diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 0e56eba4c6..118db800cb 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,7 +1,7 @@
 {
-  ".": "0.2.0",
-  "cli": "0.2.0",
-  "compiler": "0.2.0",
-  "runtime": "0.2.0",
-  "stdlib": "0.2.0"
+  ".": "0.3.0",
+  "cli": "0.3.0",
+  "compiler": "0.3.0",
+  "runtime": "0.3.0",
+  "stdlib": "0.3.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000000..3acd1b3ad6
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,131 @@
+# Changelog
+
+## [0.3.0](https://www.github.com/grain-lang/grain/compare/grain-v0.2.0...grain-v0.3.0) (2021-04-19)
+
+
+### ⚠ BREAKING CHANGES
+
+* Correct type signature for `_start`
+* Introduce `_gmain` for old behavior of `_start`
+* Tail calls must be enabled explicitly via `--experimental-wasm-tail-call`
+* Static linking of Grain modules (#584)
+* **stdlib:** Replace JS entrypoint with locator file (#586)
+* Streamline runtime dependencies & entrypoints (#585)
+* Rename `registerBasePrinter` to `dangerouslyRegisterBasePrinter` in runtime/exception
+* Use Grain exceptions instead of JS exceptions (#565)
+* Update assignment semantics (#560)
+* Grain implementation of memory allocator (#530)
+* Refactor value tags (#526)
+* **stdlib:** Ensure string methods are data-last (#494)
+* **runtime:** Print strings without quotes (#495)
+* Char literals (#477)
+* Char (#474)
+* Rework memory management (#461)
+* convert fallible List methods to return Option (#460)
+* change return type of Array.find/findIndex to Option (#459)
+* upgrade binaryen to 0.4.0 & update test invocation to work with it (#435)
+* Add support for bitwise operators (#425)
+* remove `^` as unbox operator (fixes #183) (#426)
+
+### Features
+
+* `for` loops ([#525](https://www.github.com/grain-lang/grain/issues/525)) ([1032a3d](https://www.github.com/grain-lang/grain/commit/1032a3d4e92e8947b6406147e8992b9a0dd5b9e2))
+* Add ability to `throw` exceptions ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* Add ability to register custom exception printers ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* add command line option to disable garbage collector ([#239](https://www.github.com/grain-lang/grain/issues/239)) ([7f27a0a](https://www.github.com/grain-lang/grain/commit/7f27a0a5b700eff0a0a80401262286a4762f8c44))
+* Add Exception stdlib with Exception.registerPrinter ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* add initial Range stdlib module ([#456](https://www.github.com/grain-lang/grain/issues/456)) ([508f23c](https://www.github.com/grain-lang/grain/commit/508f23c32ad9b713843b3fb35dc3c9ac308303e9))
+* add List.init to stdlib ([#465](https://www.github.com/grain-lang/grain/issues/465)) ([6b833d8](https://www.github.com/grain-lang/grain/commit/6b833d839deaa81c9d755ebf2da61e36688cd8ee))
+* add reduce/flatMap/every/some to Array stdlib ([#455](https://www.github.com/grain-lang/grain/issues/455)) ([51a7a80](https://www.github.com/grain-lang/grain/commit/51a7a80b92ebe5e369660b293dd1d954aea56b9b))
+* add reducei/counti/filter/filteri/unique to Array stdlib ([#473](https://www.github.com/grain-lang/grain/issues/473)) ([3e70cd5](https://www.github.com/grain-lang/grain/commit/3e70cd5c70aa12f14b6de1381f7cb38e88bbb890))
+* add Set stdlib module ([#466](https://www.github.com/grain-lang/grain/issues/466)) ([2eb2604](https://www.github.com/grain-lang/grain/commit/2eb2604b1eeac6cf9f1d9cc6a6e11772bfc956c8))
+* Add support for bitwise operators ([#425](https://www.github.com/grain-lang/grain/issues/425)) ([5c2b8bf](https://www.github.com/grain-lang/grain/commit/5c2b8bf0e97db35c98918e115e9d7cc48425fded))
+* Add support for loading Grain modules directly from an ArrayBuffer and running them ([f07f305](https://www.github.com/grain-lang/grain/commit/f07f30541b5d5d4e579db2d5e41b15841fc4ebbc))
+* add support for LSP lenses ([#416](https://www.github.com/grain-lang/grain/issues/416)) ([753a0dc](https://www.github.com/grain-lang/grain/commit/753a0dc7fa02766a930238077a5deea66b0bf158))
+* add update method to map stdlib ([#421](https://www.github.com/grain-lang/grain/issues/421)) ([292b5f9](https://www.github.com/grain-lang/grain/commit/292b5f9bbf1ea84b0540fe828fb1e3dba712340f))
+* Allow newline when creating array ([#447](https://www.github.com/grain-lang/grain/issues/447)) ([114cb1a](https://www.github.com/grain-lang/grain/commit/114cb1a85b55086bb72e95ab886ff93eaf5d7162))
+* Allow pattern matching on unsafe wasm i32s ([#532](https://www.github.com/grain-lang/grain/issues/532)) ([8839c55](https://www.github.com/grain-lang/grain/commit/8839c5542718f35d10f3958559862faab506a0b6))
+* allow setting the initial memory via CLI option ([#448](https://www.github.com/grain-lang/grain/issues/448)) ([213ee5a](https://www.github.com/grain-lang/grain/commit/213ee5a2736a71eb6a62a28bd60f338e196ea265))
+* Allow unsafe wasm values in globals ([#519](https://www.github.com/grain-lang/grain/issues/519)) ([111b549](https://www.github.com/grain-lang/grain/commit/111b549dfcb0645157dc4a3be54665d7c96debfd))
+* Better lenses and hover for LSP ([#501](https://www.github.com/grain-lang/grain/issues/501)) ([1223e9a](https://www.github.com/grain-lang/grain/commit/1223e9a453e3e248e55fc5b8ba2ee797ffd44224))
+* change return type of Array.find/findIndex to Option ([#459](https://www.github.com/grain-lang/grain/issues/459)) ([aa3767d](https://www.github.com/grain-lang/grain/commit/aa3767d5d429b33c54cec458f916715f931f9bc2))
+* Char ([#474](https://www.github.com/grain-lang/grain/issues/474)) ([c9422f8](https://www.github.com/grain-lang/grain/commit/c9422f89573cc94081d2dd5f9e11ee17ec475668))
+* Char literals ([#477](https://www.github.com/grain-lang/grain/issues/477)) ([cf7eaa5](https://www.github.com/grain-lang/grain/commit/cf7eaa55d239fc7a524a85dc2d53bcfb233e8061))
+* Compile grainc to JS & create binaries with pkg ([#570](https://www.github.com/grain-lang/grain/issues/570)) ([f4919bd](https://www.github.com/grain-lang/grain/commit/f4919bdbab7dddd433b3f53bf8a8536a7efd5b03))
+* convert fallible List methods to return Option ([#460](https://www.github.com/grain-lang/grain/issues/460)) ([a08768e](https://www.github.com/grain-lang/grain/commit/a08768e85e94288c261746ede40842c833438faa))
+* Enable Binaryen optimizations ([#556](https://www.github.com/grain-lang/grain/issues/556)) ([50ebf74](https://www.github.com/grain-lang/grain/commit/50ebf74f98dedad89399424841de1427a8ac10ef))
+* Export compiled functions from modules ([#529](https://www.github.com/grain-lang/grain/issues/529)) ([e302049](https://www.github.com/grain-lang/grain/commit/e3020493cda821e8847e4517e4d2d137f7d24a7c))
+* Grain implementation of Char and String libraries ([#559](https://www.github.com/grain-lang/grain/issues/559)) ([7424cc5](https://www.github.com/grain-lang/grain/commit/7424cc5befe5c3416c26c5e943cc064329eac025))
+* Grain implementation of equals ([#538](https://www.github.com/grain-lang/grain/issues/538)) ([09617bc](https://www.github.com/grain-lang/grain/commit/09617bca84e503935ef33e3f7f523a0fce7c4f17))
+* Grain implementation of hashing ([#557](https://www.github.com/grain-lang/grain/issues/557)) ([40723fc](https://www.github.com/grain-lang/grain/commit/40723fca645f147b98eea83ffc11bd53359ce29a))
+* Grain implementation of memory allocator ([#530](https://www.github.com/grain-lang/grain/issues/530)) ([fd8faaa](https://www.github.com/grain-lang/grain/commit/fd8faaa1425d398c55af36c9cdd77a59cf2eeccf))
+* Grain implementation of memory manager ([#534](https://www.github.com/grain-lang/grain/issues/534)) ([cea6dcc](https://www.github.com/grain-lang/grain/commit/cea6dccaf45e8bdd07eb6c674f30c53a50f37a19))
+* Grain implementation of number libraries ([#542](https://www.github.com/grain-lang/grain/issues/542)) ([d90d38b](https://www.github.com/grain-lang/grain/commit/d90d38b8e5756ea15f90504652af5698cb8822f8))
+* Grain implementation of number runtime ([#537](https://www.github.com/grain-lang/grain/issues/537)) ([94460c0](https://www.github.com/grain-lang/grain/commit/94460c0aa83c737278f14bde2d2651bf6f8d9798))
+* Grain implementation of toString/print ([#540](https://www.github.com/grain-lang/grain/issues/540)) ([8c77905](https://www.github.com/grain-lang/grain/commit/8c779059c4a2a71d0ccacc51d946dde2d48d6623))
+* Grain wasi bindings ([#562](https://www.github.com/grain-lang/grain/issues/562)) ([323006b](https://www.github.com/grain-lang/grain/commit/323006b7a3e12194b252bcbad2ef8a3eb8e1f043))
+* Implement low-level wasm i32/i64/f32/f64 libraries ([#517](https://www.github.com/grain-lang/grain/issues/517)) ([721d011](https://www.github.com/grain-lang/grain/commit/721d011abeb79b86516bbb145e5424abfc11b1d4))
+* Implement String.indexOf, String.explode, and String.split ([#450](https://www.github.com/grain-lang/grain/issues/450)) ([6dc5466](https://www.github.com/grain-lang/grain/commit/6dc54666db1417ce4afa998c663754089d497676))
+* Implement support for printing in Grain ([#561](https://www.github.com/grain-lang/grain/issues/561)) ([bfe471c](https://www.github.com/grain-lang/grain/commit/bfe471c668ee5838bde8a307bfc0f5d650a9b594))
+* Normalized wasm exports for linked modules ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* Optimize local mutations ([#527](https://www.github.com/grain-lang/grain/issues/527)) ([65a1947](https://www.github.com/grain-lang/grain/commit/65a1947f3f87099a324dd7c00b14ff3affba8a0f))
+* Optimize number to string conversions by writing UTF8 directly ([#539](https://www.github.com/grain-lang/grain/issues/539)) ([f18d26e](https://www.github.com/grain-lang/grain/commit/f18d26ef0129440ef5a6a8d072d8bdc1c3990c2f))
+* Pattern matching on arrays ([#478](https://www.github.com/grain-lang/grain/issues/478)) ([681dddf](https://www.github.com/grain-lang/grain/commit/681dddfc0dbf4d98523574e8ac334b4635bef5e1))
+* Static linking of Grain modules ([#584](https://www.github.com/grain-lang/grain/issues/584)) ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* statically link MinGW libraries on Windows ([#438](https://www.github.com/grain-lang/grain/issues/438)) ([a154ac3](https://www.github.com/grain-lang/grain/commit/a154ac384d19768a3d30f5ace3898f390dcee20f))
+* **stdlib:** add Stack module ([#491](https://www.github.com/grain-lang/grain/issues/491)) ([8310d33](https://www.github.com/grain-lang/grain/commit/8310d337cb8c99135b9eb00e6bc9634b896762c7))
+* **stdlib:** Implement Char toString ([#481](https://www.github.com/grain-lang/grain/issues/481)) ([37ba683](https://www.github.com/grain-lang/grain/commit/37ba683bb177a59ae43101a7abac5f8dc0e935c4))
+* **stdlib:** String.implode ([#489](https://www.github.com/grain-lang/grain/issues/489)) ([045077b](https://www.github.com/grain-lang/grain/commit/045077bedbc5585bc26385af3750e50b0e055852))
+* Support for more WebAssembly runtimes, including Wasmtime and Wasmer ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* Update assignment semantics ([#560](https://www.github.com/grain-lang/grain/issues/560)) ([03a3217](https://www.github.com/grain-lang/grain/commit/03a3217fb7bc755407917991e0ebac3a66ea071e))
+* upgrade binaryen to 0.4.0 & update test invocation to work with it ([#435](https://www.github.com/grain-lang/grain/issues/435)) ([fbf52a8](https://www.github.com/grain-lang/grain/commit/fbf52a82636e9d823a0a6ee1767eac16f7030f82))
+* Upgrade to Binaryen 100 ([#541](https://www.github.com/grain-lang/grain/issues/541)) ([6d1fc53](https://www.github.com/grain-lang/grain/commit/6d1fc5394d52135a4ca483d4d1d089e0d1198b7f))
+* Use Grain exceptions instead of JS exceptions ([#565](https://www.github.com/grain-lang/grain/issues/565)) ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* Use real wasm tail call instruction ([#510](https://www.github.com/grain-lang/grain/issues/510)) ([9c9ffe4](https://www.github.com/grain-lang/grain/commit/9c9ffe48d78ed315f0a406d704c7a0fdbb116f1f))
+
+
+### Bug Fixes
+
+* `export *` with exceptions ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* Allow bodiless blocks ([#444](https://www.github.com/grain-lang/grain/issues/444)) ([ecfc70f](https://www.github.com/grain-lang/grain/commit/ecfc70fb1af70ce9fe465d20807275853a099756))
+* and/or short circuiting ([#536](https://www.github.com/grain-lang/grain/issues/536)) ([38ad495](https://www.github.com/grain-lang/grain/commit/38ad4952be827d289145c75ec71cb383221ee822))
+* Can't use memory.data ([#480](https://www.github.com/grain-lang/grain/issues/480)) ([1a4c3b9](https://www.github.com/grain-lang/grain/commit/1a4c3b9ff32d261aaf1a3670b14904c90ed22f76))
+* **compiler:** Always get little endian i64 from bytes ([#587](https://www.github.com/grain-lang/grain/issues/587)) ([1b9853a](https://www.github.com/grain-lang/grain/commit/1b9853ad3ebc91c1022efbf484532254c67c845e))
+* Correct type signature for `_start` ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* Don't optimize away expressions which could possibly contain side effects ([#523](https://www.github.com/grain-lang/grain/issues/523)) ([acc7d65](https://www.github.com/grain-lang/grain/commit/acc7d655621a1397481a10e8840c547ae5690d2b))
+* ensure Dockerfile works with `yarn prepare` command ([#418](https://www.github.com/grain-lang/grain/issues/418)) ([af40e03](https://www.github.com/grain-lang/grain/commit/af40e03fcef58eb7360cff5d23d1eec8b2001d40))
+* **grainc:** Only print compiler backtraces in debug mode ([#588](https://www.github.com/grain-lang/grain/issues/588)) ([f5145ff](https://www.github.com/grain-lang/grain/commit/f5145ff5eb931ec017228c08d6516384dae6b0e5))
+* loop body typechecking ([#533](https://www.github.com/grain-lang/grain/issues/533)) ([18e68ea](https://www.github.com/grain-lang/grain/commit/18e68eaf8f617c3cafa8d7aa5427ba01bead7172))
+* Multiline char locs ([#484](https://www.github.com/grain-lang/grain/issues/484)) ([1e4a691](https://www.github.com/grain-lang/grain/commit/1e4a6919568f554bd1f1b5b9adc5ade9c8ff42b8))
+* Multiline string locs ([#482](https://www.github.com/grain-lang/grain/issues/482)) ([d3eccee](https://www.github.com/grain-lang/grain/commit/d3ecceefaf49b8e3ffe9d6421f875268b4fecd85))
+* normalize filesystem paths to always use / separator ([#433](https://www.github.com/grain-lang/grain/issues/433)) ([084a485](https://www.github.com/grain-lang/grain/commit/084a485570d69b2600ed0eb2da37dacb5d18edaf))
+* One-sided if results in any type ([#531](https://www.github.com/grain-lang/grain/issues/531)) ([d85659b](https://www.github.com/grain-lang/grain/commit/d85659b7d1b6d3fa8f0dc77ac515695e173660f7))
+* Only backpatch closures for let-bindings ([#428](https://www.github.com/grain-lang/grain/issues/428)) ([98a0b0b](https://www.github.com/grain-lang/grain/commit/98a0b0b92a22cd37d753d09988ef5032526c5ab5))
+* Parsing of conditional assignment with binary operators ([#572](https://www.github.com/grain-lang/grain/issues/572)) ([17fd4fa](https://www.github.com/grain-lang/grain/commit/17fd4fa7e2d14d0392c98924625248ed6fd20b9a))
+* Properly incRef exception printers ([#581](https://www.github.com/grain-lang/grain/issues/581)) ([61c2a94](https://www.github.com/grain-lang/grain/commit/61c2a94dbe38ff074e6b53395c403d30996b60a0))
+* remove `^` as unbox operator (fixes [#183](https://www.github.com/grain-lang/grain/issues/183)) ([#426](https://www.github.com/grain-lang/grain/issues/426)) ([08b6b05](https://www.github.com/grain-lang/grain/commit/08b6b057a98a6a81c10d0856e27735dc6d5bdef0))
+* replace shebang trick with flagged-respawn to support Windows ([#430](https://www.github.com/grain-lang/grain/issues/430)) ([4ea2602](https://www.github.com/grain-lang/grain/commit/4ea26021d270adc542736efa90093d2f2cdbef5b))
+* Reset type vars when printing types ([#420](https://www.github.com/grain-lang/grain/issues/420)) ([bb17787](https://www.github.com/grain-lang/grain/commit/bb17787ce8b183569053b51f7d0ef0e88a1550bd))
+* Rework memory management ([#461](https://www.github.com/grain-lang/grain/issues/461)) ([84318b0](https://www.github.com/grain-lang/grain/commit/84318b01a21137492e9728f346680225f1d1ea9a))
+* **runtime:** Properly decRef record and array values ([#500](https://www.github.com/grain-lang/grain/issues/500)) ([88adb94](https://www.github.com/grain-lang/grain/commit/88adb942ecf5425b74540a9cddbcb775128d97eb))
+* set test sharding to 1 in attempt to avoid test race condition ([#440](https://www.github.com/grain-lang/grain/issues/440)) ([3783ec6](https://www.github.com/grain-lang/grain/commit/3783ec62efbe5b7b76d14cd070e17e99f7737cca))
+* temporarily disable inline tests ([#434](https://www.github.com/grain-lang/grain/issues/434)) ([0bc446a](https://www.github.com/grain-lang/grain/commit/0bc446a4149942416e8d439a223c0d39f7c028d4))
+* Throwing an exception now traps immediately in all cases ([61c2a94](https://www.github.com/grain-lang/grain/commit/61c2a94dbe38ff074e6b53395c403d30996b60a0))
+* Tidy up type printing ([#417](https://www.github.com/grain-lang/grain/issues/417)) ([14c7bd6](https://www.github.com/grain-lang/grain/commit/14c7bd6cbfa497e4a0f691288415865e865beb7d))
+* use direct node call instead of executable file ([#431](https://www.github.com/grain-lang/grain/issues/431)) ([747ee8d](https://www.github.com/grain-lang/grain/commit/747ee8d8938b112befc018d81111f244c6884c18))
+* Use Is instead of Eq for match variant comparison ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* Use proper return type for calls to external functions ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* utilize path.join to create filesystem paths in default locator ([#432](https://www.github.com/grain-lang/grain/issues/432)) ([8aa4fa0](https://www.github.com/grain-lang/grain/commit/8aa4fa0e454dfbfc828e27f6b0cc6ed042d22a3b))
+* word-size independent LEB input byte checking ([#567](https://www.github.com/grain-lang/grain/issues/567)) ([4079824](https://www.github.com/grain-lang/grain/commit/407982444aea158dccfd226d64cb94b3b60ba938))
+
+
+### Miscellaneous Chores
+
+* Introduce `_gmain` for old behavior of `_start` ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* Refactor value tags ([#526](https://www.github.com/grain-lang/grain/issues/526)) ([9b21d22](https://www.github.com/grain-lang/grain/commit/9b21d22e403f37d0cfb89891f9c31f40f03ae061))
+* Rename `registerBasePrinter` to `dangerouslyRegisterBasePrinter` in runtime/exception ([61c2a94](https://www.github.com/grain-lang/grain/commit/61c2a94dbe38ff074e6b53395c403d30996b60a0))
+* **runtime:** Print strings without quotes ([#495](https://www.github.com/grain-lang/grain/issues/495)) ([16671c2](https://www.github.com/grain-lang/grain/commit/16671c2448044bfc20eec32800b4a49ee6f2bb4e))
+* **stdlib:** Ensure string methods are data-last ([#494](https://www.github.com/grain-lang/grain/issues/494)) ([f871efc](https://www.github.com/grain-lang/grain/commit/f871efc8943c640c377fae369d7704844d3f86a4))
+* **stdlib:** Replace JS entrypoint with locator file ([#586](https://www.github.com/grain-lang/grain/issues/586)) ([a9ec7e2](https://www.github.com/grain-lang/grain/commit/a9ec7e237f22fe4eb507919972f4c41aa5eed55b))
+* Streamline runtime dependencies & entrypoints ([#585](https://www.github.com/grain-lang/grain/issues/585)) ([bbdd38d](https://www.github.com/grain-lang/grain/commit/bbdd38d5f4e5958aa10d602ba6b57a588024b050))
+* Tail calls must be enabled explicitly via `--experimental-wasm-tail-call` ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
diff --git a/cli/CHANGELOG.md b/cli/CHANGELOG.md
new file mode 100644
index 0000000000..7a2b06259d
--- /dev/null
+++ b/cli/CHANGELOG.md
@@ -0,0 +1,22 @@
+# Changelog
+
+## [0.3.0](https://www.github.com/grain-lang/grain/compare/cli-v0.2.0...cli-v0.3.0) (2021-04-19)
+
+
+### ⚠ BREAKING CHANGES
+
+* Rework memory management (#461)
+
+### Features
+
+* allow setting the initial memory via CLI option ([#448](https://www.github.com/grain-lang/grain/issues/448)) ([213ee5a](https://www.github.com/grain-lang/grain/commit/213ee5a2736a71eb6a62a28bd60f338e196ea265))
+* Compile grainc to JS & create binaries with pkg ([#570](https://www.github.com/grain-lang/grain/issues/570)) ([f4919bd](https://www.github.com/grain-lang/grain/commit/f4919bdbab7dddd433b3f53bf8a8536a7efd5b03))
+* Grain implementation of memory manager ([#534](https://www.github.com/grain-lang/grain/issues/534)) ([cea6dcc](https://www.github.com/grain-lang/grain/commit/cea6dccaf45e8bdd07eb6c674f30c53a50f37a19))
+* Grain implementation of toString/print ([#540](https://www.github.com/grain-lang/grain/issues/540)) ([8c77905](https://www.github.com/grain-lang/grain/commit/8c779059c4a2a71d0ccacc51d946dde2d48d6623))
+* Use real wasm tail call instruction ([#510](https://www.github.com/grain-lang/grain/issues/510)) ([9c9ffe4](https://www.github.com/grain-lang/grain/commit/9c9ffe48d78ed315f0a406d704c7a0fdbb116f1f))
+
+
+### Bug Fixes
+
+* replace shebang trick with flagged-respawn to support Windows ([#430](https://www.github.com/grain-lang/grain/issues/430)) ([4ea2602](https://www.github.com/grain-lang/grain/commit/4ea26021d270adc542736efa90093d2f2cdbef5b))
+* Rework memory management ([#461](https://www.github.com/grain-lang/grain/issues/461)) ([84318b0](https://www.github.com/grain-lang/grain/commit/84318b01a21137492e9728f346680225f1d1ea9a))
diff --git a/cli/package.json b/cli/package.json
index d3b2a579a4..491bf1cc21 100644
--- a/cli/package.json
+++ b/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@grain/cli",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "A command line tool for the Grain language.",
   "main": "index.js",
   "engines": {
diff --git a/compiler/CHANGELOG.md b/compiler/CHANGELOG.md
new file mode 100644
index 0000000000..1a6405b5a5
--- /dev/null
+++ b/compiler/CHANGELOG.md
@@ -0,0 +1,117 @@
+# Changelog
+
+## [0.3.0](https://www.github.com/grain-lang/grain/compare/@grain/compiler-v0.2.0...@grain/compiler-v0.3.0) (2021-04-19)
+
+
+### ⚠ BREAKING CHANGES
+
+* Correct type signature for `_start`
+* Introduce `_gmain` for old behavior of `_start`
+* Tail calls must be enabled explicitly via `--experimental-wasm-tail-call`
+* Static linking of Grain modules (#584)
+* Rename `registerBasePrinter` to `dangerouslyRegisterBasePrinter` in runtime/exception
+* Use Grain exceptions instead of JS exceptions (#565)
+* Update assignment semantics (#560)
+* Grain implementation of memory allocator (#530)
+* Refactor value tags (#526)
+* **stdlib:** Ensure string methods are data-last (#494)
+* **runtime:** Print strings without quotes (#495)
+* Char literals (#477)
+* Char (#474)
+* convert fallible List methods to return Option (#460)
+* change return type of Array.find/findIndex to Option (#459)
+* upgrade binaryen to 0.4.0 & update test invocation to work with it (#435)
+* Add support for bitwise operators (#425)
+* remove `^` as unbox operator (fixes #183) (#426)
+
+### Features
+
+* `for` loops ([#525](https://www.github.com/grain-lang/grain/issues/525)) ([1032a3d](https://www.github.com/grain-lang/grain/commit/1032a3d4e92e8947b6406147e8992b9a0dd5b9e2))
+* Add ability to `throw` exceptions ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* Add ability to register custom exception printers ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* add command line option to disable garbage collector ([#239](https://www.github.com/grain-lang/grain/issues/239)) ([7f27a0a](https://www.github.com/grain-lang/grain/commit/7f27a0a5b700eff0a0a80401262286a4762f8c44))
+* Add Exception stdlib with Exception.registerPrinter ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* add initial Range stdlib module ([#456](https://www.github.com/grain-lang/grain/issues/456)) ([508f23c](https://www.github.com/grain-lang/grain/commit/508f23c32ad9b713843b3fb35dc3c9ac308303e9))
+* add List.init to stdlib ([#465](https://www.github.com/grain-lang/grain/issues/465)) ([6b833d8](https://www.github.com/grain-lang/grain/commit/6b833d839deaa81c9d755ebf2da61e36688cd8ee))
+* add reduce/flatMap/every/some to Array stdlib ([#455](https://www.github.com/grain-lang/grain/issues/455)) ([51a7a80](https://www.github.com/grain-lang/grain/commit/51a7a80b92ebe5e369660b293dd1d954aea56b9b))
+* add reducei/counti/filter/filteri/unique to Array stdlib ([#473](https://www.github.com/grain-lang/grain/issues/473)) ([3e70cd5](https://www.github.com/grain-lang/grain/commit/3e70cd5c70aa12f14b6de1381f7cb38e88bbb890))
+* add Set stdlib module ([#466](https://www.github.com/grain-lang/grain/issues/466)) ([2eb2604](https://www.github.com/grain-lang/grain/commit/2eb2604b1eeac6cf9f1d9cc6a6e11772bfc956c8))
+* Add support for bitwise operators ([#425](https://www.github.com/grain-lang/grain/issues/425)) ([5c2b8bf](https://www.github.com/grain-lang/grain/commit/5c2b8bf0e97db35c98918e115e9d7cc48425fded))
+* add support for LSP lenses ([#416](https://www.github.com/grain-lang/grain/issues/416)) ([753a0dc](https://www.github.com/grain-lang/grain/commit/753a0dc7fa02766a930238077a5deea66b0bf158))
+* add update method to map stdlib ([#421](https://www.github.com/grain-lang/grain/issues/421)) ([292b5f9](https://www.github.com/grain-lang/grain/commit/292b5f9bbf1ea84b0540fe828fb1e3dba712340f))
+* Allow newline when creating array ([#447](https://www.github.com/grain-lang/grain/issues/447)) ([114cb1a](https://www.github.com/grain-lang/grain/commit/114cb1a85b55086bb72e95ab886ff93eaf5d7162))
+* Allow pattern matching on unsafe wasm i32s ([#532](https://www.github.com/grain-lang/grain/issues/532)) ([8839c55](https://www.github.com/grain-lang/grain/commit/8839c5542718f35d10f3958559862faab506a0b6))
+* Allow unsafe wasm values in globals ([#519](https://www.github.com/grain-lang/grain/issues/519)) ([111b549](https://www.github.com/grain-lang/grain/commit/111b549dfcb0645157dc4a3be54665d7c96debfd))
+* Better lenses and hover for LSP ([#501](https://www.github.com/grain-lang/grain/issues/501)) ([1223e9a](https://www.github.com/grain-lang/grain/commit/1223e9a453e3e248e55fc5b8ba2ee797ffd44224))
+* change return type of Array.find/findIndex to Option ([#459](https://www.github.com/grain-lang/grain/issues/459)) ([aa3767d](https://www.github.com/grain-lang/grain/commit/aa3767d5d429b33c54cec458f916715f931f9bc2))
+* Char ([#474](https://www.github.com/grain-lang/grain/issues/474)) ([c9422f8](https://www.github.com/grain-lang/grain/commit/c9422f89573cc94081d2dd5f9e11ee17ec475668))
+* Char literals ([#477](https://www.github.com/grain-lang/grain/issues/477)) ([cf7eaa5](https://www.github.com/grain-lang/grain/commit/cf7eaa55d239fc7a524a85dc2d53bcfb233e8061))
+* Compile grainc to JS & create binaries with pkg ([#570](https://www.github.com/grain-lang/grain/issues/570)) ([f4919bd](https://www.github.com/grain-lang/grain/commit/f4919bdbab7dddd433b3f53bf8a8536a7efd5b03))
+* convert fallible List methods to return Option ([#460](https://www.github.com/grain-lang/grain/issues/460)) ([a08768e](https://www.github.com/grain-lang/grain/commit/a08768e85e94288c261746ede40842c833438faa))
+* Enable Binaryen optimizations ([#556](https://www.github.com/grain-lang/grain/issues/556)) ([50ebf74](https://www.github.com/grain-lang/grain/commit/50ebf74f98dedad89399424841de1427a8ac10ef))
+* Export compiled functions from modules ([#529](https://www.github.com/grain-lang/grain/issues/529)) ([e302049](https://www.github.com/grain-lang/grain/commit/e3020493cda821e8847e4517e4d2d137f7d24a7c))
+* Grain implementation of Char and String libraries ([#559](https://www.github.com/grain-lang/grain/issues/559)) ([7424cc5](https://www.github.com/grain-lang/grain/commit/7424cc5befe5c3416c26c5e943cc064329eac025))
+* Grain implementation of equals ([#538](https://www.github.com/grain-lang/grain/issues/538)) ([09617bc](https://www.github.com/grain-lang/grain/commit/09617bca84e503935ef33e3f7f523a0fce7c4f17))
+* Grain implementation of hashing ([#557](https://www.github.com/grain-lang/grain/issues/557)) ([40723fc](https://www.github.com/grain-lang/grain/commit/40723fca645f147b98eea83ffc11bd53359ce29a))
+* Grain implementation of memory allocator ([#530](https://www.github.com/grain-lang/grain/issues/530)) ([fd8faaa](https://www.github.com/grain-lang/grain/commit/fd8faaa1425d398c55af36c9cdd77a59cf2eeccf))
+* Grain implementation of memory manager ([#534](https://www.github.com/grain-lang/grain/issues/534)) ([cea6dcc](https://www.github.com/grain-lang/grain/commit/cea6dccaf45e8bdd07eb6c674f30c53a50f37a19))
+* Grain implementation of number runtime ([#537](https://www.github.com/grain-lang/grain/issues/537)) ([94460c0](https://www.github.com/grain-lang/grain/commit/94460c0aa83c737278f14bde2d2651bf6f8d9798))
+* Grain implementation of toString/print ([#540](https://www.github.com/grain-lang/grain/issues/540)) ([8c77905](https://www.github.com/grain-lang/grain/commit/8c779059c4a2a71d0ccacc51d946dde2d48d6623))
+* Grain wasi bindings ([#562](https://www.github.com/grain-lang/grain/issues/562)) ([323006b](https://www.github.com/grain-lang/grain/commit/323006b7a3e12194b252bcbad2ef8a3eb8e1f043))
+* Implement low-level wasm i32/i64/f32/f64 libraries ([#517](https://www.github.com/grain-lang/grain/issues/517)) ([721d011](https://www.github.com/grain-lang/grain/commit/721d011abeb79b86516bbb145e5424abfc11b1d4))
+* Implement String.indexOf, String.explode, and String.split ([#450](https://www.github.com/grain-lang/grain/issues/450)) ([6dc5466](https://www.github.com/grain-lang/grain/commit/6dc54666db1417ce4afa998c663754089d497676))
+* Implement support for printing in Grain ([#561](https://www.github.com/grain-lang/grain/issues/561)) ([bfe471c](https://www.github.com/grain-lang/grain/commit/bfe471c668ee5838bde8a307bfc0f5d650a9b594))
+* Normalized wasm exports for linked modules ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* Optimize local mutations ([#527](https://www.github.com/grain-lang/grain/issues/527)) ([65a1947](https://www.github.com/grain-lang/grain/commit/65a1947f3f87099a324dd7c00b14ff3affba8a0f))
+* Optimize number to string conversions by writing UTF8 directly ([#539](https://www.github.com/grain-lang/grain/issues/539)) ([f18d26e](https://www.github.com/grain-lang/grain/commit/f18d26ef0129440ef5a6a8d072d8bdc1c3990c2f))
+* Pattern matching on arrays ([#478](https://www.github.com/grain-lang/grain/issues/478)) ([681dddf](https://www.github.com/grain-lang/grain/commit/681dddfc0dbf4d98523574e8ac334b4635bef5e1))
+* Static linking of Grain modules ([#584](https://www.github.com/grain-lang/grain/issues/584)) ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* statically link MinGW libraries on Windows ([#438](https://www.github.com/grain-lang/grain/issues/438)) ([a154ac3](https://www.github.com/grain-lang/grain/commit/a154ac384d19768a3d30f5ace3898f390dcee20f))
+* **stdlib:** add Stack module ([#491](https://www.github.com/grain-lang/grain/issues/491)) ([8310d33](https://www.github.com/grain-lang/grain/commit/8310d337cb8c99135b9eb00e6bc9634b896762c7))
+* **stdlib:** Implement Char toString ([#481](https://www.github.com/grain-lang/grain/issues/481)) ([37ba683](https://www.github.com/grain-lang/grain/commit/37ba683bb177a59ae43101a7abac5f8dc0e935c4))
+* **stdlib:** String.implode ([#489](https://www.github.com/grain-lang/grain/issues/489)) ([045077b](https://www.github.com/grain-lang/grain/commit/045077bedbc5585bc26385af3750e50b0e055852))
+* Support for more WebAssembly runtimes, including Wasmtime and Wasmer ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* Update assignment semantics ([#560](https://www.github.com/grain-lang/grain/issues/560)) ([03a3217](https://www.github.com/grain-lang/grain/commit/03a3217fb7bc755407917991e0ebac3a66ea071e))
+* upgrade binaryen to 0.4.0 & update test invocation to work with it ([#435](https://www.github.com/grain-lang/grain/issues/435)) ([fbf52a8](https://www.github.com/grain-lang/grain/commit/fbf52a82636e9d823a0a6ee1767eac16f7030f82))
+* Upgrade to Binaryen 100 ([#541](https://www.github.com/grain-lang/grain/issues/541)) ([6d1fc53](https://www.github.com/grain-lang/grain/commit/6d1fc5394d52135a4ca483d4d1d089e0d1198b7f))
+* Use Grain exceptions instead of JS exceptions ([#565](https://www.github.com/grain-lang/grain/issues/565)) ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* Use real wasm tail call instruction ([#510](https://www.github.com/grain-lang/grain/issues/510)) ([9c9ffe4](https://www.github.com/grain-lang/grain/commit/9c9ffe48d78ed315f0a406d704c7a0fdbb116f1f))
+
+
+### Bug Fixes
+
+* `export *` with exceptions ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* Allow bodiless blocks ([#444](https://www.github.com/grain-lang/grain/issues/444)) ([ecfc70f](https://www.github.com/grain-lang/grain/commit/ecfc70fb1af70ce9fe465d20807275853a099756))
+* and/or short circuiting ([#536](https://www.github.com/grain-lang/grain/issues/536)) ([38ad495](https://www.github.com/grain-lang/grain/commit/38ad4952be827d289145c75ec71cb383221ee822))
+* **compiler:** Always get little endian i64 from bytes ([#587](https://www.github.com/grain-lang/grain/issues/587)) ([1b9853a](https://www.github.com/grain-lang/grain/commit/1b9853ad3ebc91c1022efbf484532254c67c845e))
+* Correct type signature for `_start` ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* Don't optimize away expressions which could possibly contain side effects ([#523](https://www.github.com/grain-lang/grain/issues/523)) ([acc7d65](https://www.github.com/grain-lang/grain/commit/acc7d655621a1397481a10e8840c547ae5690d2b))
+* **grainc:** Only print compiler backtraces in debug mode ([#588](https://www.github.com/grain-lang/grain/issues/588)) ([f5145ff](https://www.github.com/grain-lang/grain/commit/f5145ff5eb931ec017228c08d6516384dae6b0e5))
+* loop body typechecking ([#533](https://www.github.com/grain-lang/grain/issues/533)) ([18e68ea](https://www.github.com/grain-lang/grain/commit/18e68eaf8f617c3cafa8d7aa5427ba01bead7172))
+* Multiline char locs ([#484](https://www.github.com/grain-lang/grain/issues/484)) ([1e4a691](https://www.github.com/grain-lang/grain/commit/1e4a6919568f554bd1f1b5b9adc5ade9c8ff42b8))
+* Multiline string locs ([#482](https://www.github.com/grain-lang/grain/issues/482)) ([d3eccee](https://www.github.com/grain-lang/grain/commit/d3ecceefaf49b8e3ffe9d6421f875268b4fecd85))
+* normalize filesystem paths to always use / separator ([#433](https://www.github.com/grain-lang/grain/issues/433)) ([084a485](https://www.github.com/grain-lang/grain/commit/084a485570d69b2600ed0eb2da37dacb5d18edaf))
+* One-sided if results in any type ([#531](https://www.github.com/grain-lang/grain/issues/531)) ([d85659b](https://www.github.com/grain-lang/grain/commit/d85659b7d1b6d3fa8f0dc77ac515695e173660f7))
+* Only backpatch closures for let-bindings ([#428](https://www.github.com/grain-lang/grain/issues/428)) ([98a0b0b](https://www.github.com/grain-lang/grain/commit/98a0b0b92a22cd37d753d09988ef5032526c5ab5))
+* Parsing of conditional assignment with binary operators ([#572](https://www.github.com/grain-lang/grain/issues/572)) ([17fd4fa](https://www.github.com/grain-lang/grain/commit/17fd4fa7e2d14d0392c98924625248ed6fd20b9a))
+* Properly incRef exception printers ([#581](https://www.github.com/grain-lang/grain/issues/581)) ([61c2a94](https://www.github.com/grain-lang/grain/commit/61c2a94dbe38ff074e6b53395c403d30996b60a0))
+* remove `^` as unbox operator (fixes [#183](https://www.github.com/grain-lang/grain/issues/183)) ([#426](https://www.github.com/grain-lang/grain/issues/426)) ([08b6b05](https://www.github.com/grain-lang/grain/commit/08b6b057a98a6a81c10d0856e27735dc6d5bdef0))
+* Reset type vars when printing types ([#420](https://www.github.com/grain-lang/grain/issues/420)) ([bb17787](https://www.github.com/grain-lang/grain/commit/bb17787ce8b183569053b51f7d0ef0e88a1550bd))
+* **runtime:** Properly decRef record and array values ([#500](https://www.github.com/grain-lang/grain/issues/500)) ([88adb94](https://www.github.com/grain-lang/grain/commit/88adb942ecf5425b74540a9cddbcb775128d97eb))
+* set test sharding to 1 in attempt to avoid test race condition ([#440](https://www.github.com/grain-lang/grain/issues/440)) ([3783ec6](https://www.github.com/grain-lang/grain/commit/3783ec62efbe5b7b76d14cd070e17e99f7737cca))
+* temporarily disable inline tests ([#434](https://www.github.com/grain-lang/grain/issues/434)) ([0bc446a](https://www.github.com/grain-lang/grain/commit/0bc446a4149942416e8d439a223c0d39f7c028d4))
+* Throwing an exception now traps immediately in all cases ([61c2a94](https://www.github.com/grain-lang/grain/commit/61c2a94dbe38ff074e6b53395c403d30996b60a0))
+* Tidy up type printing ([#417](https://www.github.com/grain-lang/grain/issues/417)) ([14c7bd6](https://www.github.com/grain-lang/grain/commit/14c7bd6cbfa497e4a0f691288415865e865beb7d))
+* Use Is instead of Eq for match variant comparison ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* Use proper return type for calls to external functions ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* word-size independent LEB input byte checking ([#567](https://www.github.com/grain-lang/grain/issues/567)) ([4079824](https://www.github.com/grain-lang/grain/commit/407982444aea158dccfd226d64cb94b3b60ba938))
+
+
+### Miscellaneous Chores
+
+* Introduce `_gmain` for old behavior of `_start` ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* Refactor value tags ([#526](https://www.github.com/grain-lang/grain/issues/526)) ([9b21d22](https://www.github.com/grain-lang/grain/commit/9b21d22e403f37d0cfb89891f9c31f40f03ae061))
+* Rename `registerBasePrinter` to `dangerouslyRegisterBasePrinter` in runtime/exception ([61c2a94](https://www.github.com/grain-lang/grain/commit/61c2a94dbe38ff074e6b53395c403d30996b60a0))
+* **runtime:** Print strings without quotes ([#495](https://www.github.com/grain-lang/grain/issues/495)) ([16671c2](https://www.github.com/grain-lang/grain/commit/16671c2448044bfc20eec32800b4a49ee6f2bb4e))
+* **stdlib:** Ensure string methods are data-last ([#494](https://www.github.com/grain-lang/grain/issues/494)) ([f871efc](https://www.github.com/grain-lang/grain/commit/f871efc8943c640c377fae369d7704844d3f86a4))
+* Tail calls must be enabled explicitly via `--experimental-wasm-tail-call` ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
diff --git a/compiler/dune-project b/compiler/dune-project
index aa84ba2763..c32f04eaf3 100644
--- a/compiler/dune-project
+++ b/compiler/dune-project
@@ -1,6 +1,6 @@
 (lang dune 2.0)
 (name grain)
-(version 0.2.0)
+(version 0.3.0)
 
 ; Flip this to `true` when we want to generate opam files again
 (generate_opam_files false)
diff --git a/compiler/esy.json b/compiler/esy.json
index 93d385ab92..6e06d3d9e0 100644
--- a/compiler/esy.json
+++ b/compiler/esy.json
@@ -1,6 +1,6 @@
 {
   "name": "@grain/compiler",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "esy": {
     "build": [
       "dune build --no-buffer"
diff --git a/compiler/package.json b/compiler/package.json
index 22b4246089..1ad6b46a6c 100644
--- a/compiler/package.json
+++ b/compiler/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@grain/compiler",
   "private": true,
-  "version": "0.2.0",
+  "version": "0.3.0",
   "bin": {
     "grainc": "_esy/default/build/install/default/bin/grainc"
   },
diff --git a/package.json b/package.json
index 904adcdc80..a13198688a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "grain",
   "private": true,
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "The Grain monorepo.",
   "workspaces": [
     "cli",
diff --git a/runtime/CHANGELOG.md b/runtime/CHANGELOG.md
new file mode 100644
index 0000000000..ec50c97bd4
--- /dev/null
+++ b/runtime/CHANGELOG.md
@@ -0,0 +1,54 @@
+# Changelog
+
+## [0.3.0](https://www.github.com/grain-lang/grain/compare/runtime-v0.2.0...runtime-v0.3.0) (2021-04-19)
+
+
+### ⚠ BREAKING CHANGES
+
+* Correct type signature for `_start`
+* Introduce `_gmain` for old behavior of `_start`
+* Tail calls must be enabled explicitly via `--experimental-wasm-tail-call`
+* Static linking of Grain modules (#584)
+* Streamline runtime dependencies & entrypoints (#585)
+* Use Grain exceptions instead of JS exceptions (#565)
+* Grain implementation of memory allocator (#530)
+* Refactor value tags (#526)
+* Char (#474)
+* Rework memory management (#461)
+
+### Features
+
+* Add ability to `throw` exceptions ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* Add ability to register custom exception printers ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* Add Exception stdlib with Exception.registerPrinter ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* Add support for loading Grain modules directly from an ArrayBuffer and running them ([f07f305](https://www.github.com/grain-lang/grain/commit/f07f30541b5d5d4e579db2d5e41b15841fc4ebbc))
+* allow setting the initial memory via CLI option ([#448](https://www.github.com/grain-lang/grain/issues/448)) ([213ee5a](https://www.github.com/grain-lang/grain/commit/213ee5a2736a71eb6a62a28bd60f338e196ea265))
+* Char ([#474](https://www.github.com/grain-lang/grain/issues/474)) ([c9422f8](https://www.github.com/grain-lang/grain/commit/c9422f89573cc94081d2dd5f9e11ee17ec475668))
+* Grain implementation of equals ([#538](https://www.github.com/grain-lang/grain/issues/538)) ([09617bc](https://www.github.com/grain-lang/grain/commit/09617bca84e503935ef33e3f7f523a0fce7c4f17))
+* Grain implementation of memory allocator ([#530](https://www.github.com/grain-lang/grain/issues/530)) ([fd8faaa](https://www.github.com/grain-lang/grain/commit/fd8faaa1425d398c55af36c9cdd77a59cf2eeccf))
+* Grain implementation of memory manager ([#534](https://www.github.com/grain-lang/grain/issues/534)) ([cea6dcc](https://www.github.com/grain-lang/grain/commit/cea6dccaf45e8bdd07eb6c674f30c53a50f37a19))
+* Grain implementation of toString/print ([#540](https://www.github.com/grain-lang/grain/issues/540)) ([8c77905](https://www.github.com/grain-lang/grain/commit/8c779059c4a2a71d0ccacc51d946dde2d48d6623))
+* Implement support for printing in Grain ([#561](https://www.github.com/grain-lang/grain/issues/561)) ([bfe471c](https://www.github.com/grain-lang/grain/commit/bfe471c668ee5838bde8a307bfc0f5d650a9b594))
+* Normalized wasm exports for linked modules ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* Static linking of Grain modules ([#584](https://www.github.com/grain-lang/grain/issues/584)) ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* Support for more WebAssembly runtimes, including Wasmtime and Wasmer ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* Use Grain exceptions instead of JS exceptions ([#565](https://www.github.com/grain-lang/grain/issues/565)) ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+
+
+### Bug Fixes
+
+* `export *` with exceptions ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* Correct type signature for `_start` ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* Rework memory management ([#461](https://www.github.com/grain-lang/grain/issues/461)) ([84318b0](https://www.github.com/grain-lang/grain/commit/84318b01a21137492e9728f346680225f1d1ea9a))
+* **runtime:** Properly decRef record and array values ([#500](https://www.github.com/grain-lang/grain/issues/500)) ([88adb94](https://www.github.com/grain-lang/grain/commit/88adb942ecf5425b74540a9cddbcb775128d97eb))
+* Use Is instead of Eq for match variant comparison ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* Use proper return type for calls to external functions ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* utilize path.join to create filesystem paths in default locator ([#432](https://www.github.com/grain-lang/grain/issues/432)) ([8aa4fa0](https://www.github.com/grain-lang/grain/commit/8aa4fa0e454dfbfc828e27f6b0cc6ed042d22a3b))
+
+
+### Miscellaneous Chores
+
+* Introduce `_gmain` for old behavior of `_start` ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
+* Refactor value tags ([#526](https://www.github.com/grain-lang/grain/issues/526)) ([9b21d22](https://www.github.com/grain-lang/grain/commit/9b21d22e403f37d0cfb89891f9c31f40f03ae061))
+* Streamline runtime dependencies & entrypoints ([#585](https://www.github.com/grain-lang/grain/issues/585)) ([bbdd38d](https://www.github.com/grain-lang/grain/commit/bbdd38d5f4e5958aa10d602ba6b57a588024b050))
+* Tail calls must be enabled explicitly via `--experimental-wasm-tail-call` ([3d4ac6e](https://www.github.com/grain-lang/grain/commit/3d4ac6edd1b805d7cada5e6fa951bb6afb0467d9))
diff --git a/runtime/package.json b/runtime/package.json
index bc85f5f8d5..6f51d99a50 100644
--- a/runtime/package.json
+++ b/runtime/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@grain/runtime",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "The JavaScript runtime for the Grain language.",
   "main": "dist/grain-runtime.js",
   "browser": "dist/grain-runtime-browser.js",
diff --git a/stdlib/CHANGELOG.md b/stdlib/CHANGELOG.md
new file mode 100644
index 0000000000..829a973fe3
--- /dev/null
+++ b/stdlib/CHANGELOG.md
@@ -0,0 +1,80 @@
+# Changelog
+
+## [0.3.0](https://www.github.com/grain-lang/grain/compare/stdlib-v0.2.0...stdlib-v0.3.0) (2021-04-19)
+
+
+### ⚠ BREAKING CHANGES
+
+* **stdlib:** Replace JS entrypoint with locator file (#586)
+* Rename `registerBasePrinter` to `dangerouslyRegisterBasePrinter` in runtime/exception
+* Use Grain exceptions instead of JS exceptions (#565)
+* Update assignment semantics (#560)
+* Grain implementation of memory allocator (#530)
+* Refactor value tags (#526)
+* **stdlib:** Ensure string methods are data-last (#494)
+* **runtime:** Print strings without quotes (#495)
+* Char literals (#477)
+* Char (#474)
+* Rework memory management (#461)
+* convert fallible List methods to return Option (#460)
+* change return type of Array.find/findIndex to Option (#459)
+* Add support for bitwise operators (#425)
+* remove `^` as unbox operator (fixes #183) (#426)
+
+### Features
+
+* Add ability to `throw` exceptions ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* Add ability to register custom exception printers ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* Add Exception stdlib with Exception.registerPrinter ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* add initial Range stdlib module ([#456](https://www.github.com/grain-lang/grain/issues/456)) ([508f23c](https://www.github.com/grain-lang/grain/commit/508f23c32ad9b713843b3fb35dc3c9ac308303e9))
+* add List.init to stdlib ([#465](https://www.github.com/grain-lang/grain/issues/465)) ([6b833d8](https://www.github.com/grain-lang/grain/commit/6b833d839deaa81c9d755ebf2da61e36688cd8ee))
+* add reduce/flatMap/every/some to Array stdlib ([#455](https://www.github.com/grain-lang/grain/issues/455)) ([51a7a80](https://www.github.com/grain-lang/grain/commit/51a7a80b92ebe5e369660b293dd1d954aea56b9b))
+* add reducei/counti/filter/filteri/unique to Array stdlib ([#473](https://www.github.com/grain-lang/grain/issues/473)) ([3e70cd5](https://www.github.com/grain-lang/grain/commit/3e70cd5c70aa12f14b6de1381f7cb38e88bbb890))
+* add Set stdlib module ([#466](https://www.github.com/grain-lang/grain/issues/466)) ([2eb2604](https://www.github.com/grain-lang/grain/commit/2eb2604b1eeac6cf9f1d9cc6a6e11772bfc956c8))
+* Add support for bitwise operators ([#425](https://www.github.com/grain-lang/grain/issues/425)) ([5c2b8bf](https://www.github.com/grain-lang/grain/commit/5c2b8bf0e97db35c98918e115e9d7cc48425fded))
+* add update method to map stdlib ([#421](https://www.github.com/grain-lang/grain/issues/421)) ([292b5f9](https://www.github.com/grain-lang/grain/commit/292b5f9bbf1ea84b0540fe828fb1e3dba712340f))
+* change return type of Array.find/findIndex to Option ([#459](https://www.github.com/grain-lang/grain/issues/459)) ([aa3767d](https://www.github.com/grain-lang/grain/commit/aa3767d5d429b33c54cec458f916715f931f9bc2))
+* Char ([#474](https://www.github.com/grain-lang/grain/issues/474)) ([c9422f8](https://www.github.com/grain-lang/grain/commit/c9422f89573cc94081d2dd5f9e11ee17ec475668))
+* Char literals ([#477](https://www.github.com/grain-lang/grain/issues/477)) ([cf7eaa5](https://www.github.com/grain-lang/grain/commit/cf7eaa55d239fc7a524a85dc2d53bcfb233e8061))
+* Compile grainc to JS & create binaries with pkg ([#570](https://www.github.com/grain-lang/grain/issues/570)) ([f4919bd](https://www.github.com/grain-lang/grain/commit/f4919bdbab7dddd433b3f53bf8a8536a7efd5b03))
+* convert fallible List methods to return Option ([#460](https://www.github.com/grain-lang/grain/issues/460)) ([a08768e](https://www.github.com/grain-lang/grain/commit/a08768e85e94288c261746ede40842c833438faa))
+* Grain implementation of Char and String libraries ([#559](https://www.github.com/grain-lang/grain/issues/559)) ([7424cc5](https://www.github.com/grain-lang/grain/commit/7424cc5befe5c3416c26c5e943cc064329eac025))
+* Grain implementation of equals ([#538](https://www.github.com/grain-lang/grain/issues/538)) ([09617bc](https://www.github.com/grain-lang/grain/commit/09617bca84e503935ef33e3f7f523a0fce7c4f17))
+* Grain implementation of hashing ([#557](https://www.github.com/grain-lang/grain/issues/557)) ([40723fc](https://www.github.com/grain-lang/grain/commit/40723fca645f147b98eea83ffc11bd53359ce29a))
+* Grain implementation of memory allocator ([#530](https://www.github.com/grain-lang/grain/issues/530)) ([fd8faaa](https://www.github.com/grain-lang/grain/commit/fd8faaa1425d398c55af36c9cdd77a59cf2eeccf))
+* Grain implementation of memory manager ([#534](https://www.github.com/grain-lang/grain/issues/534)) ([cea6dcc](https://www.github.com/grain-lang/grain/commit/cea6dccaf45e8bdd07eb6c674f30c53a50f37a19))
+* Grain implementation of number libraries ([#542](https://www.github.com/grain-lang/grain/issues/542)) ([d90d38b](https://www.github.com/grain-lang/grain/commit/d90d38b8e5756ea15f90504652af5698cb8822f8))
+* Grain implementation of number runtime ([#537](https://www.github.com/grain-lang/grain/issues/537)) ([94460c0](https://www.github.com/grain-lang/grain/commit/94460c0aa83c737278f14bde2d2651bf6f8d9798))
+* Grain implementation of toString/print ([#540](https://www.github.com/grain-lang/grain/issues/540)) ([8c77905](https://www.github.com/grain-lang/grain/commit/8c779059c4a2a71d0ccacc51d946dde2d48d6623))
+* Grain wasi bindings ([#562](https://www.github.com/grain-lang/grain/issues/562)) ([323006b](https://www.github.com/grain-lang/grain/commit/323006b7a3e12194b252bcbad2ef8a3eb8e1f043))
+* Implement low-level wasm i32/i64/f32/f64 libraries ([#517](https://www.github.com/grain-lang/grain/issues/517)) ([721d011](https://www.github.com/grain-lang/grain/commit/721d011abeb79b86516bbb145e5424abfc11b1d4))
+* Implement String.indexOf, String.explode, and String.split ([#450](https://www.github.com/grain-lang/grain/issues/450)) ([6dc5466](https://www.github.com/grain-lang/grain/commit/6dc54666db1417ce4afa998c663754089d497676))
+* Implement support for printing in Grain ([#561](https://www.github.com/grain-lang/grain/issues/561)) ([bfe471c](https://www.github.com/grain-lang/grain/commit/bfe471c668ee5838bde8a307bfc0f5d650a9b594))
+* Optimize number to string conversions by writing UTF8 directly ([#539](https://www.github.com/grain-lang/grain/issues/539)) ([f18d26e](https://www.github.com/grain-lang/grain/commit/f18d26ef0129440ef5a6a8d072d8bdc1c3990c2f))
+* **stdlib:** add Stack module ([#491](https://www.github.com/grain-lang/grain/issues/491)) ([8310d33](https://www.github.com/grain-lang/grain/commit/8310d337cb8c99135b9eb00e6bc9634b896762c7))
+* **stdlib:** Implement Char toString ([#481](https://www.github.com/grain-lang/grain/issues/481)) ([37ba683](https://www.github.com/grain-lang/grain/commit/37ba683bb177a59ae43101a7abac5f8dc0e935c4))
+* **stdlib:** String.implode ([#489](https://www.github.com/grain-lang/grain/issues/489)) ([045077b](https://www.github.com/grain-lang/grain/commit/045077bedbc5585bc26385af3750e50b0e055852))
+* Update assignment semantics ([#560](https://www.github.com/grain-lang/grain/issues/560)) ([03a3217](https://www.github.com/grain-lang/grain/commit/03a3217fb7bc755407917991e0ebac3a66ea071e))
+* Use Grain exceptions instead of JS exceptions ([#565](https://www.github.com/grain-lang/grain/issues/565)) ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+
+
+### Bug Fixes
+
+* `export *` with exceptions ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+* Can't use memory.data ([#480](https://www.github.com/grain-lang/grain/issues/480)) ([1a4c3b9](https://www.github.com/grain-lang/grain/commit/1a4c3b9ff32d261aaf1a3670b14904c90ed22f76))
+* loop body typechecking ([#533](https://www.github.com/grain-lang/grain/issues/533)) ([18e68ea](https://www.github.com/grain-lang/grain/commit/18e68eaf8f617c3cafa8d7aa5427ba01bead7172))
+* Properly incRef exception printers ([#581](https://www.github.com/grain-lang/grain/issues/581)) ([61c2a94](https://www.github.com/grain-lang/grain/commit/61c2a94dbe38ff074e6b53395c403d30996b60a0))
+* remove `^` as unbox operator (fixes [#183](https://www.github.com/grain-lang/grain/issues/183)) ([#426](https://www.github.com/grain-lang/grain/issues/426)) ([08b6b05](https://www.github.com/grain-lang/grain/commit/08b6b057a98a6a81c10d0856e27735dc6d5bdef0))
+* Rework memory management ([#461](https://www.github.com/grain-lang/grain/issues/461)) ([84318b0](https://www.github.com/grain-lang/grain/commit/84318b01a21137492e9728f346680225f1d1ea9a))
+* Throwing an exception now traps immediately in all cases ([61c2a94](https://www.github.com/grain-lang/grain/commit/61c2a94dbe38ff074e6b53395c403d30996b60a0))
+* use direct node call instead of executable file ([#431](https://www.github.com/grain-lang/grain/issues/431)) ([747ee8d](https://www.github.com/grain-lang/grain/commit/747ee8d8938b112befc018d81111f244c6884c18))
+* Use Is instead of Eq for match variant comparison ([1f1cd4a](https://www.github.com/grain-lang/grain/commit/1f1cd4a90f853a2c6290e736043d008643f768f7))
+
+
+### Miscellaneous Chores
+
+* Refactor value tags ([#526](https://www.github.com/grain-lang/grain/issues/526)) ([9b21d22](https://www.github.com/grain-lang/grain/commit/9b21d22e403f37d0cfb89891f9c31f40f03ae061))
+* Rename `registerBasePrinter` to `dangerouslyRegisterBasePrinter` in runtime/exception ([61c2a94](https://www.github.com/grain-lang/grain/commit/61c2a94dbe38ff074e6b53395c403d30996b60a0))
+* **runtime:** Print strings without quotes ([#495](https://www.github.com/grain-lang/grain/issues/495)) ([16671c2](https://www.github.com/grain-lang/grain/commit/16671c2448044bfc20eec32800b4a49ee6f2bb4e))
+* **stdlib:** Ensure string methods are data-last ([#494](https://www.github.com/grain-lang/grain/issues/494)) ([f871efc](https://www.github.com/grain-lang/grain/commit/f871efc8943c640c377fae369d7704844d3f86a4))
+* **stdlib:** Replace JS entrypoint with locator file ([#586](https://www.github.com/grain-lang/grain/issues/586)) ([a9ec7e2](https://www.github.com/grain-lang/grain/commit/a9ec7e237f22fe4eb507919972f4c41aa5eed55b))
diff --git a/stdlib/package.json b/stdlib/package.json
index 509521e4d8..48100d2a04 100644
--- a/stdlib/package.json
+++ b/stdlib/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@grain/stdlib",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "The standard library for the Grain language.",
   "main": "index.js",
   "engines": {