diff --git a/Make.inc b/Make.inc
index 51186cfefe8eb..5d58454c80333 100644
--- a/Make.inc
+++ b/Make.inc
@@ -1392,7 +1392,7 @@ endif
 ifeq ($(OS), WINNT)
 HAVE_SSP := 1
 OSLIBS += -Wl,--export-all-symbols -Wl,--version-script=$(BUILDROOT)/src/julia.expmap \
-	$(NO_WHOLE_ARCHIVE) -lpsapi -lkernel32 -lws2_32 -liphlpapi -lwinmm -ldbghelp -luserenv -lsecur32 -latomic
+	$(NO_WHOLE_ARCHIVE) -lpsapi -lkernel32 -lws2_32 -liphlpapi -lwinmm -ldbghelp -luserenv -lsecur32 -latomic -lole32
 JLDFLAGS += -Wl,--stack,8388608
 ifeq ($(ARCH),i686)
 JLDFLAGS += -Wl,--large-address-aware
diff --git a/NEWS.md b/NEWS.md
index ca4fb51b37fa0..d71e14dff6fe1 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -54,6 +54,7 @@ Compiler/Runtime improvements
 * A new `LazyLibrary` type is exported from `Libdl` for use in building chained lazy library
   loads, primarily to be used within JLLs ([#50074]).
 * Added support for annotating `Base.@assume_effects` on code blocks ([#52400]).
+* The libuv library has been updated from a base of v1.44.2 to v1.48.0 ([#49937]).
 
 Command-line option changes
 ---------------------------
diff --git a/base/cmd.jl b/base/cmd.jl
index 0e4ec119109f1..202527abdf644 100644
--- a/base/cmd.jl
+++ b/base/cmd.jl
@@ -3,9 +3,10 @@
 abstract type AbstractCmd end
 
 # libuv process option flags
-const UV_PROCESS_WINDOWS_VERBATIM_ARGUMENTS = UInt8(1 << 2)
-const UV_PROCESS_DETACHED = UInt8(1 << 3)
-const UV_PROCESS_WINDOWS_HIDE = UInt8(1 << 4)
+const UV_PROCESS_WINDOWS_VERBATIM_ARGUMENTS = UInt32(1 << 2)
+const UV_PROCESS_DETACHED = UInt32(1 << 3)
+const UV_PROCESS_WINDOWS_HIDE = UInt32(1 << 4)
+const UV_PROCESS_WINDOWS_DISABLE_EXACT_NAME = UInt32(1 << 7)
 
 struct Cmd <: AbstractCmd
     exec::Vector{String}
diff --git a/base/process.jl b/base/process.jl
index 24e676138bfae..fbc4acfd83e80 100644
--- a/base/process.jl
+++ b/base/process.jl
@@ -114,6 +114,7 @@ end
         handle = Libc.malloc(_sizeof_uv_process)
         disassociate_julia_struct(handle)
         (; exec, flags, env, dir) = cmd
+        flags ⊻= UV_PROCESS_WINDOWS_DISABLE_EXACT_NAME # libuv inverts the default for this, so flip this bit now
         iolock_begin()
         err = ccall(:jl_spawn, Int32,
                   (Cstring, Ptr{Cstring}, Ptr{Cvoid}, Ptr{Cvoid},
diff --git a/deps/checksums/libuv b/deps/checksums/libuv
index 6ad61210bc0cc..7ac93952b8b34 100644
--- a/deps/checksums/libuv
+++ b/deps/checksums/libuv
@@ -1,34 +1,34 @@
-LibUV.v2.0.1+14.aarch64-apple-darwin.tar.gz/md5/1a58ce9dc88984c3b5f7df97af6cbf83
-LibUV.v2.0.1+14.aarch64-apple-darwin.tar.gz/sha512/2bfd482ac759ac88d885371854affa8e358a10fea6c7756e0d1b366bc82ecbea56bdf24ca634525fb2a6fc2b3a5c77b07a4c6dec2923d8bffe2bc962bd3e7f84
-LibUV.v2.0.1+14.aarch64-linux-gnu.tar.gz/md5/7f270dd1e3046c8db432e350dd5cf114
-LibUV.v2.0.1+14.aarch64-linux-gnu.tar.gz/sha512/c0debcf17b54ba9f1588d4b267d610751f739d8ff96936c9d5fb6d8742039f8736c63fa70037322705569e221d73fb83c03b6ba9fb4454442fffd3a9f1a1a2da
-LibUV.v2.0.1+14.aarch64-linux-musl.tar.gz/md5/07f56c32d5a2c12e6c351cf9f705631c
-LibUV.v2.0.1+14.aarch64-linux-musl.tar.gz/sha512/8037d7aa0cb06850f055fd19cebdcfcf3146dde0d12768a9669bf05dcab91fdf3708798203258cb3f452158bdec7faae41e6afbb0e60b21403e683db3e23a1c9
-LibUV.v2.0.1+14.armv6l-linux-gnueabihf.tar.gz/md5/5558a7f68c7c375f40bc64da59fef0ad
-LibUV.v2.0.1+14.armv6l-linux-gnueabihf.tar.gz/sha512/92ed6601cb5aa9a3ea2478a1485849543c9e847c8e85542e72f372a2d37c4c8b90f5ecb1bee1e462db31e1e8dba460f584b3cca9c833989c2b9ee404e355654e
-LibUV.v2.0.1+14.armv6l-linux-musleabihf.tar.gz/md5/de6bfb7f0c0468b79e8895f166fb6340
-LibUV.v2.0.1+14.armv6l-linux-musleabihf.tar.gz/sha512/7948d007171bf57b827b489f3627ac74df447f4d696e8226e54e95ef0c8eed5a5ddbf758fbad841bc367f78cd61e6a5899eb478003dca3a79cb494b38cab830b
-LibUV.v2.0.1+14.armv7l-linux-gnueabihf.tar.gz/md5/5be35de1d881f80981647c369b9b4ec8
-LibUV.v2.0.1+14.armv7l-linux-gnueabihf.tar.gz/sha512/458e5058ea4e794e0dc790da4c98569676056bac336df69762e8ccfec8f2955dcc55e8d090daa1b191c0ffa41392a04530c9bc28aa27cf411c1df2f1ba14bb97
-LibUV.v2.0.1+14.armv7l-linux-musleabihf.tar.gz/md5/8d034490da1ec2ef3dd3c69336177654
-LibUV.v2.0.1+14.armv7l-linux-musleabihf.tar.gz/sha512/7f595a8ab8b664d229cf6144e9ed1b5936ba8aaa70b92611ddb85bbe9046bb1b94d8417355a5abf058fb00023d4d56be0b2ddfd5dba896cd7b64e84e32dbfc5a
-LibUV.v2.0.1+14.i686-linux-gnu.tar.gz/md5/ccb9aba78456c99b8473e8ddd328f90e
-LibUV.v2.0.1+14.i686-linux-gnu.tar.gz/sha512/d382d90137db308933257a75e51d90988d6d07663b3b2915478547127d32f73ae6cdb4575d5ee20758f8850c7e85908fe4710c053cb361826621f22bc5b6502d
-LibUV.v2.0.1+14.i686-linux-musl.tar.gz/md5/5ade48f16aa26bb68dc046d285c73043
-LibUV.v2.0.1+14.i686-linux-musl.tar.gz/sha512/f5728a5dc567268e59aa2697deb793ae427e11dcb6796c577e3da3ac24225ece5d4a6c4f903d4a7b184d3c3a3c8c1586c34b97e4a75de0a4e23ace720020fa8c
-LibUV.v2.0.1+14.i686-w64-mingw32.tar.gz/md5/541210fef837c2ef7cffa508d282f9bb
-LibUV.v2.0.1+14.i686-w64-mingw32.tar.gz/sha512/4541a02c59b66f97099b5264dce0cad90fcdf9a4d7ccd8e950cc1f3a530616a0fb2aa43db21b5b1f52819efef22cd0b68595d419e2e5b05924e344b0333f8bf8
-LibUV.v2.0.1+14.powerpc64le-linux-gnu.tar.gz/md5/26656d4eaae8739099c55054bad54f57
-LibUV.v2.0.1+14.powerpc64le-linux-gnu.tar.gz/sha512/f85f8cfd91e7b1b02b073931ef9a3bb05620641d18ada039744a92b8c40e5a3de8d7c5efa7189b88baf1eb11fbcf9e6d16031b86e40f99f1b7cfebb0f5c5adf1
-LibUV.v2.0.1+14.x86_64-apple-darwin.tar.gz/md5/c7da6b91394a20c43acdf6f680cb62e2
-LibUV.v2.0.1+14.x86_64-apple-darwin.tar.gz/sha512/238d22bd299ae3b0dfd24a5b38d6d0d07b751fb301487a2d1d2f5313ae3596f33492388ea9fbff549293787505fc527e174ebcd4068f1bda43b40bc19e016d89
-LibUV.v2.0.1+14.x86_64-linux-gnu.tar.gz/md5/8c8913068263257cce5042b725918e0e
-LibUV.v2.0.1+14.x86_64-linux-gnu.tar.gz/sha512/a848381012d5a20a0c881f5835e479cfff811928ce508cc57041d69668782f2135c14c7e5388e7dbf693ae57aa1825d911f6f450b9e909cce45487b03a581a23
-LibUV.v2.0.1+14.x86_64-linux-musl.tar.gz/md5/16747c066b6d7fe56850c77f66ea7478
-LibUV.v2.0.1+14.x86_64-linux-musl.tar.gz/sha512/833a02f9191edf3b56f1e02f5671f22de6cb27ec3c9f770530ec95d8da7ba0b9c05bcdf6b094224ea8e43ba70918e1599f3237bd98900763daef80c327d3d2de
-LibUV.v2.0.1+14.x86_64-unknown-freebsd.tar.gz/md5/e828eb79728e75766a72d7b304c9f989
-LibUV.v2.0.1+14.x86_64-unknown-freebsd.tar.gz/sha512/37df5b966f70b3d1e0eae603d4a6b00c84dffdfc3632ca581669a99a0cd894a81aff4361de3beed53ec032273f62cf397cf52085c6c387d0bbb2c57b59ae84fe
-LibUV.v2.0.1+14.x86_64-w64-mingw32.tar.gz/md5/bded9d94435a70fd0dfff3f0fc605736
-LibUV.v2.0.1+14.x86_64-w64-mingw32.tar.gz/sha512/48793a386f6231d12f01b4718d87aaab409f0b807b03a3577e2401f7493caef36a5072fdc33f3cd3ce9733ba50ab344cb2e2fa6a21ba5adb56d6cca642afad0c
-libuv-2723e256e952be0b015b3c0086f717c3d365d97e.tar.gz/md5/d2284d7f6fa75d6a35673d22e1be058b
-libuv-2723e256e952be0b015b3c0086f717c3d365d97e.tar.gz/sha512/68d6ab740945b9ce3475118ce3d186fb67d7e8125784cc0c827df23d63f50c40c0261ef37365d8c11ab9462a8dd4e2e6b19e91e3c84b64d8fb84fd3894afc4ac
+LibUV.v2.0.1+15.aarch64-apple-darwin.tar.gz/md5/f12ee08b8d5721bd88b651ac573c59ed
+LibUV.v2.0.1+15.aarch64-apple-darwin.tar.gz/sha512/b3c53e04624d9c60e664db2eaaf3add696f95c52e55db0c577547f7bf7e045ce30cffa0e38c3451f483dcdb7ddcac1b7f43b694dfadb37282773ce416af1030a
+LibUV.v2.0.1+15.aarch64-linux-gnu.tar.gz/md5/8cb9f4d6c6a4013fa9ed9ae120058275
+LibUV.v2.0.1+15.aarch64-linux-gnu.tar.gz/sha512/d4213ee47ebdcab4cc4719478608ffa461a5543a16656c2881587364c8ed1b39a2f418d5c3c6a04d7e6dd3df349f0afa72cd1df0e06db6146512356b37637024
+LibUV.v2.0.1+15.aarch64-linux-musl.tar.gz/md5/e23a0d7162fc3f09f0ea92d24cba3f4d
+LibUV.v2.0.1+15.aarch64-linux-musl.tar.gz/sha512/f4a13eee72575092ab673777a53d43ce999a7a8bf847daa0a86b39bbfd3f6c1575f105a0bb629766268921ff94f10d354a0e53d32623f6ad35fca44e7bac25f8
+LibUV.v2.0.1+15.armv6l-linux-gnueabihf.tar.gz/md5/70ed0616cd3737a357b7571ab648d239
+LibUV.v2.0.1+15.armv6l-linux-gnueabihf.tar.gz/sha512/25a4b8a90b7bb62e31c1c2bb1d7e137050de26f311daa9f77be932ab3d9a2b92c82ce82ed37cc74a2b1cd5a60bd0dc412e92d31013d36ad35af2d4f376fbc0b0
+LibUV.v2.0.1+15.armv6l-linux-musleabihf.tar.gz/md5/e4320c51c8904a59c105f7b63d086c79
+LibUV.v2.0.1+15.armv6l-linux-musleabihf.tar.gz/sha512/bbc39d800277a66298c56849c1131a6f1958a2c8b2465b59527965a1bd3f36a4c87c1d7ad4be59ec0f4ca8f94ec1804a619eb963d956b77e645e0e00effc6613
+LibUV.v2.0.1+15.armv7l-linux-gnueabihf.tar.gz/md5/d5436552dc177fc3fd0cf4f575cc03b4
+LibUV.v2.0.1+15.armv7l-linux-gnueabihf.tar.gz/sha512/8d3722290151ecf65f4e3fe3440828492a7b115810b87c8711c5592f4dea69727e516228a5a1bdac430c74b288f12de390daf0a9408274aa27cdd69efc81cfee
+LibUV.v2.0.1+15.armv7l-linux-musleabihf.tar.gz/md5/67e1ba03ddf2d2bdd79fef25a5976350
+LibUV.v2.0.1+15.armv7l-linux-musleabihf.tar.gz/sha512/535565657b5714da0db5c622b65b261a77f21f407b1166eee99f35ba3bb9c6fab4c7d1f3db70528767cef7c66c856c5101b01423be05efb9219ec4c76df0be6a
+LibUV.v2.0.1+15.i686-linux-gnu.tar.gz/md5/ba1432ecd75e6a43ff197d51ba76446c
+LibUV.v2.0.1+15.i686-linux-gnu.tar.gz/sha512/dc8940284d4ba05098037fcf4b3bada199878794ef34ad09d8992ef58e4c829b00a3fcca29c4f65b49edcab4274092232ff5d7619b3535333125043f89503cfc
+LibUV.v2.0.1+15.i686-linux-musl.tar.gz/md5/237080cf5d1286a3d2f35d134a285d28
+LibUV.v2.0.1+15.i686-linux-musl.tar.gz/sha512/834f16a16cf6b765dfd094037c8a45ccdedc2eb9e45f527c6721eb0f60f4e56dc4f9b90a2a35e3ed10da4a937d8555e97034e0a29d733cac5352061ebe286799
+LibUV.v2.0.1+15.i686-w64-mingw32.tar.gz/md5/8a5261a6ce4200d272b5eda4fe9ecb31
+LibUV.v2.0.1+15.i686-w64-mingw32.tar.gz/sha512/b372b9368a9ac92775a8d6ee39b492905dc5f58f16d7edf792e0c2ffbd4507ede79139a24fe852dfa26068d0f076a4abf3c3b868a8a057b23fdbad80999d315f
+LibUV.v2.0.1+15.powerpc64le-linux-gnu.tar.gz/md5/53db7b763af204477ce8f0bfae0ce15c
+LibUV.v2.0.1+15.powerpc64le-linux-gnu.tar.gz/sha512/bbfe2518d4dc84fe73b7d3f3bcaf5aeef0db0d284c0e205e3e3670b8ce6f3ea593a0e52d125fd9a79cd098dba0d35f151cb46469fa25dfeef62ebcc966f94d4f
+LibUV.v2.0.1+15.x86_64-apple-darwin.tar.gz/md5/b4699192c098564edc5589e90c47324e
+LibUV.v2.0.1+15.x86_64-apple-darwin.tar.gz/sha512/2505e4060712143d3213747d4276c0b99dec78579d2ab0b71c5d7edf15ae80e0178138a11470c976d97de14e44b153dcb00c08c864523d7ee0ead8e48cf15d14
+LibUV.v2.0.1+15.x86_64-linux-gnu.tar.gz/md5/f5515c50106a0748b9a1986c912a00f3
+LibUV.v2.0.1+15.x86_64-linux-gnu.tar.gz/sha512/5822396039e14a5d919f2612559a8d62a925c4319e66eb05ed20faed754318762f5653851684701cd4ddb1edf10bfe25d252c3d9cd84228e498e825ba61146b1
+LibUV.v2.0.1+15.x86_64-linux-musl.tar.gz/md5/1962e6f21080e874d2ca0275c5b569b2
+LibUV.v2.0.1+15.x86_64-linux-musl.tar.gz/sha512/4702e13633d77a6c0aeb1e7cd252471a779177e20c68485130f420cc4878c8f7de7f0f51730008ba9dc0f275875a5947629d39aff200691e26f31d42e388d53d
+LibUV.v2.0.1+15.x86_64-unknown-freebsd.tar.gz/md5/928a789c3cd3b4cefcc1cf13f5f179ac
+LibUV.v2.0.1+15.x86_64-unknown-freebsd.tar.gz/sha512/ee58667b19fdf7ec0218b4645b3f5bed2e9fc01cc29eab8473ee02aaa044f94a48eb220c6427200aaf56eacf52d0f72156712d17017cfecbc25d3c1b71a4bd2f
+LibUV.v2.0.1+15.x86_64-w64-mingw32.tar.gz/md5/d3b84729ee9d5a6e6a1e29357e25cced
+LibUV.v2.0.1+15.x86_64-w64-mingw32.tar.gz/sha512/43ca5999d8e8ff820722b1a548bd4e277e95c739c3363ed6159d080dd06842316f5370e8e4f4a886bf76010f4aed2bbf01f6091845b0e84b75f709277c561649
+libuv-afa1c67fa496eb49ade1e520f76fd018a1409eaa.tar.gz/md5/3863ccd5a51f85cf76679070c99be6cd
+libuv-afa1c67fa496eb49ade1e520f76fd018a1409eaa.tar.gz/sha512/bf4c705e05e730139b62de799331653eea2767898d654b8890ca2623db3adb9a1efcfcfab38af22e8ac44c67a9c5c018f1f7847a3703bee5f05657169a67d817
diff --git a/deps/libuv.version b/deps/libuv.version
index 01bf4fecc6dc6..9ae54aa7be91a 100644
--- a/deps/libuv.version
+++ b/deps/libuv.version
@@ -3,5 +3,5 @@ LIBUV_JLL_NAME := LibUV
 
 ## source build
 LIBUV_VER := 2
-LIBUV_BRANCH=julia-uv2-1.44.2
-LIBUV_SHA1=2723e256e952be0b015b3c0086f717c3d365d97e
+LIBUV_BRANCH=julia-uv2-1.48.0
+LIBUV_SHA1=afa1c67fa496eb49ade1e520f76fd018a1409eaa
diff --git a/src/jl_uv.c b/src/jl_uv.c
index 582484f78e181..e447faf8fa9c2 100644
--- a/src/jl_uv.c
+++ b/src/jl_uv.c
@@ -39,21 +39,24 @@ static void walk_print_cb(uv_handle_t *h, void *arg)
     const char *type = uv_handle_type_name(h->type);
     if (!type)
         type = "<unknown>";
+    size_t resource_id; // fits an int or pid_t on Unix, HANDLE or PID on Windows
     uv_os_fd_t fd;
     if (h->type == UV_PROCESS)
-        fd = uv_process_get_pid((uv_process_t*)h);
-    else if (uv_fileno(h, &fd))
-        fd = (uv_os_fd_t)-1;
+        resource_id = (size_t)uv_process_get_pid((uv_process_t*)h);
+    else if (uv_fileno(h, &fd) == 0)
+        resource_id = (size_t)fd;
+    else
+        resource_id = -1;
     const char *pad = "                "; // 16 spaces
-    int npad = fd == -1 ? 0 : snprintf(NULL, 0, "%zd", (size_t)fd);
+    int npad = resource_id == -1 ? 0 : snprintf(NULL, 0, "%zd", resource_id);
     if (npad < 0)
         npad = 0;
     npad += strlen(type);
     pad += npad < strlen(pad) ? npad : strlen(pad);
-    if (fd == -1)
+    if (resource_id == -1)
         jl_safe_printf(" %s   %s%p->%p\n", type,             pad, (void*)h, (void*)h->data);
     else
-        jl_safe_printf(" %s[%zd] %s%p->%p\n", type, (size_t)fd, pad, (void*)h, (void*)h->data);
+        jl_safe_printf(" %s[%zd] %s%p->%p\n", type, resource_id, pad, (void*)h, (void*)h->data);
 }
 
 static void wait_empty_func(uv_timer_t *t)
@@ -1110,31 +1113,39 @@ static inline int ishexchar(char c)
 
 JL_DLLEXPORT int jl_ispty(uv_pipe_t *pipe)
 {
-    if (pipe->type != UV_NAMED_PIPE) return 0;
+    char namebuf[0];
     size_t len = 0;
-    if (uv_pipe_getpeername(pipe, NULL, &len) != UV_ENOBUFS) return 0;
+    if (pipe->type != UV_NAMED_PIPE)
+        return 0;
+    if (uv_pipe_getpeername(pipe, namebuf, &len) != UV_ENOBUFS)
+        return 0;
     char *name = (char*)alloca(len + 1);
-    if (uv_pipe_getpeername(pipe, name, &len)) return 0;
+    if (uv_pipe_getpeername(pipe, name, &len))
+        return 0;
     name[len] = '\0';
     // return true if name matches regex:
     // ^\\\\?\\pipe\\(msys|cygwin)-[0-9a-z]{16}-[pt]ty[1-9][0-9]*-
     //jl_printf(JL_STDERR,"pipe_name: %s\n", name);
     int n = 0;
-    if (!strncmp(name,"\\\\?\\pipe\\msys-",14))
+    if (!strncmp(name, "\\\\?\\pipe\\msys-", 14))
         n = 14;
-    else if (!strncmp(name,"\\\\?\\pipe\\cygwin-",16))
+    else if (!strncmp(name, "\\\\?\\pipe\\cygwin-", 16))
         n = 16;
     else
         return 0;
     //jl_printf(JL_STDERR,"prefix pass\n");
     name += n;
     for (int n = 0; n < 16; n++)
-        if (!ishexchar(*name++)) return 0;
+        if (!ishexchar(*name++))
+            return 0;
     //jl_printf(JL_STDERR,"hex pass\n");
-    if ((*name++)!='-') return 0;
-    if (*name != 'p' && *name != 't') return 0;
+    if ((*name++)!='-')
+        return 0;
+    if (*name != 'p' && *name != 't')
+        return 0;
     name++;
-    if (*name++ != 't' || *name++ != 'y') return 0;
+    if (*name++ != 't' || *name++ != 'y')
+        return 0;
     //jl_printf(JL_STDERR,"tty pass\n");
     return 1;
 }
diff --git a/stdlib/FileWatching/test/runtests.jl b/stdlib/FileWatching/test/runtests.jl
index 9ba6456d20a98..b9ad8d9bc7777 100644
--- a/stdlib/FileWatching/test/runtests.jl
+++ b/stdlib/FileWatching/test/runtests.jl
@@ -161,7 +161,7 @@ test2_12992()
 #######################################################################
 # This section tests file watchers.                                   #
 #######################################################################
-F_GETPATH = Sys.islinux() || Sys.iswindows() || Sys.isapple()  # platforms where F_GETPATH is available
+F_GETPATH = Sys.islinux() || Sys.iswindows() || Sys.isapple() || Sys.isfreebsd() # platforms where F_GETPATH is available
 F_PATH = F_GETPATH ? "afile.txt" : ""
 dir = mktempdir()
 file = joinpath(dir, "afile.txt")
diff --git a/stdlib/LibUV_jll/Project.toml b/stdlib/LibUV_jll/Project.toml
index 605c1115b3d34..8089516c1df14 100644
--- a/stdlib/LibUV_jll/Project.toml
+++ b/stdlib/LibUV_jll/Project.toml
@@ -1,6 +1,6 @@
 name = "LibUV_jll"
 uuid = "183b4373-6708-53ba-ad28-60e28bb38547"
-version = "2.0.1+14"
+version = "2.0.1+15"
 
 [deps]
 Libdl = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
diff --git a/stdlib/REPL/src/precompile.jl b/stdlib/REPL/src/precompile.jl
index 0eea4c140e39b..7299742eaef1c 100644
--- a/stdlib/REPL/src/precompile.jl
+++ b/stdlib/REPL/src/precompile.jl
@@ -4,8 +4,14 @@ module Precompile
 # Can't use this during incremental: `@eval Module() begin``
 
 import ..REPL
+# Prepare this staging area with all the loaded packages available
+for (_pkgid, _mod) in Base.loaded_modules
+    if !(_pkgid.name in ("Main", "Core", "Base", "REPL"))
+        eval(:(const $(Symbol(_mod)) = $_mod))
+    end
+end
 
-# Ugly hack for our cache file to not have a dependency edge on FakePTYs.
+# Ugly hack for our cache file to not have a dependency edge on the FakePTYs file.
 Base._track_dependencies[] = false
 try
     Base.include(@__MODULE__, joinpath(Sys.BINDIR, "..", "share", "julia", "test", "testhelpers", "FakePTYs.jl"))
@@ -172,10 +178,10 @@ generate_precompile_statements() = try
         end
         close(precompile_copy)
         wait(buffer_reader)
-        close(statements_step)
         return :ok
     end
     !PARALLEL_PRECOMPILATION && wait(step)
+    bind(statements_step, step)
 
     # Make statements unique
     statements = Set{String}()
@@ -205,7 +211,7 @@ generate_precompile_statements() = try
         end
     end
 
-    fetch(step) == :ok || throw("Collecting precompiles failed.")
+    fetch(step) == :ok || throw("Collecting precompiles failed: $(c.excp)")
     return nothing
 finally
     GC.gc(true); GC.gc(false); # reduce memory footprint
diff --git a/test/spawn.jl b/test/spawn.jl
index 9d58b32976357..831eac493d4aa 100644
--- a/test/spawn.jl
+++ b/test/spawn.jl
@@ -23,7 +23,7 @@ havebb = false
 
 function _tryonce_download_from_cache(desired_url::AbstractString)
     cache_url = "https://cache.julialang.org/$(desired_url)"
-    cache_output_filename = joinpath(mktempdir(), "myfile")
+    cache_output_filename = joinpath(mktempdir(), "busybox")
     cache_response = Downloads.request(
         cache_url;
         output = cache_output_filename,