
 
 | Status | Count | Meaning |
 |---|---|---|
-| implemented+tested | 380 | in jolt and exercised by spec/conformance |
-| implemented-untested | 154 | in jolt, no direct test — spec entries will add them |
+| implemented+tested | 397 | in jolt and exercised by spec/conformance |
+| implemented-untested | 153 | in jolt, no direct test — spec entries will add them |
 | resolvable-not-interned | 22 | works in code but invisible to ns introspection (conformance finding) |
-| missing-portable | 35 | portable semantics, jolt lacks it — implementation gap |
+| missing-portable | 19 | portable semantics, jolt lacks it — implementation gap |
 | special-form | 13 | specified in §3, not a library var |
 | dynamic-var | 29 | classification needed: portable default vs host-dependent |
 | agents-taps | 22 | out of scope pending concurrency design note |
@@ -103,7 +103,7 @@ UNVERIFIED field; that column will be added as entries land.
 | `agent-errors` | agents-taps |  |
 | `aget` | implemented+tested | ✓ |
 | `alength` | implemented+tested | ✓ |
-| `alias` | missing-portable | ✓ |
+| `alias` | implemented+tested | ✓ |
 | `all-ns` | implemented-untested | ✓ |
 | `alter` | stm-refs | ✓ |
 | `alter-meta!` | implemented+tested | ✓ |
@@ -390,7 +390,7 @@ UNVERIFIED field; that column will be added as entries land.
 | `long-array` | implemented-untested | ✓ |
 | `longs` | implemented-untested | ✓ |
 | `loop` | implemented+tested | ✓ |
-| `macroexpand` | missing-portable | ✓ |
+| `macroexpand` | implemented+tested | ✓ |
 | `macroexpand-1` | implemented+tested | ✓ |
 | `make-array` | implemented-untested | ✓ |
 | `make-hierarchy` | implemented+tested | ✓ |
@@ -423,7 +423,7 @@ UNVERIFIED field; that column will be added as entries land.
 | `neg-int?` | implemented+tested | ✓ |
 | `neg?` | implemented+tested | ✓ |
 | `new` | special-form | ✓ |
-| `newline` | missing-portable | ✓ |
+| `newline` | implemented+tested | ✓ |
 | `next` | implemented+tested | ✓ |
 | `nfirst` | implemented-untested | ✓ |
 | `nil?` | implemented+tested | ✓ |
@@ -434,15 +434,15 @@ UNVERIFIED field; that column will be added as entries land.
 | `not-every?` | implemented+tested | ✓ |
 | `not=` | implemented+tested | ✓ |
 | `ns` | implemented+tested | ✓ |
-| `ns-aliases` | implemented-untested | ✓ |
+| `ns-aliases` | implemented+tested | ✓ |
 | `ns-imports` | implemented-untested | ✓ |
 | `ns-interns` | implemented-untested | ✓ |
 | `ns-map` | implemented-untested | ✓ |
 | `ns-name` | implemented+tested | ✓ |
-| `ns-publics` | missing-portable | ✓ |
+| `ns-publics` | implemented+tested | ✓ |
 | `ns-refers` | missing-portable | ✓ |
 | `ns-resolve` | implemented+tested | ✓ |
-| `ns-unalias` | missing-portable | ✓ |
+| `ns-unalias` | implemented+tested | ✓ |
 | `ns-unmap` | implemented-untested | ✓ |
 | `nth` | implemented+tested | ✓ |
 | `nthnext` | implemented+tested | ✓ |
@@ -454,16 +454,16 @@ UNVERIFIED field; that column will be added as entries land.
 | `odd?` | implemented+tested | ✓ |
 | `or` | implemented+tested | ✓ |
 | `parents` | implemented+tested | ✓ |
-| `parse-boolean` | missing-portable | ✓ |
-| `parse-double` | missing-portable | ✓ |
-| `parse-long` | missing-portable | ✓ |
+| `parse-boolean` | implemented+tested | ✓ |
+| `parse-double` | implemented+tested | ✓ |
+| `parse-long` | implemented+tested | ✓ |
 | `parse-uuid` | implemented+tested | ✓ |
 | `partial` | implemented+tested | ✓ |
 | `partition` | implemented+tested | ✓ |
 | `partition-all` | implemented+tested | ✓ |
 | `partition-by` | implemented+tested | ✓ |
-| `partitionv` | missing-portable |  |
-| `partitionv-all` | missing-portable |  |
+| `partitionv` | implemented+tested |  |
+| `partitionv-all` | implemented+tested |  |
 | `pcalls` | jvm-specific | ✓ |
 | `peek` | implemented+tested | ✓ |
 | `persistent!` | implemented+tested | ✓ |
@@ -611,7 +611,7 @@ UNVERIFIED field; that column will be added as entries land.
 | `spit` | implemented-untested | ✓ |
 | `split-at` | implemented+tested | ✓ |
 | `split-with` | implemented+tested | ✓ |
-| `splitv-at` | missing-portable |  |
+| `splitv-at` | implemented+tested |  |
 | `str` | implemented+tested | ✓ |
 | `stream-into!` | jvm-specific |  |
 | `stream-reduce!` | jvm-specific |  |
@@ -640,7 +640,7 @@ UNVERIFIED field; that column will be added as entries land.
 | `the-ns` | implemented+tested | ✓ |
 | `thread-bound?` | missing-portable | ✓ |
 | `throw` | special-form | ✓ |
-| `time` | missing-portable | ✓ |
+| `time` | implemented+tested | ✓ |
 | `to-array` | implemented-untested | ✓ |
 | `to-array-2d` | implemented+tested | ✓ |
 | `trampoline` | implemented+tested | ✓ |
@@ -678,9 +678,9 @@ UNVERIFIED field; that column will be added as entries land.
 | `unsigned-bit-shift-right` | implemented-untested | ✓ |
 | `update` | implemented+tested | ✓ |
 | `update-in` | implemented+tested | ✓ |
-| `update-keys` | missing-portable | ✓ |
+| `update-keys` | implemented+tested | ✓ |
 | `update-proxy` | implemented-untested | ✓ |
-| `update-vals` | missing-portable | ✓ |
+| `update-vals` | implemented+tested | ✓ |
 | `uri?` | implemented-untested | ✓ |
 | `use` | implemented+tested | ✓ |
 | `uuid?` | implemented+tested | ✓ |
@@ -714,8 +714,8 @@ UNVERIFIED field; that column will be added as entries land.
 | `with-open` | missing-portable | ✓ |
 | `with-out-str` | implemented+tested | ✓ |
 | `with-precision` | missing-portable | ✓ |
-| `with-redefs` | missing-portable | ✓ |
-| `with-redefs-fn` | missing-portable | ✓ |
+| `with-redefs` | implemented+tested | ✓ |
+| `with-redefs-fn` | implemented+tested | ✓ |
 | `xml-seq` | implemented-untested | ✓ |
 | `zero?` | implemented+tested | ✓ |
 | `zipmap` | implemented+tested | ✓ |
diff --git a/jolt-core/clojure/core/20-coll.clj b/jolt-core/clojure/core/20-coll.clj
index 88698ab..4b69d10 100644
--- a/jolt-core/clojure/core/20-coll.clj
+++ b/jolt-core/clojure/core/20-coll.clj
@@ -287,6 +287,46 @@
 (defn tagged-literal? [x]     (= (get x :jolt/type) :jolt/tagged-literal))
 (defn record? [x]             (some? (get x :jolt/deftype)))
 (defn uuid? [x]               (= (get x :jolt/type) :jolt/uuid))
+
+;; Clojure 1.11 map transformers. PHM base so transformed keys canonicalize
+;; (collisions: last entry in seq order wins, matching the reference).
+(defn update-keys [m f]
+  (reduce-kv (fn [acc k v] (assoc acc (f k) v)) (hash-map) m))
+
+(defn update-vals [m f]
+  (reduce-kv (fn [acc k v] (assoc acc k (f v))) (hash-map) m))
+
+;; Vector-returning partition variants (1.11): lazy seqs OF vectors.
+(defn partitionv
+  ([n coll] (map vec (partition n coll)))
+  ([n step coll] (map vec (partition n step coll)))
+  ([n step pad coll] (map vec (partition n step pad coll))))
+
+(defn partitionv-all
+  ([n coll] (map vec (partition-all n coll)))
+  ([n step coll] (map vec (partition-all n step coll))))
+
+;; First part a vector, rest a seq — matching the reference implementation.
+(defn splitv-at [n coll]
+  [(vec (take n coll)) (drop n coll)])
+
+;; with-redefs-fn: temporarily set each var's root to the mapped value, run
+;; the thunk, restore the saved roots even on throw. The with-redefs macro
+;; (30-macros) builds the {var val} map from names.
+(defn with-redefs-fn [binding-map func]
+  (let [vars (vec (keys binding-map))
+        saved (mapv var-get vars)]
+    (doseq [v vars] (var-set v (get binding-map v)))
+    (try
+      (func)
+      (finally
+        ;; loop/recur, not dotimes: dotimes is a 30-macros macro and this tier
+        ;; compiles before it exists (a forward ref would resolve to the macro
+        ;; fn at runtime and mis-apply it).
+        (loop [i 0]
+          (when (< i (count vars))
+            (var-set (nth vars i) (nth saved i))
+            (recur (inc i))))))))
 ;; Jolt has no chunked seqs (Phase 5 territory), so this is always false.
 (defn chunked-seq? [x] false)
 
diff --git a/jolt-core/clojure/core/30-macros.clj b/jolt-core/clojure/core/30-macros.clj
index 4c8d3f9..01029a1 100644
--- a/jolt-core/clojure/core/30-macros.clj
+++ b/jolt-core/clojure/core/30-macros.clj
@@ -57,6 +57,22 @@
 
 ;; defonce: define name only if it isn't already bound to a non-nil root;
 ;; returns the existing var untouched otherwise (matching the prior arm).
+;; time: evaluate expr, print the elapsed wall-clock, return the value.
+;; current-time-ms is the host's monotonic clock.
+(defmacro time [expr]
+  `(let [start# (current-time-ms)
+         ret# ~expr]
+     (println (str "Elapsed time: " (- (current-time-ms) start#) " msecs"))
+     ret#))
+
+;; with-redefs: temporary root rebinding, restored on exit (incl. throw).
+;; Builds (hash-map (var n1) v1 ...) — a call form, since map-literal forms
+;; can't carry call forms as keys.
+(defmacro with-redefs [bindings & body]
+  (let [pairs (reduce (fn [acc p] (conj (conj acc `(var ~(first p))) (second p)))
+                      [] (partition 2 bindings))]
+    `(with-redefs-fn (hash-map ~@pairs) (fn [] ~@body))))
+
 (defmacro defonce [name expr]
   `(let [v# (resolve (quote ~name))]
      (if (and v# (some? (var-get v#)))
diff --git a/src/jolt/backend.janet b/src/jolt/backend.janet
index 071c4a4..f9372cb 100644
--- a/src/jolt/backend.janet
+++ b/src/jolt/backend.janet
@@ -351,15 +351,24 @@
   # jolt.analyzer), and the interpreter rebinds current-ns to a fn's defining ns
   # while it runs — so h/current-ns must read this instead of ctx-current-ns.
   (put (ctx :env) :compile-ns (ctx-current-ns ctx))
+  (def saved-ns (ctx-current-ns ctx))
   (def av (ns-find (ctx-find-ns ctx "jolt.analyzer") "analyze"))
   # Pre-kernel bootstrap: ensure-analyzer is gated until the kernel tier loads
   # (see api/load-core-overlay!), so a compile request from an earlier tier (e.g.
   # 00-syntax's destructure defn) finds no analyzer. That fallback is DESIGNED —
   # route it through the sanctioned punt channel rather than crashing on a nil var.
-  (unless av (error "jolt/uncompilable: analyzer not built (pre-kernel bootstrap)"))
-  (def r ((var-get av) ctx form))
+  (unless av
+    (put (ctx :env) :compile-ns nil)
+    (error "jolt/uncompilable: analyzer not built (pre-kernel bootstrap)"))
+  # The analyzer runs INTERPRETED; the interpreter rebinds current-ns to a fn's
+  # defining ns (jolt.analyzer) while it runs and only restores on normal return.
+  # A punt THROWS out of those frames, leaking jolt.analyzer as current-ns (and
+  # :compile-ns stayed set) — the fallback interpretation then resolves user vars
+  # against the wrong ns. Restore both on every exit.
+  (def r (protect ((var-get av) ctx form)))
   (put (ctx :env) :compile-ns nil)
-  r)
+  (ctx-set-current-ns ctx saved-ns)
+  (if (r 0) (r 1) (error (r 1))))
 
 # The analyzer's deliberate punt signal — (uncompilable why) throws the string
 # "jolt/uncompilable: <why>". Anything else escaping the compile step is an
diff --git a/src/jolt/core.janet b/src/jolt/core.janet
index b03696a..c66075c 100644
--- a/src/jolt/core.janet
+++ b/src/jolt/core.janet
@@ -1409,12 +1409,15 @@
 # (core/20-coll.clj).
 
 (defn core-partition
-  "(partition n coll) or (partition n step coll). Only complete partitions of
-  size n are kept (use partition-all to keep the trailing remainder)."
+  "(partition n coll), (partition n step coll), or (partition n step pad coll).
+  Only complete partitions of size n are kept; with pad, the final partial
+  partition is padded from pad (possibly to fewer than n if pad runs out)."
   [n & rest]
-  (let [has-step (> (length rest) 1)
-        step (if has-step (first rest) n)
-        coll (if has-step (in rest 1) (first rest))]
+  (let [argc (length rest)
+        step (if (>= argc 2) (first rest) n)
+        pad  (if (>= argc 3) (in rest 1) nil)
+        has-pad (>= argc 3)
+        coll (case argc 1 (first rest) 2 (in rest 1) 3 (in rest 2))]
     # Option A: always lazy.
     (defn pstep [c]
       (fn []
@@ -1425,9 +1428,16 @@
               (array/push part (core-first cur))
               (set cur (core-rest cur))
               (++ i))
-            (if (= i n)
+            (cond
+              (= i n)
               (let [next-cur (if (= step n) cur (lazy-from (core-drop (- step n) cur)))]
                 @[(tuple/slice (tuple ;part)) (pstep next-cur)])
+              # partial final partition: pad it (last partition, then stop)
+              (and has-pad (> i 0))
+              (do
+                (each x (realize-for-iteration pad)
+                  (when (< (length part) n) (array/push part x)))
+                @[(tuple/slice (tuple ;part)) (fn [] nil)])
               nil)))))
     (make-lazy-seq (pstep (lazy-from coll)))))
 
@@ -1775,6 +1785,44 @@
   (prin "\n")
   nil)
 
+(defn core-newline [] (prin "\n") nil)
+
+# Clojure 1.11 string->scalar parsers: nil on malformed input, throw on a
+# non-string. Validation is strict (scan-number alone accepts 0x10 etc.).
+(defn- parse-arg-str [s who]
+  (if (or (string? s) (buffer? s)) (string s)
+    (error (string who " requires a string, got " (type s)))))
+
+(defn core-parse-long [s]
+  (def str* (parse-arg-str s "parse-long"))
+  (def n (length str*))
+  (def start (if (and (> n 0) (or (= 43 (in str* 0)) (= 45 (in str* 0)))) 1 0))
+  (if (and (> n start)
+           (do (var ok true)
+               (for i start n (when (or (< (in str* i) 48) (> (in str* i) 57)) (set ok false)))
+               ok))
+    (scan-number str*)
+    nil))
+
+(defn core-parse-double [s]
+  (def str* (parse-arg-str s "parse-double"))
+  # strict float shape: [+-] digits [. digits] [eE [+-] digits] — at least one
+  # digit overall; "Infinity"/"-Infinity"/"NaN" accepted like the reference.
+  (cond
+    (= str* "Infinity") math/inf
+    (= str* "-Infinity") (- math/inf)
+    (= str* "NaN") math/nan
+    (do
+      (def pat (peg/compile ~(sequence (opt (set "+-")) (choice (sequence (some :d) (opt (sequence "." (any :d)))) (sequence "." (some :d))) (opt (sequence (set "eE") (opt (set "+-")) (some :d))) -1)))
+      (if (peg/match pat str*) (scan-number str*) nil))))
+
+(defn core-parse-boolean [s]
+  (def str* (parse-arg-str s "parse-boolean"))
+  (case str* "true" true "false" false nil))
+
+# Host time source for the `time` macro (monotonic, milliseconds).
+(defn core-current-time-ms [] (* 1000 (os/clock :monotonic)))
+
 # Capture *out*: run thunk with Janet's :out dynamic bound to a buffer, so all
 # print/println/pr/prn output (which go through `prin` -> (dyn :out)) is collected
 # and returned as a string. The with-out-str macro (overlay) wraps a body thunk.
@@ -2942,6 +2990,11 @@
     "hash-unordered-coll" core-hash-unordered-coll
     "prefers" core-prefers
     "random-uuid" core-random-uuid
+    "parse-long" core-parse-long
+    "parse-double" core-parse-double
+    "parse-boolean" core-parse-boolean
+    "newline" core-newline
+    "current-time-ms" core-current-time-ms
     "parse-uuid" core-parse-uuid
     "interpose" core-interpose
     "mapcat" core-mapcat
diff --git a/src/jolt/evaluator.janet b/src/jolt/evaluator.janet
index 147c8b9..c9f98e0 100644
--- a/src/jolt/evaluator.janet
+++ b/src/jolt/evaluator.janet
@@ -784,13 +784,14 @@
 (defn require-impl
   "(require '[ns :as a :refer [...]] ...) — load + alias/refer each spec. A fn, so
   the args (quoted specs) arrive evaluated. Varargs (Clojure-compatible); each spec
-  is a vector. eval-require does the namespace load + alias/refer into current-ns."
+  is a vector [ns & opts] or a bare ns symbol (treated as [ns])."
   [ctx & specs]
   (each spec specs
     (let [s (if (pvec? spec) (pv->array spec) spec)]
-      (if (and (indexed? s) (> (length s) 0))
-        (eval-require ctx s)
-        (error "require expects a vector spec"))))
+      (cond
+        (and (indexed? s) (> (length s) 0)) (eval-require ctx s)
+        (and (struct? s) (= :symbol (s :jolt/type))) (eval-require ctx @[s])
+        (error "require expects a vector spec or a namespace symbol"))))
   nil)
 
 (defn in-ns-impl
@@ -1102,15 +1103,47 @@
   # Reader / expansion as plain fns: read-string parses one form; macroexpand-1
   # expands a (quoted, already-evaluated) call form once via its macro var.
   (ns-intern core "read-string" (fn [s] (parse-string s)))
-  (ns-intern core "macroexpand-1"
+  (def expand-1 (fn [the-form]
+    (if (and (array? the-form) (> (length the-form) 0)
+             (struct? (first the-form)) (= :symbol ((first the-form) :jolt/type)))
+      (let [v (resolve-var ctx @{} (first the-form))]
+        (if (and v (var-macro? v))
+          (apply (var-get v) (tuple/slice the-form 1))
+          the-form))
+      the-form)))
+  (ns-intern core "macroexpand-1" expand-1)
+  # macroexpand: expand repeatedly until the head is no longer a macro (the
+  # form's SUBFORMS are not expanded, matching Clojure).
+  (ns-intern core "macroexpand"
     (fn [the-form]
-      (if (and (array? the-form) (> (length the-form) 0)
-               (struct? (first the-form)) (= :symbol ((first the-form) :jolt/type)))
-        (let [v (resolve-var ctx @{} (first the-form))]
-          (if (and v (var-macro? v))
-            (apply (var-get v) (tuple/slice the-form 1))
-            the-form))
-        the-form)))
+      (var cur the-form)
+      (var nxt (expand-1 cur))
+      (while (not= cur nxt) (set cur nxt) (set nxt (expand-1 cur)))
+      cur))
+  # alias/ns-unalias: alias bookkeeping is currently split (require :as writes
+  # the string-keyed :imports table that resolution reads; :aliases is the
+  # introspection table ns-aliases reads) — write/remove BOTH until unified.
+  (ns-intern core "alias"
+    (fn [alias-sym ns-sym]
+      (def cur (ctx-find-ns ctx (ctx-current-ns ctx)))
+      (ns-import cur (alias-sym :name) (ns-sym :name))
+      (ns-add-alias cur alias-sym (ctx-find-ns ctx (ns-sym :name)))
+      nil))
+  (ns-intern core "ns-unalias"
+    (fn [ns-d alias-sym]
+      (def ns (ns-or-current ns-d))
+      (put (ns :imports) (alias-sym :name) nil)
+      (put (ns :aliases) alias-sym nil)
+      nil))
+  # ns-publics: {symbol -> var} (jolt has no private vars, so publics = interns).
+  # Keys are symbol structs (value-hashed), matching Clojure's symbol keys.
+  (ns-intern core "ns-publics"
+    (fn [&opt ns-d]
+      (def ns (ns-or-current ns-d))
+      (var m (make-phm))
+      (loop [[nm v] :pairs (ns :mappings)]
+        (set m (phm-assoc m {:jolt/type :symbol :ns nil :name nm} v)))
+      m))
   core)
 
 # Dispatch a special form by its string name.
diff --git a/test/integration/clojure-test-suite-test.janet b/test/integration/clojure-test-suite-test.janet
index 5891f1f..3ab4e20 100644
--- a/test/integration/clojure-test-suite-test.janet
+++ b/test/integration/clojure-test-suite-test.janet
@@ -43,9 +43,9 @@
 # Raised 4004 -> 4034 / clean 66 -> 67 porting partition-all + repeatedly to the
 # overlay, which required fixing two leniencies (a char is not callable; take
 # validates its count) — correct beyond those fns, so the suite rose broadly.
-(def baseline-pass 4081)
+(def baseline-pass 4324)
 # A file is "clean" when it ran with zero failures AND zero errors.
-(def baseline-clean-files 72)
+(def baseline-clean-files 78)
 # Per-file wall-clock budget (seconds). Normal files finish in well under 1s, so
 # this normally only fires on genuinely-infinite-sequence hangs. It's an env var
 # (JOLT_SUITE_TIMEOUT) so CI — whose runners are slower than a dev machine — can
diff --git a/test/integration/conformance-test.janet b/test/integration/conformance-test.janet
index c573795..be3b345 100644
--- a/test/integration/conformance-test.janet
+++ b/test/integration/conformance-test.janet
@@ -177,6 +177,22 @@
    ["parse-uuid case ="   "true"  "(= (parse-uuid \"b6883c0a-0342-4007-9966-bc2dfa6b109e\") (parse-uuid \"B6883C0A-0342-4007-9966-BC2DFA6B109E\"))"]
    ["parse-uuid bad nil"  "nil"   "(parse-uuid \"df0993\")"]
    ["uuid as map key"     ":v"    "(get {(parse-uuid \"b6883c0a-0342-4007-9966-bc2dfa6b109e\") :v} (parse-uuid \"b6883c0a-0342-4007-9966-bc2dfa6b109e\"))"]
+
+   ### ---- 1.11 additions + ns fns (spec 35-var batch A) ----
+   ["parse-long"         "42"    "(parse-long \"42\")"]
+   ["parse-long bad"     "nil"   "(parse-long \"4.2\")"]
+   ["parse-double"       "1500.0" "(parse-double \"1.5e3\")"]
+   ["parse-boolean"      "true"  "(parse-boolean \"true\")"]
+   ["update-keys"        "{\"a\" 1}" "(update-keys {:a 1} name)"]
+   ["update-vals"        "{:a 2}" "(update-vals {:a 1} inc)"]
+   ["partitionv pad"     "[[1 2] [3 :p]]" "(partitionv 2 2 [:p] [1 2 3])"]
+   ["partition pad"      "[[0 1 2 3] [4 5 6 7] [8 9 :a]]" "(partition 4 4 [:a] (range 10))"]
+   ["splitv-at"          "[[1 2] [3 4]]" "(splitv-at 2 [1 2 3 4])"]
+   ["with-redefs"        "[42 1]" "(do (defn cwr [] 1) [(with-redefs [cwr (fn [] 42)] (cwr)) (cwr)])"]
+   ["time returns value" "3"     "(time (+ 1 2))"]
+   ["macroexpand"        "true"  "(= (quote if) (first (macroexpand (quote (when-not false 1)))))"]
+   ["require bare symbol" "\"a,b\"" "(do (require (quote clojure.string)) (clojure.string/join \",\" [\"a\" \"b\"]))"]
+   ["ns-publics lookup"  "true"  "(do (def cnp 7) (some? (get (ns-publics (quote user)) (quote cnp))))"]
    ["macroexpand-1 when" "2"     "(count (rest (macroexpand-1 (quote (when true 1)))))"]
 
    ### ---- HIGH: aliased namespace calls ----
diff --git a/test/spec/macros-spec.janet b/test/spec/macros-spec.janet
index e21f5c0..e8d9c60 100644
--- a/test/spec/macros-spec.janet
+++ b/test/spec/macros-spec.janet
@@ -72,3 +72,16 @@
   ["binding rebinds"     "99"     "(do (def ^:dynamic *bx* 10) (binding [*bx* 99] *bx*))"]
   ["binding restores"    "10"     "(do (def ^:dynamic *by* 10) (binding [*by* 99] *by*) *by*)"]
   ["binding seen by fn"  "7"      "(do (def ^:dynamic *bz* 0) (defn rdz [] *bz*) (binding [*bz* 7] (rdz)))"])
+
+# time returns the body value (the timing line goes to *out*); with-redefs
+# temporarily rebinds var roots and restores on exit (even on throw);
+# macroexpand expands repeatedly until the head is no longer a macro.
+(defspec "macros / time, with-redefs, macroexpand"
+  ["time returns value"  "3"      "(time (+ 1 2))"]
+  ["with-redefs rebinds" "42"     "(do (defn wr-f [] 1) (with-redefs [wr-f (fn [] 42)] (wr-f)))"]
+  ["with-redefs restores" "1"     "(do (defn wr-g [] 1) (with-redefs [wr-g (fn [] 42)]) (wr-g))"]
+  ["with-redefs restores on throw" "1"
+   "(do (defn wr-h [] 1) (try (with-redefs [wr-h (fn [] 42)] (throw (ex-info \"x\" {}))) (catch :default e nil)) (wr-h))"]
+  ["with-redefs-fn"      "42"     "(do (defn wr-i [] 1) (with-redefs-fn {(var wr-i) (fn [] 42)} (fn [] (wr-i))))"]
+  ["macroexpand full"    "true"   "(let [e (macroexpand (quote (when-not false 1)))] (= (quote if) (first e)))"]
+  ["macroexpand non-macro" "[1 2]" "(macroexpand (quote [1 2]))"])
diff --git a/test/spec/maps-spec.janet b/test/spec/maps-spec.janet
index afc9fd7..4b39baa 100644
--- a/test/spec/maps-spec.janet
+++ b/test/spec/maps-spec.janet
@@ -144,3 +144,14 @@
   ["dissoc keeps nil"      "true"   "(contains? (dissoc {:a nil :b 1} :b) :a)"]
   ["reduce-kv sees nil"    "true"   "(= #{:a :b} (reduce-kv (fn [acc k v] (conj acc k)) #{} {:a nil :b 2}))"]
   ["nil-free stays fast"   "true"   "(= {:a 1 :b 2} {:b 2 :a 1})"])
+
+# Clojure 1.11 map transformers.
+(defspec "map / update-keys & update-vals (1.11)"
+  ["update-keys"        "{\"a\" 1, \"b\" 2}" "(update-keys {:a 1 :b 2} name)"]
+  ["update-keys empty"  "{}"      "(update-keys {} inc)"]
+  ["update-keys nil"    "{}"      "(update-keys nil str)"]
+  ["update-keys collide last wins" "1" "(count (update-keys {:a 1 :b 2} (fn [_] :k)))"]
+  ["update-vals"        "{:a 2, :b 3}" "(update-vals {:a 1 :b 2} inc)"]
+  ["update-vals empty"  "{}"      "(update-vals {} inc)"]
+  ["update-vals nil"    "{}"      "(update-vals nil inc)"]
+  ["update-vals keeps keys" "[:a :b]" "(sort (keys (update-vals {:a 1 :b 2} inc)))"])
diff --git a/test/spec/namespaces-spec.janet b/test/spec/namespaces-spec.janet
index f69ebc9..adf8437 100644
--- a/test/spec/namespaces-spec.janet
+++ b/test/spec/namespaces-spec.janet
@@ -35,3 +35,10 @@
   ["require clojure.walk" "{:a 2}" "(do (require '[clojure.walk :as w]) (w/postwalk (fn [x] (if (number? x) (inc x) x)) {:a 1}))"]
   ["walk keywordize-keys" "{:a 1}" "(do (require '[clojure.walk :as w]) (w/keywordize-keys {\"a\" 1}))"]
   ["walk stringify-keys" "true"    "(do (require '[clojure.walk :as w]) (= {\"a\" 1} (w/stringify-keys {:a 1})))"])
+
+(defspec "namespaces / alias, ns-unalias, ns-publics"
+  ["alias + use"        "\"1,2\"" "(do (require (quote clojure.string)) (alias (quote st) (quote clojure.string)) (st/join \",\" [1 2]))"]
+  ["ns-unalias removes" "true"
+   "(do (require (quote clojure.string)) (alias (quote st2) (quote clojure.string)) (ns-unalias (quote user) (quote st2)) (nil? (get (ns-aliases (quote user)) (quote st2))))"]
+  ["ns-publics has var" "true"  "(do (def npv 1) (some? (get (ns-publics (quote user)) (quote npv))))"]
+  ["newline returns nil" "nil"  "(newline)"])
diff --git a/test/spec/numbers-spec.janet b/test/spec/numbers-spec.janet
index 9ed49a7..016c0a2 100644
--- a/test/spec/numbers-spec.janet
+++ b/test/spec/numbers-spec.janet
@@ -134,3 +134,26 @@
   ["rand n in [0,n)"    "true" "(let [r (rand 10)] (and (>= r 0) (< r 10)))"]
   ["rand-nth member"    "true" "(contains? #{:a :b :c} (rand-nth [:a :b :c]))"]
   ["rand-nth single"    ":x"   "(rand-nth [:x])"])
+
+# Clojure 1.11 string->scalar parsers: nil on malformed, throw on non-string.
+(defspec "numbers / parse fns (1.11)"
+  ["parse-long"          "42"     "(parse-long \"42\")"]
+  ["parse-long negative" "-7"     "(parse-long \"-7\")"]
+  ["parse-long plus"     "7"      "(parse-long \"+7\")"]
+  ["parse-long float nil" "nil"   "(parse-long \"1.5\")"]
+  ["parse-long hex nil"  "nil"    "(parse-long \"0x10\")"]
+  ["parse-long empty nil" "nil"   "(parse-long \"\")"]
+  ["parse-long junk nil" "nil"    "(parse-long \"12ab\")"]
+  ["parse-long throws"   :throws  "(parse-long 42)"]
+  ["parse-double"        "1.5"    "(parse-double \"1.5\")"]
+  ["parse-double int"    "4.0"    "(parse-double \"4\")"]
+  ["parse-double sci"    "1500.0" "(parse-double \"1.5e3\")"]
+  ["parse-double neg"    "-0.5"   "(parse-double \"-0.5\")"]
+  ["parse-double junk"   "nil"    "(parse-double \"abc\")"]
+  ["parse-double trail"  "nil"    "(parse-double \"1.5x\")"]
+  ["parse-double throws" :throws  "(parse-double :k)"]
+  ["parse-boolean true"  "true"   "(parse-boolean \"true\")"]
+  ["parse-boolean false" "false"  "(parse-boolean \"false\")"]
+  ["parse-boolean case"  "nil"    "(parse-boolean \"True\")"]
+  ["parse-boolean junk"  "nil"    "(parse-boolean \"yes\")"]
+  ["parse-boolean throws" :throws "(parse-boolean true)"])
diff --git a/test/spec/sequences-spec.janet b/test/spec/sequences-spec.janet
index c016906..4d136fa 100644
--- a/test/spec/sequences-spec.janet
+++ b/test/spec/sequences-spec.janet
@@ -261,3 +261,15 @@
   ["dedupe consecutive"        "[1 2 3 1]" "(dedupe [1 1 2 2 3 1 1])"]
   ["dedupe empty"              "[]"     "(dedupe [])"]
   ["dedupe no dups"            "[1 2 3]" "(dedupe [1 2 3])"])
+
+# Clojure 1.11 vector-returning partition/split variants.
+(defspec "seq / partitionv & splitv-at (1.11)"
+  ["partitionv"         "[[1 2] [3 4]]"  "(partitionv 2 [1 2 3 4 5])"]
+  ["partitionv elems are vectors" "true" "(every? vector? (partitionv 2 [1 2 3 4]))"]
+  ["partitionv step"    "[[1 2] [3 4]]"  "(partitionv 2 2 [1 2 3 4 5])"]
+  ["partitionv pad"     "[[1 2] [3 :p]]" "(partitionv 2 2 [:p] [1 2 3])"]
+  ["partitionv-all"     "[[1 2] [3]]"    "(partitionv-all 2 [1 2 3])"]
+  ["partitionv-all vectors" "true"       "(every? vector? (partitionv-all 2 [1 2 3]))"]
+  ["splitv-at"          "[[1 2] [3 4]]"  "(splitv-at 2 [1 2 3 4])"]
+  ["splitv-at first is vector" "true"    "(vector? (first (splitv-at 2 [1 2 3])))"]
+  ["splitv-at past end" "[[1 2] []]"     "(splitv-at 5 [1 2])"])