* the annoying empty black scene overlay box shown even when nothing is selected ([bdeeabb](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/bdeeabbbe140b0ba80fac7ac477874c2467d3a16))
* add `Enabled` toggle in overlay window ([f97e619](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f97e6195e62b5acfa8f3e97bfe3bc4a7dcadf38a))
* if `m_Particles` contains null, an error will occur ([550d0c4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/550d0c43be35cd07e390ffd5749557c89fee0332)), closes [#214](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/214)
* ParticleSystem reordering and refreshing in inspector does not work for prefab asset ([7eb4112](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7eb41124db06ea794db76788b35ce82a0af2c402))
* refresh button does not works in prefab edit mode ([c1538a8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c1538a83998608a30dc90944b05f8b75e165cf05)), closes [#214](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/214)
* when `UIParticlrRenderer` destroy manually, an error will occur ([a11d2d0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a11d2d01ce5f67e3f430bcb0bfdee1ad9abf7cfe))
* error on drag prefab to scene ([fa2f867](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fa2f867bcaff437bb9420da1abcef970cdb09ade)), closes [#211](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/211)
* error on editor ([8034228](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/80342287137c07d58a7492875a401d80cb134073)), closes [#210](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/210)
* incorrect position of world space trail particles ([fb7f308](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fb7f308f092db8a1512383857b80110cd626ecf9)), closes [#209](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/209)
* overlays do not exist in Unity 2019.2-2021.1 ([cd8e037](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/cd8e0372b63bb6feaaf053518013a641bc7e65ac)), closes [#207](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/207) [#208](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/208)
* correct world space particle position when changing screen size ([c6644a2](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c6644a213263375c7a35b5082ef4b71cc58964e6))
* display warning in inspector if using 'TEXCOORD*.zw' components as custom vertex stream ([59221d5](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/59221d58217a440b77d504e6428bf99f10246260))
* mesh sharing group ([9afeebf](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9afeebf67212cdf4d3ac9e9a3b78a7ced5c7ecfe))
* random mesh sharing group ([4fa43ed](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4fa43eda4bc70c9c827c4fad9d5ae1327bfbc322))
* support 8+ materials ([b76bf5a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b76bf5a5ad378c3c4b16bcf08d21337757557101)), closes [#122](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/122) [#152](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/152) [#186](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/186)
### BREAKING CHANGES
* If you update to v4, you may be required to adjust your UIParticle.scale.
* correct world space particle position when changing screen size ([c6644a2](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c6644a213263375c7a35b5082ef4b71cc58964e6))
* always display materials in inspector ([a10042d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a10042d989dea18ff010bdbe970aa434e2bdf117))
* UNITY_UI_ALPHACLIP in UIAdditive shader is not working ([e817e8d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e817e8d3c75188f3243243855b135bd840699199))
* sorting by layer does not work properly ([ccc09e6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ccc09e6aca2fa3d7bc887e6c733e66706e40ae0f))
* when using linear color space, the particle colors are not output correctly ([11c3a7b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/11c3a7b37415d78e1b8ba3988a6e043c9f1861e0)), closes [#203](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/203)
* annoying warning for [ExecuteInEditMode] ([b6b2c72](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b6b2c72b198566e2880a22831c937eff7e9eff28)), closes [#180](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/180)
* PrefabStageUtility class is not experimental after 2021.2 ([0fd5d7a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0fd5d7affe707fa9e92abd6e192bf400dfb1a80a))
* Refresh() will be called multiple times in the same frame, due to external assets ([0b9d80d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0b9d80da939580c72ca1471081d7a034edc985d4))
* In rare cases, the generated camera (for baking) will not be deactivated ([12c748a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/12c748a8cd4adfd2dc5f085cec77050431f261a4))
* remove from "Add Component" menu ([476c402](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/476c4027ff5f70fb9b4c026dd5fc59bf5a876227))
* fix cached position for pre-warmed particles ([e3f42d7](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e3f42d747a7fd973b5813cc72a9444943a6c3ad0))
* ParticleSystem creates particles in wrong position during pre-warm ([b93e0e4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b93e0e4701c7011176eeec5c109dda7f4ea632e0)), closes [#147](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/147)
* Multiselecting sets all scales to the same value ([13223b2](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/13223b2d747609cf88b424ad590bda7f857b387d))
* support sub emitter with 'PlayOnAwake' ([d5ce78a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/d5ce78ae5acf2740ba7fdc6cde9f197c4e165484))
* The maximum material count is 8 ([3bb5241](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3bb52412751360409747192150188ae904f2c3d3))
* ignore material check and transform check ([d11cd0a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/d11cd0a06d76a32b2a119387bddc34c703b9b497)), closes [#119](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/119)
* the trail is incorrect in SimulationSpace.Local ([9313489](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9313489552b30f2e2b0b42a641f5e0502995b03d))
* the particles may disappear unintentionally ([2ec81da](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2ec81da04877d63593dd863133b6da149dcd79e6)), closes [#117](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/117)
### Features
* ignore rendering of particle systems that do not have a SharedMaterial and TrailMaterial ([08c4aba](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/08c4aba8ab9b5a041d4350a72dae62d25530afca)), closes [#118](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/118)
* show/hide materials in inspector ([4b4aebf](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4b4aebff8cdaff9acc696a1094e170e65631135f))
* shrink rendering by material ([46a7ddd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/46a7dddd11c3e030192cd998ae1a79441f5e5c14)), closes [#113](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/113)
* compatibility with other IMaterialModifier ([08273cb](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/08273cb0c340ccb4f35120dc804c37d758da9ce1)), closes [#115](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/115)
* error on build in Unity 2019.3.11-15 ([68669c7](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/68669c739676f2354db4913a0e2296ab1715ee1f)), closes [#114](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/114)
* null Reference when creating New Scene after Prefab was open in PrefabMode ([22bcecd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/22bcecd0abd6ad651fcf066e5c9efe9a43fd217a)), closes [#111](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/111)
* fix the sorting algorithm ([7acbf22](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7acbf22b4de7c3b5251fbb720bb5b575946622f6))
* in rare cases, an IndexOutOfRangeException is thrown ([f7eac0a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f7eac0a34f07767dc04e035f97179cc30935284f))
* IgnoreCanvasScaler may be enabled unintentionally ([d9f9244](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/d9f9244e49127bea405c3cb802b588c1eae00831))
* an error happens during loading scene in editor ([ab9d9aa](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ab9d9aa7b3afcdbdda00004f7af3fd4827aaea54)), closes [#101](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/101)
* not working as expected in world simulation space ([683fcb4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/683fcb4ecdf8bfa0994571f5d6c3dd2bc242ca2a)), closes [#98](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/98)
* if the package was installed via openupm, an unintended directory 'Samples' was included ([1913de5](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1913de557743b9480f72c5378d13c284a4ac93f9))
* animatable properties not working ([5b8b0bd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/5b8b0bd28b251a7ea6e0cfa0c4b69bd7f9c4d953)), closes [#95](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/95)
* in rare cases, the particle size is incorrect with camera-space mode ([90593ac](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/90593ac021ce19d164927e44804354535db047bb)), closes [#93](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/93)
* trails material uses sprite texture ([9e65ee7](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9e65ee7345e16b5124e94d26f5749999c648f677)), closes [#92](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/92)
* ignore missing object on initialize ([8bd9b62](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8bd9b621b9efcd242c410405d066494a1d53f9a3))
* not masked ([4ef5947](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4ef5947baa325002aecd1ccbdc75056a6567f14b))
* in Unity 2018.2, PrefabStageUtility is not found ([0b6dcff](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0b6dcff5d6356db497532daa0a26804852e8de24))
* removed UIParticle will be saved in prefab mode ([08e2d51](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/08e2d51c73a294d44974e7fba35e2477f04e6860))
* hide camera for baking ([30b4703](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/30b4703e2a1746efc4b7db154354f80fd0593b98))
* In ignore canvas scaler mode, Transform.localScale is zero ([cc71f2b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/cc71f2bdac1a61fd5e5fc85d0a69589e05a0f79d)), closes [#89](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/89)
* In prefab mode, an error occurs ([a222f37](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a222f3710b530c7fc9fab10f25bd28d820ffebe2)), closes [#88](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/88)
* the default value of IgnoreCanvasScaler is true ([966fae1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/966fae1d22a98259ec5aff68b4603b7c21dfdfc9))
* if in the mask, rendering material will be destroyed ([0db40cf](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0db40cf160b2a5a27c83ef15d648b2771a47b51a))
* baking camera settings for camera space ([436c5e4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/436c5e47f75c3e167dcd77c188847e9d7d6ea68d))
* fix local simulation ([7add9de](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7add9defb70be29ddbe536d854591c2e0d9e83fa))
* fix camera for baking mesh ([6395a4f](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/6395a4fa744a46551593185711d6545a94d8b456))
* The type or namespace name 'U2D' does not exist in the namespace 'UnityEditor.Experimental' in Unity 2019.3 or later ([930199e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/930199e5e42920825b27d5bf3e2b2a4bda77fa14)), closes [#82](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/82)
* texture sheet animation module Sprite mode not working ([30d1d5d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/30d1d5d3cc67234a8cd985e98f181aff2a8bd8ef)), closes [#79](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/79)
* An exception in the OnSceneGUI caused the scale of the transformation to change unintentionally ([75413e0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/75413e0e2cff42a85b73b33e17e0bb6344ecc8f6))
* read-only properties in the inspector ([f012b23](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f012b238d97aad3fdc3107b1f9a197de869c43e6))
* Added CanvasRenderer as a required component ([a8950f6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a8950f65c817be04b0be222c9728c716fdd7c658))
* If sprite is null, a null exception is thrown ([50c6e98](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/50c6e980ca37dda1bece5252162fa05ca3472ee8))
* fix displayed version in readme ([c29bbdd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c29bbddf8ad9a251d5f472b77cf85b3d432bba71))
* abnormal Mesh Bounds with Particle Trails ([518a749](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/518a7497105a114a0f6b1782df0c35ba0aecfab2)), closes [#61](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/61)
* multiple UIParticleOverlayCamera in scene ([3f09395](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3f093958b3353463d6c5bd29ef3338203d4e41d7)), closes [#73](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/73)
* particles not visible if scale.z is 0 ([35718e0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/35718e099acbb04fdadf131c7e4d2e6c3f4a1756)), closes [#64](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/64)
* workaround for [#70](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/70) ([4bbcc33](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4bbcc334abb7cd6db2897fad0bda219d5ea73530))
* change the text in the inspector to make it more understandable. ([7ca0b6f](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7ca0b6fa34c1168ef103992e1c69b68631b3bc60)), closes [#66](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/66)
* editor crashes when mesh is set to null when ParticleSystem.RenderMode=Mesh ([e5ebadd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e5ebadd84731716f82c63ac5ba3eb676720e3ad6)), closes [#69](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/69)
* getting massive errors on editor ([ef82fa8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ef82fa82a69894e643f0d257f99eb9177785f697)), closes [#67](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/67)
* heavy editor UI ([d3b470a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/d3b470a2be3a21add9e126b357e46bdfaa6f16c8))
* remove a menu to add overlay camera ([f5d3b6e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f5d3b6edb5687c4d465992ef5c3c0d54f7b36d74))
* rotating the particle rect may cause out of bounds ([3439842](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3439842119f334b50910c0a983e561944cc792a2)), closes [#55](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/55)
* scale will be decrease on editor ([0c59846](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0c59846f11438b12caad04ae5d5b544a28883ea6))
* UI darker than normal when change to linear color space ([db4d8a7](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/db4d8a742ca36c8dd2de6936b9cf2912c72d4b9f)), closes [#57](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/57)
* cache modified material ([6b397f3](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/6b397f39b89f40c4aae9c9f56706b3bc68a376be)), closes [#94](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/94)
* improve the material batching ([4be5666](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4be56669fb764bf61c0246a6e56d18640053b565))
* un-limit on the number of mesh instances ([f133881](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f1338813ca85d305f334799b78154e03b0aff60c))
* refresh children ParticleSystem with a gameObjects as root ([8bae1d0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8bae1d08cc6f00e2b8d6f336aad92233891da1e4))
* add API to bind ParticleSystem object ([a77bbd3](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a77bbd3a9a65d5fd1198bd8e580982ca8e07fca8))
* material batching ([8f703e6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8f703e6d2c0e8229ca14b25638dae5d91a5658c3))
* support AnimatableProperty for multiple materials ([062d988](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/062d9887fb8b096250ec3b43d9aa82637940a8bb))
* remove menu in inspector ([e7f8f51](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e7f8f512122a01423de415b55e3190d62bda146a))
* add menu to create UIParticle ([2fa1843](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2fa18431f0c8c4aeadfdd1cb98eeeef5ac6970a0))
* add play/pause/stop api ([f09a386](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f09a386bc59fbab8143f7f0b814c8684aea7f27c))
* support for changing rendering orders ([745d4a5](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/745d4a598846b3e77d1071433079fdd5140921a8))
* Support for child ParticleSystem rendering ([4ee90be](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4ee90be17c68bf405f81f432615a3eebaa022366))
* UIParticle for trail is no longer needed ([466e43c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/466e43cf931d211907419f804a90776a0d9f4906))
* add menu to create UIParticle ([14f1c78](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/14f1c782ff0f2b67d85d7c9ad0cf662da1dd1fc6))
* Combine baked meshes to improve performance ([633d058](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/633d058756fde776a7e5192a0f023adf6eb0ca7b))
* optimization for vertices transforms and adding node for trails ([e070e8d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e070e8d5ee205c25a1e3be5d3178821d4a8265d0)), closes [#75](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/75)
* option to ignoring canvas scaling ([fe85fed](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fe85fed3c0ad2881578ff68722863d65dfa4db7a))
* support 3d scaling ([42a84bc](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/42a84bc5e130aed3cf5e57dcd6a9d8dc94deb641))
* support custom simulation space ([a83e647](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a83e64761c008e88ff328a2609118806e97f19cf)), closes [#78](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/78)
* support for particle systems including trail only ([f389d39](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f389d39953c85b97482b12d1c8578ecaeddacd18)), closes [#61](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/61)
* add support for SpriteAtlas ([b31e325](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b31e325bb1ef0856cb1ac4c4b0c4da0f1578b8ba))
* add menu to import sample ([b8b1827](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b8b18273185769235101da01f5bbadbac188e387))
* delete unused file in package ([2e69974](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2e699749a8f0f620505621a13a628aa87f192875))
* material dirty on validate (on editor) ([fa34301](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fa3430130cdffa3f934e926645958ad9f19edc5d))
### Features
* display material properties in inspector ([313c1fc](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/313c1fc159429034f84b2e7c30424158c43b71e9)), closes [#104](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/104)
* support 3D scaling ([a508c3b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a508c3bb86ad6694722868303385b20adc914134)), closes [#105](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/105)
* do not bake particle system to mesh when the alpha is zero ([1775713](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1775713c2dbeef09ad3eb1f49b53cf44bf61d535)), closes [#102](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/102)
* in Unity 2018.x, sample import failed on Windows ([f5861b0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f5861b0add1477987d6b9a3db26979fde50930ad))
* an error happens during loading scene in editor ([ab9d9aa](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ab9d9aa7b3afcdbdda00004f7af3fd4827aaea54)), closes [#101](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/101)
* not working as expected in world simulation space ([683fcb4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/683fcb4ecdf8bfa0994571f5d6c3dd2bc242ca2a)), closes [#98](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/98)
* if the package was installed via openupm, an unintended directory 'Samples' was included ([1913de5](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1913de557743b9480f72c5378d13c284a4ac93f9))
* animatable properties not working ([5b8b0bd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/5b8b0bd28b251a7ea6e0cfa0c4b69bd7f9c4d953)), closes [#95](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/95)
* in rare cases, the particle size is incorrect with camera-space mode ([90593ac](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/90593ac021ce19d164927e44804354535db047bb)), closes [#93](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/93)
* trails material uses sprite texture ([9e65ee7](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9e65ee7345e16b5124e94d26f5749999c648f677)), closes [#92](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/92)
### Features
* refresh children ParticleSystem with a gameObjects as root ([8bae1d0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8bae1d08cc6f00e2b8d6f336aad92233891da1e4))
* ignore missing object on initialize ([8bd9b62](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8bd9b621b9efcd242c410405d066494a1d53f9a3))
### Features
* add API to bind ParticleSystem object ([a77bbd3](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a77bbd3a9a65d5fd1198bd8e580982ca8e07fca8))
* support AnimatableProperty for multiple materials ([062d988](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/062d9887fb8b096250ec3b43d9aa82637940a8bb))
* in Unity 2018.2, PrefabStageUtility is not found ([0b6dcff](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0b6dcff5d6356db497532daa0a26804852e8de24))
* removed UIParticle will be saved in prefab mode ([08e2d51](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/08e2d51c73a294d44974e7fba35e2477f04e6860))
* hide camera for baking ([30b4703](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/30b4703e2a1746efc4b7db154354f80fd0593b98))
* In ignore canvas scaler mode, Transform.localScale is zero ([cc71f2b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/cc71f2bdac1a61fd5e5fc85d0a69589e05a0f79d)), closes [#89](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/89)
* In prefab mode, an error occurs ([a222f37](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a222f3710b530c7fc9fab10f25bd28d820ffebe2)), closes [#88](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/88)
### Features
* remove menu in inspector ([e7f8f51](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e7f8f512122a01423de415b55e3190d62bda146a))
* the default value of IgnoreCanvasScaler is true ([966fae1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/966fae1d22a98259ec5aff68b4603b7c21dfdfc9))
* if in the mask, rendering material will be destroyed ([0db40cf](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0db40cf160b2a5a27c83ef15d648b2771a47b51a))
* support animatable material property (again) ([cf6ca80](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/cf6ca80d1273bcf49e18d805260afa8e36e94617))
* baking camera settings for camera space ([436c5e4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/436c5e47f75c3e167dcd77c188847e9d7d6ea68d))
* fix local simulation ([7add9de](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7add9defb70be29ddbe536d854591c2e0d9e83fa))
### Features
* add menu to create UIParticle ([2fa1843](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2fa18431f0c8c4aeadfdd1cb98eeeef5ac6970a0))
* add play/pause/stop api ([f09a386](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f09a386bc59fbab8143f7f0b814c8684aea7f27c))
* support for changing rendering orders ([745d4a5](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/745d4a598846b3e77d1071433079fdd5140921a8))
* Support for child ParticleSystem rendering ([4ee90be](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4ee90be17c68bf405f81f432615a3eebaa022366))
* UIParticle for trail is no longer needed ([466e43c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/466e43cf931d211907419f804a90776a0d9f4906))
* optimization for vertices transforms and adding node for trails ([e070e8d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e070e8d5ee205c25a1e3be5d3178821d4a8265d0)), closes [#75](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/75)
* option to ignoring canvas scaling ([fe85fed](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fe85fed3c0ad2881578ff68722863d65dfa4db7a))
* support 3d scaling ([42a84bc](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/42a84bc5e130aed3cf5e57dcd6a9d8dc94deb641))
* support custom simulation space ([a83e647](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a83e64761c008e88ff328a2609118806e97f19cf)), closes [#78](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/78)
* support for particle systems including trail only ([f389d39](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f389d39953c85b97482b12d1c8578ecaeddacd18)), closes [#61](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/61)
### BREAKING CHANGES
* The bake-task has changed significantly. It may look different from previous versions.
* The type or namespace name 'U2D' does not exist in the namespace 'UnityEditor.Experimental' in Unity 2019.3 or later ([930199e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/930199e5e42920825b27d5bf3e2b2a4bda77fa14)), closes [#82](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/82)
* An exception in the OnSceneGUI caused the scale of the transformation to change unintentionally ([75413e0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/75413e0e2cff42a85b73b33e17e0bb6344ecc8f6))
* read-only properties in the inspector ([f012b23](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f012b238d97aad3fdc3107b1f9a197de869c43e6))
* Added CanvasRenderer as a required component ([a8950f6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a8950f65c817be04b0be222c9728c716fdd7c658))
* inspector is broken in Unity 2020.1 ([26c5395](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/26c5395a45ff00e99e46ee4aae85c51df6c3641f))
### Features
* update OSC to 1.0.0-preview.25 ([22e116e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/22e116e11d3b8cf13b941e9a02a0ffce24e3e99f))
* Profiler.BeginSample -> Profiler.EndSample if a canvas is disabled or a camera doesn't found ([4a0a5d1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4a0a5d13be68e38d5b2e225156740aed27c52d12))
* If sprite is null, a null exception is thrown ([50c6e98](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/50c6e980ca37dda1bece5252162fa05ca3472ee8))
* abnormal Mesh Bounds with Particle Trails ([518a749](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/518a7497105a114a0f6b1782df0c35ba0aecfab2)), closes [#61](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/61)
* multiple UIParticleOverlayCamera in scene ([3f09395](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3f093958b3353463d6c5bd29ef3338203d4e41d7)), closes [#73](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/73)
* particles not visible if scale.z is 0 ([35718e0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/35718e099acbb04fdadf131c7e4d2e6c3f4a1756)), closes [#64](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/64)
* compile error in Unity 2019.1 or later ([28ca922](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/28ca922167afff3ef8341fa747968357d4487d1f)), closes [#70](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/70) [#71](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/71)
* workaround for [#70](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/70) ([4bbcc33](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4bbcc334abb7cd6db2897fad0bda219d5ea73530))
* change the text in the inspector to make it more understandable. ([7ca0b6f](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7ca0b6fa34c1168ef103992e1c69b68631b3bc60)), closes [#66](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/66)
* editor crashes when mesh is set to null when ParticleSystem.RenderMode=Mesh ([e5ebadd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e5ebadd84731716f82c63ac5ba3eb676720e3ad6)), closes [#69](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/69)
* getting massive errors on editor ([ef82fa8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ef82fa82a69894e643f0d257f99eb9177785f697)), closes [#67](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/67)
* heavy editor UI ([d3b470a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/d3b470a2be3a21add9e126b357e46bdfaa6f16c8))
* remove a menu to add overlay camera ([f5d3b6e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f5d3b6edb5687c4d465992ef5c3c0d54f7b36d74))
* rotating the particle rect may cause out of bounds ([3439842](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3439842119f334b50910c0a983e561944cc792a2)), closes [#55](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/55)
* scale will be decrease on editor ([0c59846](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0c59846f11438b12caad04ae5d5b544a28883ea6))
* UI darker than normal when change to linear color space ([db4d8a7](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/db4d8a742ca36c8dd2de6936b9cf2912c72d4b9f)), closes [#57](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/57)
- When moving the transform in world simulation mode, particles don't behave as expected [\#37](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/37)
- On prefab edit mode, unnecessary UIParticleOverlayCamera is generated in the scene [\#35](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/35)
- With 'Screen Space - Camera' render mode, sorting is incorrect [\#34](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/34)
\* *This Changelog was automatically generated by [github_changelog_generator](https://github.com/github-changelog-generator/github-changelog-generator)*