{
	"id": "172827",
	"key": "TIMOB-26700",
	"fields": {
		"issuetype": {
			"id": "4",
			"description": "An improvement or enhancement to an existing feature or task.",
			"name": "Improvement",
			"subtask": false
		},
		"project": {
			"id": "10153",
			"key": "TIMOB",
			"name": "Titanium SDK/CLI",
			"projectCategory": {
				"id": "10100",
				"description": "Titanium and related SDKs used in application development",
				"name": "Client"
			}
		},
		"fixVersions": [
			{
				"id": "19882",
				"name": "Release 8.0.0",
				"archived": false,
				"released": true,
				"releaseDate": "2019-03-14"
			}
		],
		"resolution": {
			"id": "1",
			"description": "A fix for this issue is checked into the tree and tested.",
			"name": "Fixed"
		},
		"resolutiondate": "2019-03-11T14:54:38.000+0000",
		"created": "2019-01-08T01:09:47.000+0000",
		"epic": {
			"id": 172826,
			"key": "TIMOB-26699",
			"name": "Windows Runtime Performance Improvement",
			"summary": "Windows: Runtime Performance Improvement",
			"color": {
				"key": "color_7"
			},
			"done": false
		},
		"priority": {
			"name": "High",
			"id": "2"
		},
		"labels": [],
		"versions": [
			{
				"id": "20238",
				"description": "",
				"name": "Release 7.5.0",
				"archived": false,
				"released": true,
				"releaseDate": "2018-11-15"
			}
		],
		"issuelinks": [
			{
				"id": "57177",
				"type": {
					"id": "10122",
					"name": "Gantt: start-finish",
					"inward": "is triggered by",
					"outward": "is triggering"
				},
				"outwardIssue": {
					"id": "173101",
					"key": "TIMOB-26886",
					"fields": {
						"summary": "Windows: Update module apiversion to 7",
						"status": {
							"description": "The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.",
							"name": "Closed",
							"id": "6",
							"statusCategory": {
								"id": 3,
								"key": "done",
								"colorName": "green",
								"name": "Done"
							}
						},
						"priority": {
							"name": "High",
							"id": "2"
						},
						"issuetype": {
							"id": "7",
							"description": "gh.issue.story.desc",
							"name": "Story",
							"subtask": false
						}
					}
				}
			},
			{
				"id": "57179",
				"type": {
					"id": "10122",
					"name": "Gantt: start-finish",
					"inward": "is triggered by",
					"outward": "is triggering"
				},
				"outwardIssue": {
					"id": "173103",
					"key": "TIMOB-26888",
					"fields": {
						"summary": "Windows: Update Hyperloop apiversion for 8.0.0.GA",
						"status": {
							"description": "The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.",
							"name": "Closed",
							"id": "6",
							"statusCategory": {
								"id": 3,
								"key": "done",
								"colorName": "green",
								"name": "Done"
							}
						},
						"priority": {
							"name": "High",
							"id": "2"
						},
						"issuetype": {
							"id": "7",
							"description": "gh.issue.story.desc",
							"name": "Story",
							"subtask": false
						}
					}
				}
			}
		],
		"assignee": {
			"name": "kiguchi",
			"key": "kota",
			"displayName": "Kota Iguchi",
			"active": false,
			"timeZone": "America/Los_Angeles"
		},
		"updated": "2019-03-11T14:54:38.000+0000",
		"status": {
			"description": "The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.",
			"name": "Closed",
			"id": "6",
			"statusCategory": {
				"id": 3,
				"key": "done",
				"colorName": "green",
				"name": "Done"
			}
		},
		"components": [
			{
				"id": "12642",
				"name": "Windows",
				"description": "Windows authoring support"
			}
		],
		"description": "Optimize UI rendering calls in our layout engine. ",
		"attachment": [],
		"flagged": false,
		"summary": "Windows: Optimize UI rendering calls",
		"creator": {
			"name": "kiguchi",
			"key": "kota",
			"displayName": "Kota Iguchi",
			"active": false,
			"timeZone": "America/Los_Angeles"
		},
		"subtasks": [],
		"reporter": {
			"name": "kiguchi",
			"key": "kota",
			"displayName": "Kota Iguchi",
			"active": false,
			"timeZone": "America/Los_Angeles"
		},
		"environment": null,
		"closedSprints": [
			{
				"id": 1106,
				"state": "closed",
				"name": "2019 Sprint 1",
				"startDate": "2018-12-31T19:39:58.070Z",
				"endDate": "2019-01-11T19:39:00.000Z",
				"completeDate": "2019-01-14T17:17:47.552Z",
				"originBoardId": 114
			},
			{
				"id": 1109,
				"state": "closed",
				"name": "2019 Sprint 3",
				"startDate": "2019-01-28T17:38:43.075Z",
				"endDate": "2019-02-09T17:38:00.000Z",
				"completeDate": "2019-02-08T21:37:29.498Z",
				"originBoardId": 114
			},
			{
				"id": 1118,
				"state": "closed",
				"name": "2019 Sprint 5",
				"startDate": "2019-02-24T18:36:06.435Z",
				"endDate": "2019-03-08T18:36:00.000Z",
				"completeDate": "2019-03-07T22:19:47.057Z",
				"originBoardId": 114
			},
			{
				"id": 1119,
				"state": "closed",
				"name": "2019 Sprint 6",
				"startDate": "2019-03-03T22:20:00.193Z",
				"endDate": "2019-03-15T22:20:00.000Z",
				"completeDate": "2019-03-18T17:26:43.120Z",
				"originBoardId": 114
			}
		],
		"comment": {
			"comments": [
				{
					"id": "445548",
					"author": {
						"name": "kiguchi",
						"key": "kota",
						"displayName": "Kota Iguchi",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"body": "https://github.com/appcelerator/titanium_mobile_windows/pull/1345\r\n\r\n{code:javascript}\r\nTi.Analytics.optedOut = true; // Just to make sure networking won't affect the test\r\n\r\nvar win = Ti.UI.createWindow({ backgroundColor: 'green' });\r\n\r\nwin.addEventListener('open', function () {\r\n    var start = +new Date();\r\n    for (var i = 0; i < 200; i++) {\r\n        win.add(Ti.UI.createLabel({\r\n            width: 200, height: 50, left: i * 10, top: i * 10, backgroundColor: '#0000FF', text: 'Hello, World'\r\n        }));\r\n    }\r\n\r\n    // setTimeout() effectively push tasks on UI thread.\r\n    // This can be useful when you need to see actual UI response time.\r\n    setTimeout(function () {\r\n        alert((+new Date() - start) + ' m seconds elapsed');\r\n    }, 0)\r\n});\r\n\r\nwin.open(); \r\n{code}\r\n\r\nLocally, I've got average 20% improvement when compared to 7.5.0.GA. I also saw that Jenkins runs unit tests faster than before by 4 mins (10 % faster) which is a good sign too.\r\n\r\n{code}\r\n## 7.5.0.GA\r\n1641 ms\r\n1625 ms\r\n1015 ms\r\n1203 ms\r\n1610 ms\r\n1609 ms\r\n1000 ms\r\n\r\n## TIMOB-26700\r\n1328 ms\r\n860 ms\r\n1344 ms\r\n1125 ms\r\n1406 ms\r\n1031 ms\r\n890 ms\r\n{code}\r\n",
					"updateAuthor": {
						"name": "kiguchi",
						"key": "kota",
						"displayName": "Kota Iguchi",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"created": "2019-01-23T08:18:55.000+0000",
					"updated": "2019-01-24T01:20:48.000+0000"
				},
				{
					"id": "446632",
					"author": {
						"name": "kiguchi",
						"key": "kota",
						"displayName": "Kota Iguchi",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"body": "master: https://github.com/appcelerator/titanium_mobile_windows/pull/1345\r\n8_0_X: https://github.com/appcelerator/titanium_mobile_windows/pull/1364\r\n",
					"updateAuthor": {
						"name": "kiguchi",
						"key": "kota",
						"displayName": "Kota Iguchi",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"created": "2019-03-08T01:58:03.000+0000",
					"updated": "2019-03-08T01:58:03.000+0000"
				},
				{
					"id": "446634",
					"author": {
						"name": "kiguchi",
						"key": "kota",
						"displayName": "Kota Iguchi",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"body": "Note that this will introduce major breaking change on binary compatibility on module interfaces which requires major version bump-up on module {{apiversion}}. _All modules needs to be recompiled based on new sdk._ TIMOB-26886 is taking care of {{apiversion}} in the sdk.",
					"updateAuthor": {
						"name": "kiguchi",
						"key": "kota",
						"displayName": "Kota Iguchi",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"created": "2019-03-08T02:28:12.000+0000",
					"updated": "2019-03-08T02:28:12.000+0000"
				},
				{
					"id": "446635",
					"author": {
						"name": "kiguchi",
						"key": "kota",
						"displayName": "Kota Iguchi",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"body": "So far I can see good results on most practical app from customer (aka PerformanceTestApp). I can see up to 37% less application startup time and 45% less UI rendering time.\r\n\r\n{code}\r\n7.5.0.GA\r\n\r\n[INFO]  Application startup in 1750 msec\r\n[WARN] [summary/contentView]  Total time to render UI:  2718\r\n\r\n8.0.x (with TIMOB-26700)\r\n[INFO]  Application startup in 1110 msec\r\n[WARN] [summary/contentView]  Total time to render UI:  1500\r\n{code}\r\n",
					"updateAuthor": {
						"name": "kiguchi",
						"key": "kota",
						"displayName": "Kota Iguchi",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"created": "2019-03-08T02:43:27.000+0000",
					"updated": "2019-03-08T02:43:47.000+0000"
				},
				{
					"id": "446650",
					"author": {
						"name": "kiguchi",
						"key": "kota",
						"displayName": "Kota Iguchi",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"body": "For additional note, I would strongly recommend consider disabling {{transpile}} flag in {{tiapp.xml}} when you concern runtime performance. We observed that enabling transpile slows down the app because it tend to add lots of files and operations in order to support ES6+.\r\n\r\n{code:xml} \r\n<transpile>false</transpile>\r\n{code}",
					"updateAuthor": {
						"name": "kiguchi",
						"key": "kota",
						"displayName": "Kota Iguchi",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"created": "2019-03-09T00:27:08.000+0000",
					"updated": "2019-03-09T00:27:08.000+0000"
				},
				{
					"id": "446651",
					"author": {
						"name": "kiguchi",
						"key": "kota",
						"displayName": "Kota Iguchi",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"body": "Merged.",
					"updateAuthor": {
						"name": "kiguchi",
						"key": "kota",
						"displayName": "Kota Iguchi",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"created": "2019-03-09T00:27:47.000+0000",
					"updated": "2019-03-09T00:27:47.000+0000"
				},
				{
					"id": "446719",
					"author": {
						"name": "jlongton",
						"key": "jlongton",
						"displayName": "Josh Longton",
						"active": true,
						"timeZone": "Europe/London"
					},
					"body": "*Verified as Fixed*\r\n\r\nThe fix is present in SDK\r\n\r\n{noformat}\r\n8.0.0.v20190308114556\r\n{noformat}\r\n\r\n*ENV*\r\n\r\n{noformat}\r\nNoka lumia 550 (Win 10) \r\nWs-emulator\r\nWindows 10 Pro: 1803\r\nAppc NPM: 4.2.13\r\nAppc CLI: 7.0.10-master.17\r\nTi CLI Ver: 5.1.1\r\nNode Ver: 8.9.1\r\nNPM Ver: 6.4.1\r\n{noformat}\r\n\r\n*Closing ticket*\r\n",
					"updateAuthor": {
						"name": "jlongton",
						"key": "jlongton",
						"displayName": "Josh Longton",
						"active": true,
						"timeZone": "Europe/London"
					},
					"created": "2019-03-11T14:54:19.000+0000",
					"updated": "2019-03-11T14:54:19.000+0000"
				}
			],
			"maxResults": 9,
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}