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    <title>Mojang Studios Jira</title>
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    <language>en</language>    <build-info>
        <version>9.12.2</version>
        <build-number>9120002</build-number>
        <build-date>10-01-2024</build-date>
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<item>
            <title>[MC-2040] Lag in chunks with leaves - root.gameRenderer.level.updateChunks</title>
                <link>https://bugs.mojang.com/browse/MC-2040</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;I have noticed severe lag issues when in chunks with leaves. I play on Tiny/Fast because my graphics card is...lacking..., meaning all of the leaves are opaque, but every time a block is updated (redstone or a player placing/breaking blocks) the game freezes for 1/nth of a second. Constant block updates cause the framerate to drop to nearly zero. The game is fine when the updates are in chunks without leaves in them. The problematic area seems to be root.gameRenderer.level.updateChunks, meaning something is slow with leaves in chunk updates.&lt;/p&gt;</description>
                <environment>Windows 7&lt;br/&gt;
4GB RAM&lt;br/&gt;
~2.5GHz i3&lt;br/&gt;
Intel 2000 Graphics</environment>
        <key id="13431">MC-2040</key>
            <summary>Lag in chunks with leaves - root.gameRenderer.level.updateChunks</summary>
                <type id="1" iconUrl="https://bugs.mojang.com/secure/viewavatar?size=xsmall&amp;avatarId=18903&amp;avatarType=issuetype">Bug</type>
                                    <status id="5" iconUrl="https://bugs.mojang.com/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="7">Invalid</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="briman0094">Brian R.</reporter>
                        <labels>
                            <label>lag</label>
                    </labels>
                <created>Sat, 3 Nov 2012 05:39:33 +0100</created>
                <updated>Fri, 15 Mar 2013 03:34:42 +0100</updated>
                            <resolved>Fri, 15 Mar 2013 03:34:42 +0100</resolved>
                                    <version>Minecraft 1.4.2</version>
                                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                            <comments>
                            <comment id="53388" author="bljat" created="Fri, 15 Mar 2013 03:34:42 +0100"  >&lt;p&gt;No answer on querry, assuming no longer an issue.&lt;/p&gt;</comment>
                            <comment id="43626" author="bljat" created="Tue, 5 Feb 2013 02:26:27 +0100"  >&lt;p&gt;Is this still a concern in the current Minecraft version? If so, please update the affected versions in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.&lt;/p&gt;</comment>
                            <comment id="27696" author="nerdyboy6057" created="Tue, 11 Dec 2012 03:39:52 +0100"  >&lt;p&gt;This can be caused by the &apos;complexity&apos; of leaves. That is, leaves need to check for decay, check for biomes, schedule drops, and other things. This is noticed more when it is raining. Hence chunks with leaves tend to cause a performance spike.&lt;/p&gt;

&lt;p&gt;You could also avoid trees ;D&lt;/p&gt;</comment>
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